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@@ -170,7 +170,7 @@
         <span class="hljs-keyword">for</span> p, gp <span class="hljs-keyword">in</span> autograd.backward(loss):  <span class="hljs-comment"># auto backward</span>
             sgd.update(p, gp)
 </code></pre>
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             sgd.update(p, gp)
 </code></pre>
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 <p><strong>Disclaimer</strong></p>
 <p>Apache SINGA is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the name of Apache Incubator PMC. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p>
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/build"><span>Build SINGA from Source</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#verify">Verify</a></li><li><a href="#incubating-v200-20-april-2019">Incubating v2.0.0 (20 April 2019):</a></li><li><a href="#incubating-v120-6-june-2018">Incubating v1.2.0 (6 June 2018):</a></li><li><a href="#incubating-v110-12-february-2017">Incubating v1.1.0 (12 February 2017):</a></li><li><a href="#incubating-v100-8-september-2016">Incubating v1.0.0 (8 September 2016):</a></li><li><a href="#incubating-v030-20-april-2016">Incubating v0.3.0 (20 April 2016):</a></li><li><a href="#incubating-v020-14-january-2016">Incubating v0.2.0 (14 January 2016):</a></li><li><a href="#incubating-v010-8-october-2015">Incubating v0.1.0 (8 October 2015):</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 <p><strong>Disclaimer</strong></p>
 <p>Apache SINGA is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the name of Apache Incubator PMC. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p>
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/build"><span>Build SINGA from Source</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#verify">Verify</a></li><li><a href="#incubating-v200-20-april-2019">Incubating v2.0.0 (20 April 2019):</a></li><li><a href="#incubating-v120-6-june-2018">Incubating v1.2.0 (6 June 2018):</a></li><li><a href="#incubating-v110-12-february-2017">Incubating v1.1.0 (12 February 2017):</a></li><li><a href="#incubating-v100-8-september-2016">Incubating v1.0.0 (8 September 2016):</a></li><li><a href="#incubating-v030-20-april-2016">Incubating v0.3.0 (20 April 2016):</a></li><li><a href="#incubating-v020-14-january-2016">Incubating v0.2.0 (14 January 2016):</a></li><li><a href="#incubating-v010-8-october-2015">Incubating v0.1.0 (8 October 2015):</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/2.0.0/initializer/index.html b/content/docs/2.0.0/initializer/index.html
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 </span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
diff --git a/content/docs/2.0.0/install-win.html b/content/docs/2.0.0/install-win.html
index b7fa5a1..087e61c 100644
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+++ b/content/docs/2.0.0/install-win.html
@@ -4,7 +4,7 @@
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         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>The process of building SINGA from source on Microsoft Windows has four parts: install dependencies, build SINGA source, (optionally) install the python module and (optionally) run the unit tests.</p>
 <h2><a class="anchor" aria-hidden="true" id="install-dependencies"></a><a href="#install-dependencies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Install Dependencies</h2>
 <p>You may create a folder for building the dependencies.</p>
diff --git a/content/docs/2.0.0/install-win/index.html b/content/docs/2.0.0/install-win/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
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 <p>The process of building SINGA from source on Microsoft Windows has four parts: install dependencies, build SINGA source, (optionally) install the python module and (optionally) run the unit tests.</p>
 <h2><a class="anchor" aria-hidden="true" id="install-dependencies"></a><a href="#install-dependencies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Install Dependencies</h2>
 <p>You may create a folder for building the dependencies.</p>
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 <pre><code class="hljs css language-shell">python sample.py 'model.bin' 100 --seed '#include &lt;std'
 </code></pre>
 <p>Please replace 'model.bin' with the path to one of the checkpoint paths.</p>
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@@ -81,7 +81,7 @@
 <pre><code class="hljs css language-shell">python sample.py 'model.bin' 100 --seed '#include &lt;std'
 </code></pre>
 <p>Please replace 'model.bin' with the path to one of the checkpoint paths.</p>
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    Apache SINGA, Apache, the Apache feather logo, and
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@@ -107,7 +107,7 @@
 <p>The predict.py file's main function provides an example of using the pre-trained alexnet model to do prediction for new images. The 'model.bin' file generated by the training program should be placed at the cifar10 folder to run</p>
 <pre><code class="hljs css language-shell">python predict.py
 </code></pre>
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@@ -107,7 +107,7 @@
 <p>The predict.py file's main function provides an example of using the pre-trained alexnet model to do prediction for new images. The 'model.bin' file generated by the training program should be placed at the cifar10 folder to run</p>
 <pre><code class="hljs css language-shell">python predict.py
 </code></pre>
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@@ -108,7 +108,7 @@
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@@ -94,7 +94,7 @@
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-alexnet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Train AlexNet over ImageNet</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-googlenet"><span class="function-name-prevnext">Image Classification using GoogleNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download-one-parameter-checkpoint-file">Download one parameter checkpoint file</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit">Submit</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-alexnet"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-googlenet"><span>Next</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download-one-parameter-checkpoint-file">Download one parameter checkpoint file</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit">Submit</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -94,7 +94,7 @@
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-alexnet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Train AlexNet over ImageNet</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-googlenet"><span class="function-name-prevnext">Image Classification using GoogleNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download-one-parameter-checkpoint-file">Download one parameter checkpoint file</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit">Submit</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-alexnet"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-googlenet"><span>Next</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download-one-parameter-checkpoint-file">Download one parameter checkpoint file</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit">Submit</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -106,7 +106,7 @@
     pickle.dump(params, fd)
 </code></pre>
 <p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note that we added a EndPadding layer to resolve the issue from discrepancy of the rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor). Only the MaxPooling layers outside inception blocks have this problem. Refer to <a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a> for more detials.</p>
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     pickle.dump(params, fd)
 </code></pre>
 <p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note that we added a EndPadding layer to resolve the issue from discrepancy of the rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor). Only the MaxPooling layers outside inception blocks have this problem. Refer to <a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a> for more detials.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-densenet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Image Classification using DenseNet</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span>Image Classification using Inception V4</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-densenet"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span>Next</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -88,7 +88,7 @@
 <p>We first extract the parameter values from <a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a> into a pickle version. After downloading and decompressing the checkpoint file, run the following script</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py --file_name=inception_v4.ckpt</span>
 </code></pre>
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@@ -88,7 +88,7 @@
 <p>We first extract the parameter values from <a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a> into a pickle version. After downloading and decompressing the checkpoint file, run the following script</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py --file_name=inception_v4.ckpt</span>
 </code></pre>
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@@ -99,7 +99,7 @@
 <p>Usage:</p>
 <pre><code class="hljs">$ <span class="hljs-keyword">python</span> convert.<span class="hljs-keyword">py</span> -h
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Image Classification using Inception V4</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span>Image Classification using VGG</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span>Next</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/2.0.0/model-zoo-imagenet-resnet/index.html b/content/docs/2.0.0/model-zoo-imagenet-resnet/index.html
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@@ -99,7 +99,7 @@
 <p>Usage:</p>
 <pre><code class="hljs">$ <span class="hljs-keyword">python</span> convert.<span class="hljs-keyword">py</span> -h
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Image Classification using Inception V4</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span>Image Classification using VGG</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/2.0.0/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/2.0.0/model-zoo-imagenet-vgg"><span>Next</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -97,7 +97,7 @@
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
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@@ -97,7 +97,7 @@
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
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diff --git a/content/docs/2.0.0/model-zoo-rbm-mnist.html b/content/docs/2.0.0/model-zoo-rbm-mnist.html
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@@ -74,7 +74,7 @@
 <p>By default the training code would run on CPU. To run it on a GPU card, please start the program with an additional argument</p>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz --use_gpu
 </code></pre>
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index 98e39b2..e57ea31 100644
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@@ -74,7 +74,7 @@
 <p>By default the training code would run on CPU. To run it on a GPU card, please start the program with an additional argument</p>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz --use_gpu
 </code></pre>
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diff --git a/content/docs/2.0.0/onnx.html b/content/docs/2.0.0/onnx.html
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             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables an ability to transfer trained models between different deep learning frameworks. We have integrated the main functionality of ONNX into Singa, and several basic operators have been supported. More operators are being developing.</p>
 <h2><a class="anchor" aria-hidden="true" id="example-onnx-mnist-on-singa"></a><a href="#example-onnx-mnist-on-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example: ONNX mnist on singa</h2>
 <p>We will introduce the onnx of singa by using the mnist example. In this section, the examples of how to export, load, inference, re-training, and transfer-learning the minist model will be displayed.</p>
diff --git a/content/docs/2.0.0/onnx/index.html b/content/docs/2.0.0/onnx/index.html
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables an ability to transfer trained models between different deep learning frameworks. We have integrated the main functionality of ONNX into Singa, and several basic operators have been supported. More operators are being developing.</p>
 <h2><a class="anchor" aria-hidden="true" id="example-onnx-mnist-on-singa"></a><a href="#example-onnx-mnist-on-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example: ONNX mnist on singa</h2>
 <p>We will introduce the onnx of singa by using the mnist example. In this section, the examples of how to export, load, inference, re-training, and transfer-learning the minist model will be displayed.</p>
diff --git a/content/docs/2.0.0/optimizer.html b/content/docs/2.0.0/optimizer.html
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/optimizer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Optimizer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
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diff --git a/content/docs/2.0.0/optimizer/index.html b/content/docs/2.0.0/optimizer/index.html
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diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.1.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.1.0.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.1.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.1.0/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.2.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.2.0.html
index 335b478..e52a459 100644
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+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_0.2.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes the following <strong>major features</strong>:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.2.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.2.0/index.html
index 335b478..e52a459 100644
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@@ -4,7 +4,7 @@
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         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes the following <strong>major features</strong>:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0.html
index 18503b8..0503ea2 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0/index.html
index 18503b8..0503ea2 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0/index.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_0.3.0/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0.html
index 0ce1ca4..47d074f 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0/index.html
index 0ce1ca4..47d074f 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0/index.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.0.0/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets. It is designed with an intuitive programming model based on the layer abstraction. SINGA supports a wide variety of popular deep learning models.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0.html
index 3424ebc..b5b5229 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0/index.html
index 3424ebc..b5b5229 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0/index.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.1.0/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0.html
index 1a7dade..dbe7c10 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0/index.html
index 1a7dade..dbe7c10 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0/index.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_1.2.0/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0.html b/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0.html
index 17d575c..f8bbe9c 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
diff --git a/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0/index.html b/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0/index.html
index 17d575c..f8bbe9c 100644
--- a/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0/index.html
+++ b/content/docs/2.0.0/releases/RELEASE_NOTES_2.0.0/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep learning models over large datasets.</p>
 <p>This release includes following features:</p>
 <ul>
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@@ -85,11 +85,11 @@
 <h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
 <p>On top of the Tensor and Device abstractions, SINGA provides some higher level classes for machine learning modules.</p>
 <ul>
-<li><p><a href="/docs/2.0.0/layer">Layer</a> and its subclasses are specific for neural networks. Every layer provides functions for forward propagating features and backward propagating gradients w.r.t the training loss functions. They wraps the complex layer operations so that users can easily create neural nets by connecting a set of layers.</p></li>
-<li><p><a href="/docs/2.0.0/initializer">Initializer</a> and its subclasses provide variant methods of initializing model parameters (stored in Tensor instances), following Uniform, Gaussian, etc.</p></li>
-<li><p><a href="/docs/2.0.0/loss">Loss</a> and its subclasses defines the training objective loss functions. Both functions of computing the loss values and computing the gradient of the prediction w.r.t the objective loss are implemented. Example loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/2.0.0/metric">Metric</a> and its subclasses provide the function to measure the performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/2.0.0/optimizer">Optimizer</a> and its subclasses implement the methods for updating model parameter values using parameter gradients, including SGD, AdaGrad, RMSProp etc.</p></li>
+<li><p><a href="layer.md">Layer</a> and its subclasses are specific for neural networks. Every layer provides functions for forward propagating features and backward propagating gradients w.r.t the training loss functions. They wraps the complex layer operations so that users can easily create neural nets by connecting a set of layers.</p></li>
+<li><p><a href="initializer.md">Initializer</a> and its subclasses provide variant methods of initializing model parameters (stored in Tensor instances), following Uniform, Gaussian, etc.</p></li>
+<li><p><a href="loss.md">Loss</a> and its subclasses defines the training objective loss functions. Both functions of computing the loss values and computing the gradient of the prediction w.r.t the objective loss are implemented. Example loss functions include squared error and cross entropy.</p></li>
+<li><p><a href="metric.md">Metric</a> and its subclasses provide the function to measure the performance of the model, e.g., the accuracy.</p></li>
+<li><p><a href="optimizer.md">Optimizer</a> and its subclasses implement the methods for updating model parameter values using parameter gradients, including SGD, AdaGrad, RMSProp etc.</p></li>
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
 <p>The IO module consists of classes for data loading, data preprocessing and message passing.</p>
diff --git a/content/docs/2.0.0/software-stack/index.html b/content/docs/2.0.0/software-stack/index.html
index 41edebd..192070e 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class=""><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Getting Started</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/2.0.0/installation">Installation</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/2.0.0/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/2.0.0/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/autograd">Autograd in SINGA</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/2.0.0/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/how-to-release">How to Prepare a Release</a></li></ul></div></div></section></div><script>
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@@ -85,11 +85,11 @@
 <h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
 <p>On top of the Tensor and Device abstractions, SINGA provides some higher level classes for machine learning modules.</p>
 <ul>
-<li><p><a href="/docs/2.0.0/layer">Layer</a> and its subclasses are specific for neural networks. Every layer provides functions for forward propagating features and backward propagating gradients w.r.t the training loss functions. They wraps the complex layer operations so that users can easily create neural nets by connecting a set of layers.</p></li>
-<li><p><a href="/docs/2.0.0/initializer">Initializer</a> and its subclasses provide variant methods of initializing model parameters (stored in Tensor instances), following Uniform, Gaussian, etc.</p></li>
-<li><p><a href="/docs/2.0.0/loss">Loss</a> and its subclasses defines the training objective loss functions. Both functions of computing the loss values and computing the gradient of the prediction w.r.t the objective loss are implemented. Example loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/2.0.0/metric">Metric</a> and its subclasses provide the function to measure the performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/2.0.0/optimizer">Optimizer</a> and its subclasses implement the methods for updating model parameter values using parameter gradients, including SGD, AdaGrad, RMSProp etc.</p></li>
+<li><p><a href="layer.md">Layer</a> and its subclasses are specific for neural networks. Every layer provides functions for forward propagating features and backward propagating gradients w.r.t the training loss functions. They wraps the complex layer operations so that users can easily create neural nets by connecting a set of layers.</p></li>
+<li><p><a href="initializer.md">Initializer</a> and its subclasses provide variant methods of initializing model parameters (stored in Tensor instances), following Uniform, Gaussian, etc.</p></li>
+<li><p><a href="loss.md">Loss</a> and its subclasses defines the training objective loss functions. Both functions of computing the loss values and computing the gradient of the prediction w.r.t the objective loss are implemented. Example loss functions include squared error and cross entropy.</p></li>
+<li><p><a href="metric.md">Metric</a> and its subclasses provide the function to measure the performance of the model, e.g., the accuracy.</p></li>
+<li><p><a href="optimizer.md">Optimizer</a> and its subclasses implement the methods for updating model parameter values using parameter gradients, including SGD, AdaGrad, RMSProp etc.</p></li>
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
 <p>The IO module consists of classes for data loading, data preprocessing and message passing.</p>
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index 5db08be..cb48a05 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>2.0.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/2.0.0/installation" target="_self">Docs</a></li><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/2.0.0/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/2.0.0/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/2.0.0/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -168,7 +168,7 @@
 <p><em>work in progress</em></p>
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 <p><em>work in progress</em></p>
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 <p>There are two typical ways to implement autograd, via symbolic differentiation
 like <a href="http://deeplearning.net/software/theano/index.html">Theano</a> or reverse
 differentiation like
@@ -275,7 +275,7 @@
 <p>Refer
 <a href="https://singa.readthedocs.io/en/latest/docs/autograd.html#module-singa.autograd">here</a>
 for more details of Python API.</p>
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diff --git a/content/docs/autograd/index.html b/content/docs/autograd/index.html
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 <p>There are two typical ways to implement autograd, via symbolic differentiation
 like <a href="http://deeplearning.net/software/theano/index.html">Theano</a> or reverse
 differentiation like
@@ -275,7 +275,7 @@
 <p>Refer
 <a href="https://singa.readthedocs.io/en/latest/docs/autograd.html#module-singa.autograd">here</a>
 for more details of Python API.</p>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/benchmark-train.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Benchmark for Distributed Training</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>Workload: we use a deep convolutional neural network,
 <a href="https://github.com/apache/singa/blob/master/examples/autograd/resnet.py">ResNet-50</a>
 as the application. ResNet-50 is has 50 convolution layers for image
@@ -77,7 +21,7 @@
 the server.</p>
 <p><img src="/docs/assets/benchmark.png" alt="Benchmark Experiments"> <br/> <strong>Scalability test. Bars
 are for the throughput; lines are for the communication cost.</strong></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/benchmark-train/index.html b/content/docs/benchmark-train/index.html
index cfeda30..199ac5d 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/benchmark-train.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Benchmark for Distributed Training</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>Workload: we use a deep convolutional neural network,
 <a href="https://github.com/apache/singa/blob/master/examples/autograd/resnet.py">ResNet-50</a>
 as the application. ResNet-50 is has 50 convolution layers for image
@@ -77,7 +21,7 @@
 the server.</p>
 <p><img src="/docs/assets/benchmark.png" alt="Benchmark Experiments"> <br/> <strong>Scalability test. Bars
 are for the throughput; lines are for the communication cost.</strong></p>
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 to change the python interpreter, e.g., reset the $PATH to put the correct
 path of Python at the front position.</p></li>
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@@ -416,7 +416,7 @@
 to change the python interpreter, e.g., reset the $PATH to put the correct
 path of Python at the front position.</p></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/download-singa"><span class="arrow-prev">← </span><span>Download SINGA</span></a><a class="docs-next button" href="/docs/contribute-code"><span>How to Contribute Code</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#use-conda-to-build-singa">Use Conda to build SINGA</a><ul class="toc-headings"><li><a href="#build-cpu-version">Build CPU Version</a></li><li><a href="#build-gpu-version">Build GPU Version</a></li><li><a href="#post-processing">Post Processing</a></li></ul></li><li><a href="#use-native-tools-to-build-singa-on-ubuntu">Use native tools to build SINGA on Ubuntu</a></li><li><a href="#use-native-tools-to-build-singa-on-centos7">Use native tools to Build SINGA on Centos7</a><ul class="toc-headings"><li><a href="#installing-dependencies">Installing dependencies</a></li><li><a href="#installation">Installation</a></li><li><a href="#testing">Testing</a></li></ul></li><li><a href="#compile-singa-on-windows">Compile SINGA on Windows</a></li><li><a href="#more-details-about-the-compilation-options">More details about the compilation options</a><ul class="toc-headings"><li><a href="#use_modules-deprecated">USE_MODULES (deprecated)</a></li><li><a href="#use_python">USE_PYTHON</a></li><li><a href="#use_cuda">USE_CUDA</a></li><li><a href="#use_dnnl">USE_DNNL</a></li><li><a href="#use_opencl">USE_OPENCL</a></li><li><a href="#package">PACKAGE</a></li></ul></li><li><a href="#faq">FAQ</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/download-singa"><span class="arrow-prev">← </span><span>Download SINGA</span></a><a class="docs-next button" href="/docs/contribute-code"><span>How to Contribute Code</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#use-conda-to-build-singa">Use Conda to build SINGA</a><ul class="toc-headings"><li><a href="#build-cpu-version">Build CPU Version</a></li><li><a href="#build-gpu-version">Build GPU Version</a></li><li><a href="#post-processing">Post Processing</a></li></ul></li><li><a href="#use-native-tools-to-build-singa-on-ubuntu">Use native tools to build SINGA on Ubuntu</a></li><li><a href="#use-native-tools-to-build-singa-on-centos7">Use native tools to Build SINGA on Centos7</a><ul class="toc-headings"><li><a href="#installing-dependencies">Installing dependencies</a></li><li><a href="#installation">Installation</a></li><li><a href="#testing">Testing</a></li></ul></li><li><a href="#compile-singa-on-windows">Compile SINGA on Windows</a></li><li><a href="#more-details-about-the-compilation-options">More details about the compilation options</a><ul class="toc-headings"><li><a href="#use_modules-deprecated">USE_MODULES (deprecated)</a></li><li><a href="#use_python">USE_PYTHON</a></li><li><a href="#use_cuda">USE_CUDA</a></li><li><a href="#use_dnnl">USE_DNNL</a></li><li><a href="#use_opencl">USE_OPENCL</a></li><li><a href="#package">PACKAGE</a></li></ul></li><li><a href="#faq">FAQ</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/contribute-code.html b/content/docs/contribute-code.html
index dd6fac0..44adc63 100644
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@@ -149,7 +149,7 @@
 </code></pre>
 <h2><a class="anchor" aria-hidden="true" id="workflow"></a><a href="#workflow" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Workflow</h2>
 <p>Please refer to the <a href="./git-workflow">git workflow page</a>.</p>
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@@ -149,7 +149,7 @@
 </code></pre>
 <h2><a class="anchor" aria-hidden="true" id="workflow"></a><a href="#workflow" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Workflow</h2>
 <p>Please refer to the <a href="./git-workflow">git workflow page</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/build"><span class="arrow-prev">← </span><span>Build SINGA from Source</span></a><a class="docs-next button" href="/docs/contribute-docs"><span>How to Contribute to Documentation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#coding-style">Coding Style</a></li><li><a href="#developing-environment">Developing Environment</a></li><li><a href="#workflow">Workflow</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/build"><span class="arrow-prev">← </span><span>Build SINGA from Source</span></a><a class="docs-next button" href="/docs/contribute-docs"><span>How to Contribute to Documentation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#coding-style">Coding Style</a></li><li><a href="#developing-environment">Developing Environment</a></li><li><a href="#workflow">Workflow</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/contribute-docs.html b/content/docs/contribute-docs.html
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+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/contribute-code"><span class="arrow-prev">← </span><span>How to Contribute Code</span></a><a class="docs-next button" href="/docs/how-to-release"><span>How to Prepare a Release</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#markdown-files">Markdown Files</a></li><li><a href="#api-references">API References</a><ul class="toc-headings"><li><a href="#cpp-api">CPP API</a></li><li><a href="#python-api">Python API</a></li></ul></li><li><a href="#visual-studio-code-vscode">Visual Studio Code (vscode)</a><ul class="toc-headings"><li><a href="#docstring-snippet">Docstring Snippet</a></li><li><a href="#spell-check">Spell Check</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/device.html b/content/docs/device.html
index 3ce8a9c..d58d19c 100644
--- a/content/docs/device.html
+++ b/content/docs/device.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Guides</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd in SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Guides</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/examples">Examples</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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         </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/device.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Device</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
-<p>The Device abstract represents any hardware device with memory and compuation
-units. All <a href="/docs/tensor">Tensor operations</a> are scheduled by the resident device
+<p>The Device abstract represents a hardware device with memory and computing
+units. All <a href="./tensor">Tensor operations</a> are scheduled by the resident device
 for execution. Tensor memory is also managed by the device's memory manager.
 Therefore, optimization of memory and execution are implemented in the Device
 class.</p>
@@ -73,7 +73,7 @@
 <li>CppCPU for a CPU which runs Cpp code</li>
 <li>OpenclGPU for a GPU card which runs OpenCL code</li>
 </ol>
-<h2><a class="anchor" aria-hidden="true" id="python-api"></a><a href="#python-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python API</h2>
+<h2><a class="anchor" aria-hidden="true" id="example-usage"></a><a href="#example-usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Usage</h2>
 <p>The following code provides examples of creating devices:</p>
 <pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> singa <span class="hljs-keyword">import</span> device
 cuda = device.create_cuda_gpu_on(<span class="hljs-number">0</span>)  <span class="hljs-comment"># use GPU card of ID 0</span>
@@ -81,9 +81,7 @@
 ary1 = device.create_cuda_gpus(<span class="hljs-number">2</span>)  <span class="hljs-comment"># create 2 devices, starting from ID 0</span>
 ary2 = device.create_cuda_gpus([<span class="hljs-number">0</span>,<span class="hljs-number">2</span>])  <span class="hljs-comment"># create 2 devices on ID 0 and 2</span>
 </code></pre>
-<h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
-<p><em>work in progress</em></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/benchmark-train"><span class="arrow-prev">← </span><span>Benchmark for Distributed Training</span></a><a class="docs-next button" href="/docs/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/examples"><span class="arrow-prev">← </span><span>Examples</span></a><a class="docs-next button" href="/docs/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#example-usage">Example Usage</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/device/index.html b/content/docs/device/index.html
index 3ce8a9c..d58d19c 100644
--- a/content/docs/device/index.html
+++ b/content/docs/device/index.html
@@ -4,7 +4,7 @@
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         </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/device.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Device</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
-<p>The Device abstract represents any hardware device with memory and compuation
-units. All <a href="/docs/tensor">Tensor operations</a> are scheduled by the resident device
+<p>The Device abstract represents a hardware device with memory and computing
+units. All <a href="./tensor">Tensor operations</a> are scheduled by the resident device
 for execution. Tensor memory is also managed by the device's memory manager.
 Therefore, optimization of memory and execution are implemented in the Device
 class.</p>
@@ -73,7 +73,7 @@
 <li>CppCPU for a CPU which runs Cpp code</li>
 <li>OpenclGPU for a GPU card which runs OpenCL code</li>
 </ol>
-<h2><a class="anchor" aria-hidden="true" id="python-api"></a><a href="#python-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python API</h2>
+<h2><a class="anchor" aria-hidden="true" id="example-usage"></a><a href="#example-usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Usage</h2>
 <p>The following code provides examples of creating devices:</p>
 <pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> singa <span class="hljs-keyword">import</span> device
 cuda = device.create_cuda_gpu_on(<span class="hljs-number">0</span>)  <span class="hljs-comment"># use GPU card of ID 0</span>
@@ -81,9 +81,7 @@
 ary1 = device.create_cuda_gpus(<span class="hljs-number">2</span>)  <span class="hljs-comment"># create 2 devices, starting from ID 0</span>
 ary2 = device.create_cuda_gpus([<span class="hljs-number">0</span>,<span class="hljs-number">2</span>])  <span class="hljs-comment"># create 2 devices on ID 0 and 2</span>
 </code></pre>
-<h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
-<p><em>work in progress</em></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/benchmark-train"><span class="arrow-prev">← </span><span>Benchmark for Distributed Training</span></a><a class="docs-next button" href="/docs/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/examples"><span class="arrow-prev">← </span><span>Examples</span></a><a class="docs-next button" href="/docs/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#example-usage">Example Usage</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -75,16 +75,17 @@
 stochastic gradient descent algorithms (SGD).</p>
 <p>The all-reduce operation by NCCL can be used to reduce and synchronize the
 gradients from different GPUs. Let's consider the training with 4 GPUs as shown
-below. Once the gradients from the 4 GPUs are calculated, all-reduce will return the
-sum of the gradients over the GPUs and make it available on every GPU. Then the
-averaged gradients can be easily calculated.</p>
+below. Once the gradients from the 4 GPUs are calculated, all-reduce will return
+the sum of the gradients over the GPUs and make it available on every GPU. Then
+the averaged gradients can be easily calculated.</p>
 <p><img src="/docs/assets/AllReduce.png" alt="AllReduce.png"></p>
 <h2><a class="anchor" aria-hidden="true" id="usage"></a><a href="#usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Usage</h2>
-<p>SINGA implements a module called <code>DistOpt</code> for distributed training. It replaces
-the normal SGD optimizer for updating the model parameters. The following
-example illustrates the usage of <code>DistOpt</code> for training a CNN model over the
-MNIST dataset. The full example is available
-<a href="https://github.com/apache/singa/blob/master/examples/autograd/mnist_dist.py">here</a>.</p>
+<p>SINGA implements a module called <code>DistOpt</code> (a subclass of <code>Opt</code>) for distributed
+training. It wraps a normal SGD optimizer and calls <code>Communicator</code> for gradients
+synchronization. The following example illustrates the usage of <code>DistOpt</code> for
+training a CNN model over the MNIST dataset. The source code is available
+<a href="https://github.com/apache/singa/blob/master/examples/cnn/">here</a>, and there is
+a <a href="">Colab notebook</a> for it.</p>
 <h3><a class="anchor" aria-hidden="true" id="example-code"></a><a href="#example-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Code</h3>
 <ol>
 <li>Define the neural network model:</li>
@@ -123,12 +124,19 @@
 </code></pre>
 <p>Here are some explanations concerning some variables in the code:</p>
 <p>(i) <code>dev</code></p>
-<p>dev represents the <code>Device</code> instance, where to load data and run the CNN
-model.</p>
+<p>dev represents the <code>Device</code> instance, where to load data and run the CNN model.</p>
 <p>(ii)<code>local_rank</code></p>
-<p>Local rank represents the GPU number the current process is using in the same node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means that this process is using the first GPU, while <code>local_rank=1</code> means using the second GPU. Using MPI or multiprocess, you are able to run the same training script which is only different in the value of <code>local_rank</code>.</p>
+<p>Local rank represents the GPU number the current process is using in the same
+node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means
+that this process is using the first GPU, while <code>local_rank=1</code> means using the
+second GPU. Using MPI or multiprocess, you are able to run the same training
+script which is only different in the value of <code>local_rank</code>.</p>
 <p>(iii)<code>global_rank</code></p>
-<p>Rank in global represents the global rank considered all the processes in all the nodes you are using. Let's consider the case you have 3 nodes and each of the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
+<p>Rank in global represents the global rank considered all the processes in all
+the nodes you are using. Let's consider the case you have 3 nodes and each of
+the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at
+the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd
+node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
 <ol start="3">
 <li>Load and partition the training/validation data:</li>
 </ol>
@@ -161,7 +169,8 @@
 <span class="hljs-keyword">for</span> p, g <span class="hljs-keyword">in</span> autograd.backward(loss):
     synchronize(p, sgd)
 </code></pre>
-<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you are using for distributed training.</p>
+<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you
+are using for distributed training.</p>
 <ol start="5">
 <li>Run BackPropagation and distributed SGD</li>
 </ol>
@@ -208,13 +217,18 @@
 </code></pre>
 <p>Here are some explanations concerning the variables created above:</p>
 <p>(i) <code>nccl_id</code></p>
-<p>Note that we need to generate a NCCL ID here to be used for collective communication, and then pass it to all the processes.
-The NCCL ID is like a ticket, where only the processes with this ID can join the all-reduce operation.
-(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is broadcased by MPI in our code automatically)</p>
+<p>Note that we need to generate a NCCL ID here to be used for collective
+communication, and then pass it to all the processes. The NCCL ID is like a
+ticket, where only the processes with this ID can join the all-reduce operation.
+(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is
+broadcased by MPI in our code automatically)</p>
 <p>(ii) <code>world_size</code></p>
 <p>world_size is the number of GPUs you would like to use for training.</p>
 <p>(iii) <code>local_rank</code></p>
-<p>local_rank determine the local rank of the distributed training and which gpu is used in the process. In the code above, we used a for loop to run the train function where the argument local_rank iterates from 0 to world_size. In this case, different processes can use different GPUs for training.</p>
+<p>local_rank determine the local rank of the distributed training and which gpu is
+used in the process. In the code above, we used a for loop to run the train
+function where the argument local_rank iterates from 0 to world_size. In this
+case, different processes can use different GPUs for training.</p>
 <p>The arguments for creating the <code>DistOpt</code> instance should be updated as follows</p>
 <pre><code class="hljs css language-python">sgd = opt.DistOpt(sgd, nccl_id=nccl_id, local_rank=local_rank, world_size=world_size)
 </code></pre>
@@ -324,8 +338,8 @@
 <h3><a class="anchor" aria-hidden="true" id="partial-synchronization"></a><a href="#partial-synchronization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Partial Synchronization</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_partial_update(loss)
 </code></pre>
-<p>In each iteration, every rank do the local sgd update. Then, only a chunk
-of parameters are averaged for synchronization, which saves the communication cost.
+<p>In each iteration, every rank do the local sgd update. Then, only a chunk of
+parameters are averaged for synchronization, which saves the communication cost.
 The chunk size is configured when creating the <code>DistOpt</code> instance.</p>
 <h3><a class="anchor" aria-hidden="true" id="gradient-sparsification"></a><a href="#gradient-sparsification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Gradient Sparsification</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss)
@@ -333,34 +347,57 @@
 <p>It applies sparsification schemes to select a subset of gradients for
 all-reduce. There are two scheme:</p>
 <ul>
-<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total elements selected.</li>
+<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total
+elements selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">True</span>)
 </code></pre>
 <ul>
-<li>All gradients whose absolute value are larger than predefined threshold spars are selected.</li>
+<li>All gradients whose absolute value are larger than predefined threshold spars
+are selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">False</span>)
 </code></pre>
 <p>The hyper-parameters are configured when creating the <code>DistOpt</code> instance.</p>
 <h2><a class="anchor" aria-hidden="true" id="implementation"></a><a href="#implementation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Implementation</h2>
-<p>This section is mainly for developers who want to know how the code in distribute module is implemented.</p>
+<p>This section is mainly for developers who want to know how the code in
+distribute module is implemented.</p>
 <h3><a class="anchor" aria-hidden="true" id="c-interface-for-nccl-communicator"></a><a href="#c-interface-for-nccl-communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C interface for NCCL communicator</h3>
-<p>Firstly, the communication layer is written in C language <a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>. It applies the NCCL library for collective communication.</p>
-<p>There are two constructors for the communicator, one for MPI and another for multiprocess.</p>
+<p>Firstly, the communication layer is written in C language
+<a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>.
+It applies the NCCL library for collective communication.</p>
+<p>There are two constructors for the communicator, one for MPI and another for
+multiprocess.</p>
 <p>(i) Constructor using MPI</p>
-<p>The constructor first obtains the global rank and the world size first, and calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to every rank. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
+<p>The constructor first obtains the global rank and the world size first, and
+calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to
+every rank. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
 <p>(ii) Constructor using Python multiprocess</p>
-<p>The constructor first obtains the rank, the world size, and the NCCL ID from the input argument. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
-<p>After the initialization, it provides the all-reduce functionality to synchronize the model parameters or gradients. For instance, synch takes a input tensor and perform all-reduce through the NCCL routine. After we call synch, it is necessary to call wait function to wait for the all-reduce operation to be completed.</p>
+<p>The constructor first obtains the rank, the world size, and the NCCL ID from the
+input argument. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
+<p>After the initialization, it provides the all-reduce functionality to
+synchronize the model parameters or gradients. For instance, synch takes a input
+tensor and perform all-reduce through the NCCL routine. After we call synch, it
+is necessary to call wait function to wait for the all-reduce operation to be
+completed.</p>
 <h3><a class="anchor" aria-hidden="true" id="python-interface-for-distopt"></a><a href="#python-interface-for-distopt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python interface for DistOpt</h3>
-<p>Then, the python interface provide a <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class to wrap an <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a> object to perform distributed training based on MPI or multiprocessing. During the initialization, it creates a NCCL communicator object (from the C interface as methioned in the subsection above). Then, this communicator object is used for every all-reduce operations in DistOpt.</p>
-<p>In MPI or multiprocess, each process has an individual rank, which gives information of
-which GPU the individual process is using. The training data is partitioned, so that
-each process can evaluate the sub-gradient based on the partitioned training data.
-Once the sub-gradient is calculated on each processes, the overall stochastic gradient
-is obtained by all-reducing the sub-gradients evaluated by all processes.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/model-zoo-cnn-cifar10"><span>Train CNN over Cifar-10</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then, the python interface provide a
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class
+to wrap an
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a>
+object to perform distributed training based on MPI or multiprocessing. During
+the initialization, it creates a NCCL communicator object (from the C interface
+as mentioned in the subsection above). Then, this communicator object is used
+for every all-reduce operations in DistOpt.</p>
+<p>In MPI or multiprocess, each process has an individual rank, which gives
+information of which GPU the individual process is using. The training data is
+partitioned, so that each process can evaluate the sub-gradient based on the
+partitioned training data. Once the sub-gradient is calculated on each
+processes, the overall stochastic gradient is obtained by all-reducing the
+sub-gradients evaluated by all processes.</p>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/download-singa"><span>Download SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/dist-train/index.html b/content/docs/dist-train/index.html
index 9a12835..a65479c 100644
--- a/content/docs/dist-train/index.html
+++ b/content/docs/dist-train/index.html
@@ -4,7 +4,7 @@
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           )
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Guides</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd in SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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@@ -75,16 +75,17 @@
 stochastic gradient descent algorithms (SGD).</p>
 <p>The all-reduce operation by NCCL can be used to reduce and synchronize the
 gradients from different GPUs. Let's consider the training with 4 GPUs as shown
-below. Once the gradients from the 4 GPUs are calculated, all-reduce will return the
-sum of the gradients over the GPUs and make it available on every GPU. Then the
-averaged gradients can be easily calculated.</p>
+below. Once the gradients from the 4 GPUs are calculated, all-reduce will return
+the sum of the gradients over the GPUs and make it available on every GPU. Then
+the averaged gradients can be easily calculated.</p>
 <p><img src="/docs/assets/AllReduce.png" alt="AllReduce.png"></p>
 <h2><a class="anchor" aria-hidden="true" id="usage"></a><a href="#usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Usage</h2>
-<p>SINGA implements a module called <code>DistOpt</code> for distributed training. It replaces
-the normal SGD optimizer for updating the model parameters. The following
-example illustrates the usage of <code>DistOpt</code> for training a CNN model over the
-MNIST dataset. The full example is available
-<a href="https://github.com/apache/singa/blob/master/examples/autograd/mnist_dist.py">here</a>.</p>
+<p>SINGA implements a module called <code>DistOpt</code> (a subclass of <code>Opt</code>) for distributed
+training. It wraps a normal SGD optimizer and calls <code>Communicator</code> for gradients
+synchronization. The following example illustrates the usage of <code>DistOpt</code> for
+training a CNN model over the MNIST dataset. The source code is available
+<a href="https://github.com/apache/singa/blob/master/examples/cnn/">here</a>, and there is
+a <a href="">Colab notebook</a> for it.</p>
 <h3><a class="anchor" aria-hidden="true" id="example-code"></a><a href="#example-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Code</h3>
 <ol>
 <li>Define the neural network model:</li>
@@ -123,12 +124,19 @@
 </code></pre>
 <p>Here are some explanations concerning some variables in the code:</p>
 <p>(i) <code>dev</code></p>
-<p>dev represents the <code>Device</code> instance, where to load data and run the CNN
-model.</p>
+<p>dev represents the <code>Device</code> instance, where to load data and run the CNN model.</p>
 <p>(ii)<code>local_rank</code></p>
-<p>Local rank represents the GPU number the current process is using in the same node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means that this process is using the first GPU, while <code>local_rank=1</code> means using the second GPU. Using MPI or multiprocess, you are able to run the same training script which is only different in the value of <code>local_rank</code>.</p>
+<p>Local rank represents the GPU number the current process is using in the same
+node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means
+that this process is using the first GPU, while <code>local_rank=1</code> means using the
+second GPU. Using MPI or multiprocess, you are able to run the same training
+script which is only different in the value of <code>local_rank</code>.</p>
 <p>(iii)<code>global_rank</code></p>
-<p>Rank in global represents the global rank considered all the processes in all the nodes you are using. Let's consider the case you have 3 nodes and each of the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
+<p>Rank in global represents the global rank considered all the processes in all
+the nodes you are using. Let's consider the case you have 3 nodes and each of
+the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at
+the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd
+node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
 <ol start="3">
 <li>Load and partition the training/validation data:</li>
 </ol>
@@ -161,7 +169,8 @@
 <span class="hljs-keyword">for</span> p, g <span class="hljs-keyword">in</span> autograd.backward(loss):
     synchronize(p, sgd)
 </code></pre>
-<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you are using for distributed training.</p>
+<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you
+are using for distributed training.</p>
 <ol start="5">
 <li>Run BackPropagation and distributed SGD</li>
 </ol>
@@ -208,13 +217,18 @@
 </code></pre>
 <p>Here are some explanations concerning the variables created above:</p>
 <p>(i) <code>nccl_id</code></p>
-<p>Note that we need to generate a NCCL ID here to be used for collective communication, and then pass it to all the processes.
-The NCCL ID is like a ticket, where only the processes with this ID can join the all-reduce operation.
-(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is broadcased by MPI in our code automatically)</p>
+<p>Note that we need to generate a NCCL ID here to be used for collective
+communication, and then pass it to all the processes. The NCCL ID is like a
+ticket, where only the processes with this ID can join the all-reduce operation.
+(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is
+broadcased by MPI in our code automatically)</p>
 <p>(ii) <code>world_size</code></p>
 <p>world_size is the number of GPUs you would like to use for training.</p>
 <p>(iii) <code>local_rank</code></p>
-<p>local_rank determine the local rank of the distributed training and which gpu is used in the process. In the code above, we used a for loop to run the train function where the argument local_rank iterates from 0 to world_size. In this case, different processes can use different GPUs for training.</p>
+<p>local_rank determine the local rank of the distributed training and which gpu is
+used in the process. In the code above, we used a for loop to run the train
+function where the argument local_rank iterates from 0 to world_size. In this
+case, different processes can use different GPUs for training.</p>
 <p>The arguments for creating the <code>DistOpt</code> instance should be updated as follows</p>
 <pre><code class="hljs css language-python">sgd = opt.DistOpt(sgd, nccl_id=nccl_id, local_rank=local_rank, world_size=world_size)
 </code></pre>
@@ -324,8 +338,8 @@
 <h3><a class="anchor" aria-hidden="true" id="partial-synchronization"></a><a href="#partial-synchronization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Partial Synchronization</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_partial_update(loss)
 </code></pre>
-<p>In each iteration, every rank do the local sgd update. Then, only a chunk
-of parameters are averaged for synchronization, which saves the communication cost.
+<p>In each iteration, every rank do the local sgd update. Then, only a chunk of
+parameters are averaged for synchronization, which saves the communication cost.
 The chunk size is configured when creating the <code>DistOpt</code> instance.</p>
 <h3><a class="anchor" aria-hidden="true" id="gradient-sparsification"></a><a href="#gradient-sparsification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Gradient Sparsification</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss)
@@ -333,34 +347,57 @@
 <p>It applies sparsification schemes to select a subset of gradients for
 all-reduce. There are two scheme:</p>
 <ul>
-<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total elements selected.</li>
+<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total
+elements selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">True</span>)
 </code></pre>
 <ul>
-<li>All gradients whose absolute value are larger than predefined threshold spars are selected.</li>
+<li>All gradients whose absolute value are larger than predefined threshold spars
+are selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">False</span>)
 </code></pre>
 <p>The hyper-parameters are configured when creating the <code>DistOpt</code> instance.</p>
 <h2><a class="anchor" aria-hidden="true" id="implementation"></a><a href="#implementation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Implementation</h2>
-<p>This section is mainly for developers who want to know how the code in distribute module is implemented.</p>
+<p>This section is mainly for developers who want to know how the code in
+distribute module is implemented.</p>
 <h3><a class="anchor" aria-hidden="true" id="c-interface-for-nccl-communicator"></a><a href="#c-interface-for-nccl-communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C interface for NCCL communicator</h3>
-<p>Firstly, the communication layer is written in C language <a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>. It applies the NCCL library for collective communication.</p>
-<p>There are two constructors for the communicator, one for MPI and another for multiprocess.</p>
+<p>Firstly, the communication layer is written in C language
+<a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>.
+It applies the NCCL library for collective communication.</p>
+<p>There are two constructors for the communicator, one for MPI and another for
+multiprocess.</p>
 <p>(i) Constructor using MPI</p>
-<p>The constructor first obtains the global rank and the world size first, and calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to every rank. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
+<p>The constructor first obtains the global rank and the world size first, and
+calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to
+every rank. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
 <p>(ii) Constructor using Python multiprocess</p>
-<p>The constructor first obtains the rank, the world size, and the NCCL ID from the input argument. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
-<p>After the initialization, it provides the all-reduce functionality to synchronize the model parameters or gradients. For instance, synch takes a input tensor and perform all-reduce through the NCCL routine. After we call synch, it is necessary to call wait function to wait for the all-reduce operation to be completed.</p>
+<p>The constructor first obtains the rank, the world size, and the NCCL ID from the
+input argument. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
+<p>After the initialization, it provides the all-reduce functionality to
+synchronize the model parameters or gradients. For instance, synch takes a input
+tensor and perform all-reduce through the NCCL routine. After we call synch, it
+is necessary to call wait function to wait for the all-reduce operation to be
+completed.</p>
 <h3><a class="anchor" aria-hidden="true" id="python-interface-for-distopt"></a><a href="#python-interface-for-distopt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python interface for DistOpt</h3>
-<p>Then, the python interface provide a <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class to wrap an <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a> object to perform distributed training based on MPI or multiprocessing. During the initialization, it creates a NCCL communicator object (from the C interface as methioned in the subsection above). Then, this communicator object is used for every all-reduce operations in DistOpt.</p>
-<p>In MPI or multiprocess, each process has an individual rank, which gives information of
-which GPU the individual process is using. The training data is partitioned, so that
-each process can evaluate the sub-gradient based on the partitioned training data.
-Once the sub-gradient is calculated on each processes, the overall stochastic gradient
-is obtained by all-reducing the sub-gradients evaluated by all processes.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/model-zoo-cnn-cifar10"><span>Train CNN over Cifar-10</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then, the python interface provide a
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class
+to wrap an
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a>
+object to perform distributed training based on MPI or multiprocessing. During
+the initialization, it creates a NCCL communicator object (from the C interface
+as mentioned in the subsection above). Then, this communicator object is used
+for every all-reduce operations in DistOpt.</p>
+<p>In MPI or multiprocess, each process has an individual rank, which gives
+information of which GPU the individual process is using. The training data is
+partitioned, so that each process can evaluate the sub-gradient based on the
+partitioned training data. Once the sub-gradient is calculated on each
+processes, the overall stochastic gradient is obtained by all-reducing the
+sub-gradients evaluated by all processes.</p>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/download-singa"><span>Download SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
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diff --git a/content/docs/download-singa.html b/content/docs/download-singa.html
index d6f3a94..a4b836d 100644
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 stability of the code, it does indicate that the project has yet to be fully
 endorsed by the ASF.</p>
 </blockquote>
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 stability of the code, it does indicate that the project has yet to be fully
 endorsed by the ASF.</p>
 </blockquote>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-vgg"><span class="arrow-prev">← </span><span>Image Classification using VGG</span></a><a class="docs-next button" href="/docs/build"><span>Build SINGA from Source</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#verify">Verify</a></li><li><a href="#incubating-v200-20-april-2019">Incubating v2.0.0 (20 April 2019):</a></li><li><a href="#incubating-v120-6-june-2018">Incubating v1.2.0 (6 June 2018):</a></li><li><a href="#incubating-v110-12-february-2017">Incubating v1.1.0 (12 February 2017):</a></li><li><a href="#incubating-v100-8-september-2016">Incubating v1.0.0 (8 September 2016):</a></li><li><a href="#incubating-v030-20-april-2016">Incubating v0.3.0 (20 April 2016):</a></li><li><a href="#incubating-v020-14-january-2016">Incubating v0.2.0 (14 January 2016):</a></li><li><a href="#incubating-v010-8-october-2015">Incubating v0.1.0 (8 October 2015):</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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+<p>This page lists some example deep learning tasks using SINGA. The source code is
+maintained inside SINGA repo on
+<a href="https://github.com/apache/singa/tree/master/examples">Github</a>. For examples
+running on CPU or single GPU using SINGA Python APIs, they are also available on
+<a href="https://colab.research.google.com/">Google Colab</a>. You can run them directly on
+Google Cloud without setting up the environment locally. The link to each
+example is given below.</p>
+<h2><a class="anchor" aria-hidden="true" id="image-classification"></a><a href="#image-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Classification</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Simple CNN</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">Colab</a></td></tr>
+<tr><td>AlexNet</td><td>ImageNet</td><td><a href="">Cpp</a></td></tr>
+<tr><td>VGG</td><td>ImageNet</td><td><a href="">Cpp</a>, <a href="">Python</a>, <a href="https://colab.research.google.com/drive/14kxgRKtbjPCKKsDJVNi3AvTev81Gp_Ds">Colab</a></td></tr>
+<tr><td>XceptionNet</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="">Python</a></td></tr>
+<tr><td>ResNet</td><td>MNIST, CIFAR10, CIFAR100, CIFAR10</td><td><a href="">Python</a>, <a href="https://colab.research.google.com/drive/1u1RYefSsVbiP4I-5wiBKHjsT9L0FxLm9">Colab</a></td></tr>
+<tr><td>MobileNet</td><td>ImageNet</td><td><a href="https://colab.research.google.com/drive/1HsixqJMIpKyEPhkbB8jy7NwNEFEAUWAf">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="object-detection"></a><a href="#object-detection" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Object Detection</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Tiny YOLOv2</td><td>Pascal VOC</td><td><a href="https://colab.research.google.com/drive/11V4I6cRjIJNUv5ZGsEGwqHuoQEie6b1T">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="face-and-emotion-recognition"></a><a href="#face-and-emotion-recognition" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Face and Emotion Recognition</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>ArcFace</td><td>Refined MS-Celeb-1M</td><td><a href="https://colab.research.google.com/drive/1qanaqUKGIDtifdzEzJOHjEj4kYzA9uJC">Colab</a></td></tr>
+<tr><td>Emotion FerPlus</td><td><a href="https://www.kaggle.com/c/challenges-in-representation-learning-facial-expression-recognition-challenge/data">Facial Expression Recognition Challenge</a></td><td><a href="https://colab.research.google.com/drive/1XHtBQGRhe58PDi4LGYJzYueWBeWbO23r">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="image-generation"></a><a href="#image-generation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Generation</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>GAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1f86MNDW47DJqHoIqWD1tOxcyx2MWys8L">Colab</a></td></tr>
+<tr><td>LSGAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1C6jNRf28vnFOI9JVM4lpkJPqxsnhxdol">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="machine-comprehension"></a><a href="#machine-comprehension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Machine Comprehension</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Bert-Squad</td><td><a href="https://rajpurkar.github.io/SQuAD-explorer/explore/1.1/dev/">SQuAD v1.1</a></td><td><a href="https://colab.research.google.com/drive/1kud-lUPjS_u-TkDAzihBTw0Vqr0FjCE-">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="misc"></a><a href="#misc" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Misc.</h2>
+<ul>
+<li>Restricted Boltzmann Machine over the MNIST dataset, <a href="">source</a>,
+<a href="https://colab.research.google.com/drive/19996noGu9JyHHkVmp4edBGu7PJSRQKsd">Colab</a>.</li>
+</ul>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-and-emotion-recognition">Face and Emotion Recognition</a></li><li><a href="#image-generation">Image Generation</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li><li><a href="#misc">Misc.</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+   The Apache Software Foundation. All rights reserved.
+   Apache SINGA, Apache, the Apache feather logo, and
+   the Apache SINGA project logos are trademarks of The
+   Apache Software Foundation. All other marks mentioned
+   may be trademarks or registered trademarks of their
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Examples · Apache SINGA</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="&lt;!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  --&gt;"/><meta name="docsearch:version" content="3.0.0.rc1"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Examples · Apache SINGA"/><meta property="og:type" content="website"/><meta property="og:url" content="https://feynmandna.github.io/"/><meta property="og:description" content="&lt;!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  --&gt;"/><meta property="og:image" content="https://feynmandna.github.io/img/singa_twitter_banner.jpeg"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://feynmandna.github.io/img/singa_twitter_banner.jpeg"/><link rel="shortcut icon" href="/img/favicon.ico"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://feynmandna.github.io/blog/atom.xml" title="Apache SINGA Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://feynmandna.github.io/blog/feed.xml" title="Apache SINGA Blog RSS Feed"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script src="https://unpkg.com/vanilla-back-to-top@7.1.14/dist/vanilla-back-to-top.min.js"></script><script>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Getting Started</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/examples">Examples</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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+<p>This page lists some example deep learning tasks using SINGA. The source code is
+maintained inside SINGA repo on
+<a href="https://github.com/apache/singa/tree/master/examples">Github</a>. For examples
+running on CPU or single GPU using SINGA Python APIs, they are also available on
+<a href="https://colab.research.google.com/">Google Colab</a>. You can run them directly on
+Google Cloud without setting up the environment locally. The link to each
+example is given below.</p>
+<h2><a class="anchor" aria-hidden="true" id="image-classification"></a><a href="#image-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Classification</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Simple CNN</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">Colab</a></td></tr>
+<tr><td>AlexNet</td><td>ImageNet</td><td><a href="">Cpp</a></td></tr>
+<tr><td>VGG</td><td>ImageNet</td><td><a href="">Cpp</a>, <a href="">Python</a>, <a href="https://colab.research.google.com/drive/14kxgRKtbjPCKKsDJVNi3AvTev81Gp_Ds">Colab</a></td></tr>
+<tr><td>XceptionNet</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="">Python</a></td></tr>
+<tr><td>ResNet</td><td>MNIST, CIFAR10, CIFAR100, CIFAR10</td><td><a href="">Python</a>, <a href="https://colab.research.google.com/drive/1u1RYefSsVbiP4I-5wiBKHjsT9L0FxLm9">Colab</a></td></tr>
+<tr><td>MobileNet</td><td>ImageNet</td><td><a href="https://colab.research.google.com/drive/1HsixqJMIpKyEPhkbB8jy7NwNEFEAUWAf">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="object-detection"></a><a href="#object-detection" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Object Detection</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Tiny YOLOv2</td><td>Pascal VOC</td><td><a href="https://colab.research.google.com/drive/11V4I6cRjIJNUv5ZGsEGwqHuoQEie6b1T">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="face-and-emotion-recognition"></a><a href="#face-and-emotion-recognition" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Face and Emotion Recognition</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>ArcFace</td><td>Refined MS-Celeb-1M</td><td><a href="https://colab.research.google.com/drive/1qanaqUKGIDtifdzEzJOHjEj4kYzA9uJC">Colab</a></td></tr>
+<tr><td>Emotion FerPlus</td><td><a href="https://www.kaggle.com/c/challenges-in-representation-learning-facial-expression-recognition-challenge/data">Facial Expression Recognition Challenge</a></td><td><a href="https://colab.research.google.com/drive/1XHtBQGRhe58PDi4LGYJzYueWBeWbO23r">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="image-generation"></a><a href="#image-generation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Generation</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>GAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1f86MNDW47DJqHoIqWD1tOxcyx2MWys8L">Colab</a></td></tr>
+<tr><td>LSGAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1C6jNRf28vnFOI9JVM4lpkJPqxsnhxdol">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="machine-comprehension"></a><a href="#machine-comprehension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Machine Comprehension</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Bert-Squad</td><td><a href="https://rajpurkar.github.io/SQuAD-explorer/explore/1.1/dev/">SQuAD v1.1</a></td><td><a href="https://colab.research.google.com/drive/1kud-lUPjS_u-TkDAzihBTw0Vqr0FjCE-">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="misc"></a><a href="#misc" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Misc.</h2>
+<ul>
+<li>Restricted Boltzmann Machine over the MNIST dataset, <a href="">source</a>,
+<a href="https://colab.research.google.com/drive/19996noGu9JyHHkVmp4edBGu7PJSRQKsd">Colab</a>.</li>
+</ul>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-and-emotion-recognition">Face and Emotion Recognition</a></li><li><a href="#image-generation">Image Generation</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li><li><a href="#misc">Misc.</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+   The Apache Software Foundation. All rights reserved.
+   Apache SINGA, Apache, the Apache feather logo, and
+   the Apache SINGA project logos are trademarks of The
+   Apache Software Foundation. All other marks mentioned
+   may be trademarks or registered trademarks of their
+   respective owners.</section></div></footer></div><script>window.twttr=(function(d,s, id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src='https://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js, fjs);t._e = [];t.ready = function(f) {t._e.push(f);};return t;}(document, 'script', 'twitter-wjs'));</script></body></html>
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@@ -162,7 +162,7 @@
 </code></pre>
 <p>Do not use rebase to merge the PR; and disable fast forward.</p></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/how-to-release"><span class="arrow-prev">← </span><span>How to Prepare a Release</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#for-developers">For Developers</a></li><li><a href="#for-committers">For Committers</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/how-to-release"><span class="arrow-prev">← </span><span>How to Prepare a Release</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#for-developers">For Developers</a></li><li><a href="#for-committers">For Committers</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/git-workflow/index.html b/content/docs/git-workflow/index.html
index 322f516..d012efc 100644
--- a/content/docs/git-workflow/index.html
+++ b/content/docs/git-workflow/index.html
@@ -4,7 +4,7 @@
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           )
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Development</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd in SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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@@ -162,7 +162,7 @@
 </code></pre>
 <p>Do not use rebase to merge the PR; and disable fast forward.</p></li>
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index d7c356f..14aef21 100644
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@@ -61,10 +61,10 @@
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         </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/graph.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Computational Graph</h1></header><article><div><span><!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License. -->
-<p>SINGA supports buffering operations and computational graph. Using computational
-graph, SINGA can schedule the execution of operations as well as the memory
-allocation and release. It makes training more efficient while using less
-memory.</p>
+<p>SINGA can buffering operations to create a computational graph (CG). With the
+computational graph, SINGA can schedule the execution of operations as well as
+the memory allocation and release. It makes training more efficient while using
+less memory.</p>
 <h2><a class="anchor" aria-hidden="true" id="about-computational-graph"></a><a href="#about-computational-graph" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>About Computational Graph</h2>
 <h3><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Introduction</h3>
 <p>Computational graph is used to represent networks of the flow of computation. It
@@ -82,7 +82,7 @@
 the program into intermediate code, then optimize the intermediate code and
 finally come up with many ways to efficiently execute the code. In neural
 networks, the intermediate code is the calculation graph. We can optimize
-through techniques like common subexpression elimination. When the computer
+through techniques like common sub-expression elimination. When the computer
 executes the compiled binary file, it can be efficiently executed by using
 multi-thread technology, and the same as the execution of the calculation graph.
 Therefore, some ideas of compilation principles can also be used in the
@@ -114,7 +114,7 @@
 <p><img src="/docs/assets/GraphOfMLP.png" alt="The computational graph of MLP"></p>
 <p><br/><strong>Figure 2 - The computational graph of MLP</strong></p>
 <h2><a class="anchor" aria-hidden="true" id="features"></a><a href="#features" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Features</h2>
-<p>There are four main features of computational graph in SINGA, namely (i)
+<p>There are four main components of a computational graph in SINGA, namely (i)
 Computational graph construction, (ii) Lazy allocation, (iii) Automatic
 recycling, (iv) Shared memory. Details are as follows:</p>
 <ul>
@@ -134,7 +134,7 @@
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="how-to-use"></a><a href="#how-to-use" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>How to use</h2>
 <ul>
-<li>An example of CNN:</li>
+<li>A CNN example.</li>
 </ul>
 <pre><code class="hljs css language-Python">
 <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CNN</span><span class="hljs-params">(module.Module)</span>:</span>
@@ -191,6 +191,8 @@
     loss = model.loss(out, ty)
     model.optim(loss)
 </code></pre>
+<p>A Google Colab notebook of this example is available
+<a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">here</a>.</p>
 <ul>
 <li>Some settings:
 <a href="https://github.com/apache/singa/blob/master/python/singa/module.py">module.py</a>
@@ -621,7 +623,7 @@
   <span class="hljs-keyword">return</span> dx;
 }
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/autograd"><span class="arrow-prev">← </span><span>Autograd in SINGA</span></a><a class="docs-next button" href="/docs/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/autograd"><span class="arrow-prev">← </span><span>Autograd</span></a><a class="docs-next button" href="/docs/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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index d7c356f..14aef21 100644
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         </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/graph.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Computational Graph</h1></header><article><div><span><!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License. -->
-<p>SINGA supports buffering operations and computational graph. Using computational
-graph, SINGA can schedule the execution of operations as well as the memory
-allocation and release. It makes training more efficient while using less
-memory.</p>
+<p>SINGA can buffering operations to create a computational graph (CG). With the
+computational graph, SINGA can schedule the execution of operations as well as
+the memory allocation and release. It makes training more efficient while using
+less memory.</p>
 <h2><a class="anchor" aria-hidden="true" id="about-computational-graph"></a><a href="#about-computational-graph" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>About Computational Graph</h2>
 <h3><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Introduction</h3>
 <p>Computational graph is used to represent networks of the flow of computation. It
@@ -82,7 +82,7 @@
 the program into intermediate code, then optimize the intermediate code and
 finally come up with many ways to efficiently execute the code. In neural
 networks, the intermediate code is the calculation graph. We can optimize
-through techniques like common subexpression elimination. When the computer
+through techniques like common sub-expression elimination. When the computer
 executes the compiled binary file, it can be efficiently executed by using
 multi-thread technology, and the same as the execution of the calculation graph.
 Therefore, some ideas of compilation principles can also be used in the
@@ -114,7 +114,7 @@
 <p><img src="/docs/assets/GraphOfMLP.png" alt="The computational graph of MLP"></p>
 <p><br/><strong>Figure 2 - The computational graph of MLP</strong></p>
 <h2><a class="anchor" aria-hidden="true" id="features"></a><a href="#features" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Features</h2>
-<p>There are four main features of computational graph in SINGA, namely (i)
+<p>There are four main components of a computational graph in SINGA, namely (i)
 Computational graph construction, (ii) Lazy allocation, (iii) Automatic
 recycling, (iv) Shared memory. Details are as follows:</p>
 <ul>
@@ -134,7 +134,7 @@
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="how-to-use"></a><a href="#how-to-use" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>How to use</h2>
 <ul>
-<li>An example of CNN:</li>
+<li>A CNN example.</li>
 </ul>
 <pre><code class="hljs css language-Python">
 <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CNN</span><span class="hljs-params">(module.Module)</span>:</span>
@@ -191,6 +191,8 @@
     loss = model.loss(out, ty)
     model.optim(loss)
 </code></pre>
+<p>A Google Colab notebook of this example is available
+<a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">here</a>.</p>
 <ul>
 <li>Some settings:
 <a href="https://github.com/apache/singa/blob/master/python/singa/module.py">module.py</a>
@@ -621,7 +623,7 @@
   <span class="hljs-keyword">return</span> dx;
 }
 </code></pre>
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 <p>SINGA is released under
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-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/team-list"><span class="arrow-prev">← </span><span>The SINGA Team</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#history">History</a></li><li><a href="#license">License</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/team-list"><span class="arrow-prev">← </span><span>The SINGA Team</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#history">History</a></li><li><a href="#license">License</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/how-to-release.html b/content/docs/how-to-release.html
index 58411e9..9d29171 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Development</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd in SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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@@ -182,7 +182,7 @@
 On behalf of the SINGA team, {SINGA Team Member Name}
 </code></pre></li>
 </ol>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/contribute-docs"><span class="arrow-prev">← </span><span>How to Contribute to Documentation</span></a><a class="docs-next button" href="/docs/git-workflow"><span>Git Workflow</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/contribute-docs"><span class="arrow-prev">← </span><span>How to Contribute to Documentation</span></a><a class="docs-next button" href="/docs/git-workflow"><span>Git Workflow</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
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diff --git a/content/docs/how-to-release/index.html b/content/docs/how-to-release/index.html
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 <h2><a class="anchor" aria-hidden="true" id="python-api"></a><a href="#python-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python API</h2>
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 </span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
diff --git a/content/docs/install-win.html b/content/docs/install-win.html
index cf24676..d22f0f6 100644
--- a/content/docs/install-win.html
+++ b/content/docs/install-win.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>The process of building SINGA from source on Microsoft Windows has four parts:
 install dependencies, build SINGA source, (optionally) install the python module
 and (optionally) run the unit tests.</p>
@@ -339,7 +339,7 @@
 </ul>
 <p>A video tutorial for running the unit tests can be found here:</p>
 <p><a href="https://www.youtube.com/watch?v=YOjwtrvTPn4"><img src="https://img.youtube.com/vi/YOjwtrvTPn4/0.jpg" alt="youtube video"></a></p>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#install-dependencies">Install Dependencies</a></li><li><a href="#build-singa-source">Build SINGA source</a></li><li><a href="#install-python-module">Install Python module</a></li><li><a href="#run-unit-tests">Run Unit Tests</a></li><li><a href="#build-gpu-support-with-cuda">Build GPU support with CUDA</a><ul class="toc-headings"><li><a href="#install-dependencies-1">Install Dependencies</a></li><li><a href="#build-singa-source-1">Build SINGA source</a></li><li><a href="#install-python-module-1">Install Python module</a></li><li><a href="#run-unit-tests-1">Run Unit Tests</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#install-dependencies">Install Dependencies</a></li><li><a href="#build-singa-source">Build SINGA source</a></li><li><a href="#install-python-module">Install Python module</a></li><li><a href="#run-unit-tests">Run Unit Tests</a></li><li><a href="#build-gpu-support-with-cuda">Build GPU support with CUDA</a><ul class="toc-headings"><li><a href="#install-dependencies-1">Install Dependencies</a></li><li><a href="#build-singa-source-1">Build SINGA source</a></li><li><a href="#install-python-module-1">Install Python module</a></li><li><a href="#run-unit-tests-1">Run Unit Tests</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/install-win/index.html b/content/docs/install-win/index.html
index cf24676..d22f0f6 100644
--- a/content/docs/install-win/index.html
+++ b/content/docs/install-win/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>The process of building SINGA from source on Microsoft Windows has four parts:
 install dependencies, build SINGA source, (optionally) install the python module
 and (optionally) run the unit tests.</p>
@@ -339,7 +339,7 @@
 </ul>
 <p>A video tutorial for running the unit tests can be found here:</p>
 <p><a href="https://www.youtube.com/watch?v=YOjwtrvTPn4"><img src="https://img.youtube.com/vi/YOjwtrvTPn4/0.jpg" alt="youtube video"></a></p>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#install-dependencies">Install Dependencies</a></li><li><a href="#build-singa-source">Build SINGA source</a></li><li><a href="#install-python-module">Install Python module</a></li><li><a href="#run-unit-tests">Run Unit Tests</a></li><li><a href="#build-gpu-support-with-cuda">Build GPU support with CUDA</a><ul class="toc-headings"><li><a href="#install-dependencies-1">Install Dependencies</a></li><li><a href="#build-singa-source-1">Build SINGA source</a></li><li><a href="#install-python-module-1">Install Python module</a></li><li><a href="#run-unit-tests-1">Run Unit Tests</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 via <code>otool -L &lt;path to _singa_wrap.so&gt;</code>. This problem should be resolved if
 SINGA is installation via conda.</p></li>
 </ul>
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+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/software-stack"><span>Software Stack</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#from-conda">From Conda</a></li><li><a href="#using-docker">Using Docker</a></li><li><a href="#from-source">From source</a></li><li><a href="#faq">FAQ</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Getting Started</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/benchmark-train">Benchmark for Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd in SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Model Zoo</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/model-zoo-cnn-cifar10">Train CNN over Cifar-10</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-char-rnn">Train Char-RNN over plain text</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-rbm-mnist">Train a RBM model against MNIST dataset</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-alexnet">Train AlexNet over ImageNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-densenet">Image Classification using DenseNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-googlenet">Image Classification using GoogleNet</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-inception">Image Classification using Inception V4</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-resnet">Image Classification using Residual Networks</a></li><li class="navListItem"><a class="navItem" href="/docs/model-zoo-imagenet-vgg">Image Classification using VGG</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Getting Started</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/examples">Examples</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/autograd">Autograd</a></li><li class="navListItem"><a class="navItem" href="/docs/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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@@ -171,7 +171,7 @@
 via <code>otool -L &lt;path to _singa_wrap.so&gt;</code>. This problem should be resolved if
 SINGA is installation via conda.</p></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/software-stack"><span>Software Stack</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#from-conda">From Conda</a></li><li><a href="#using-docker">Using Docker</a></li><li><a href="#from-source">From source</a></li><li><a href="#faq">FAQ</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/software-stack"><span>Software Stack</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#from-conda">From Conda</a></li><li><a href="#using-docker">Using Docker</a></li><li><a href="#from-source">From source</a></li><li><a href="#faq">FAQ</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/issue-tracking.html b/content/docs/issue-tracking.html
index 9fe93e4..c4ee81d 100644
--- a/content/docs/issue-tracking.html
+++ b/content/docs/issue-tracking.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -64,7 +64,7 @@
 <p>SINGA used <a href="https://issues.apache.org/jira/browse/singa">JIRA</a> to manage issues
 including bugs, new features and discussions.</p>
 <p>We are now moving to <a href="https://github.com/apache/singa/issues">Github Issues</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/mail-lists"><span class="arrow-prev">← </span><span>Project Mailing Lists</span></a><a class="docs-next button" href="/docs/security"><span>Security</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/mail-lists"><span class="arrow-prev">← </span><span>Project Mailing Lists</span></a><a class="docs-next button" href="/docs/security"><span>Security</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/issue-tracking/index.html b/content/docs/issue-tracking/index.html
index 9fe93e4..c4ee81d 100644
--- a/content/docs/issue-tracking/index.html
+++ b/content/docs/issue-tracking/index.html
@@ -4,7 +4,7 @@
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -64,7 +64,7 @@
 <p>SINGA used <a href="https://issues.apache.org/jira/browse/singa">JIRA</a> to manage issues
 including bugs, new features and discussions.</p>
 <p>We are now moving to <a href="https://github.com/apache/singa/issues">Github Issues</a>.</p>
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+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/mail-lists"><span class="arrow-prev">← </span><span>Project Mailing Lists</span></a><a class="docs-next button" href="/docs/security"><span>Security</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/layer.html b/content/docs/layer.html
index 31cc011..a464cd9 100644
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         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/layer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Layer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/layer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Layer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
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 <h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
 </span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
diff --git a/content/docs/layer/index.html b/content/docs/layer/index.html
index 31cc011..a464cd9 100644
--- a/content/docs/layer/index.html
+++ b/content/docs/layer/index.html
@@ -4,7 +4,7 @@
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         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/layer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Layer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/layer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Layer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
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@@ -73,7 +73,7 @@
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 </tbody>
 </table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/source-repository"><span class="arrow-prev">← </span><span>Source Repository</span></a><a class="docs-next button" href="/docs/issue-tracking"><span>Issue Tracking</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -73,7 +73,7 @@
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 </tbody>
 </table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/source-repository"><span class="arrow-prev">← </span><span>Source Repository</span></a><a class="docs-next button" href="/docs/issue-tracking"><span>Issue Tracking</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/source-repository"><span class="arrow-prev">← </span><span>Source Repository</span></a><a class="docs-next button" href="/docs/issue-tracking"><span>Issue Tracking</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/metric.html b/content/docs/metric.html
index eea6c27..0df4d9a 100644
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-<p>Recurrent neural networks (RNN) are widely used for modelling sequential data,
-e.g., natural language sentences. This example describes how to implement a RNN
-application (or model) using SINGA's RNN layers. We will use the
-<a href="https://github.com/karpathy/char-rnn">char-rnn</a> model as an example, which
-trains over sentences or source code, with each character as an input unit.
-Particularly, we will train a RNN using GRU over Linux kernel source code. After
-training, we expect to generate meaningful code from the model.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-char-rnn.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train Char-RNN over plain text</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Recurrent neural networks (RNN) are widely used for modelling sequential data, e.g., natural language sentences. This example describes how to implement a RNN application (or model) using SINGA's RNN layers. We will use the <a href="https://github.com/karpathy/char-rnn">char-rnn</a> model as an example, which trains over sentences or source code, with each character as an input unit. Particularly, we will train a RNN using GRU over Linux kernel source code. After training, we expect to generate meaningful code from the model.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="compile-and-install-singa"></a><a href="#compile-and-install-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Compile and install SINGA.</h3>
 <p>Currently the RNN implementation depends on Cudnn with version &gt;= 5.05.</p>
 <h3><a class="anchor" aria-hidden="true" id="prepare-the-dataset"></a><a href="#prepare-the-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Prepare the dataset.</h3>
-<p>Download the
-<a href="http://cs.stanford.edu/people/karpathy/char-rnn/">kernel source code</a>. Other
-plain text files can also be used.</p>
+<p>Download the <a href="http://cs.stanford.edu/people/karpathy/char-rnn/">kernel source code</a>. Other plain text files can also be used.</p>
 <h3><a class="anchor" aria-hidden="true" id="start-the-training"></a><a href="#start-the-training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Start the training,</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/char-rnn/</code> for the following commands</p>
@@ -85,12 +21,11 @@
 <pre><code class="hljs css language-shell">python train.py -h
 </code></pre>
 <h3><a class="anchor" aria-hidden="true" id="sample-characters"></a><a href="#sample-characters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sample characters</h3>
-<p>Sample characters from the model by providing the number of characters to sample
-and the seed string.</p>
+<p>Sample characters from the model by providing the number of characters to sample and the seed string.</p>
 <pre><code class="hljs css language-shell">python sample.py 'model.bin' 100 --seed '#include &lt;std'
 </code></pre>
 <p>Please replace 'model.bin' with the path to one of the checkpoint paths.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-cnn-cifar10"><span class="arrow-prev">← </span><span>Train CNN over Cifar-10</span></a><a class="docs-next button" href="/docs/model-zoo-rbm-mnist"><span>Train a RBM model against MNIST dataset</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-and-install-singa">Compile and install SINGA.</a></li><li><a href="#prepare-the-dataset">Prepare the dataset.</a></li><li><a href="#start-the-training">Start the training,</a></li><li><a href="#sample-characters">Sample characters</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-and-install-singa">Compile and install SINGA.</a></li><li><a href="#prepare-the-dataset">Prepare the dataset.</a></li><li><a href="#start-the-training">Start the training,</a></li><li><a href="#sample-characters">Sample characters</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>Recurrent neural networks (RNN) are widely used for modelling sequential data,
-e.g., natural language sentences. This example describes how to implement a RNN
-application (or model) using SINGA's RNN layers. We will use the
-<a href="https://github.com/karpathy/char-rnn">char-rnn</a> model as an example, which
-trains over sentences or source code, with each character as an input unit.
-Particularly, we will train a RNN using GRU over Linux kernel source code. After
-training, we expect to generate meaningful code from the model.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-char-rnn.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train Char-RNN over plain text</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Recurrent neural networks (RNN) are widely used for modelling sequential data, e.g., natural language sentences. This example describes how to implement a RNN application (or model) using SINGA's RNN layers. We will use the <a href="https://github.com/karpathy/char-rnn">char-rnn</a> model as an example, which trains over sentences or source code, with each character as an input unit. Particularly, we will train a RNN using GRU over Linux kernel source code. After training, we expect to generate meaningful code from the model.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="compile-and-install-singa"></a><a href="#compile-and-install-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Compile and install SINGA.</h3>
 <p>Currently the RNN implementation depends on Cudnn with version &gt;= 5.05.</p>
 <h3><a class="anchor" aria-hidden="true" id="prepare-the-dataset"></a><a href="#prepare-the-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Prepare the dataset.</h3>
-<p>Download the
-<a href="http://cs.stanford.edu/people/karpathy/char-rnn/">kernel source code</a>. Other
-plain text files can also be used.</p>
+<p>Download the <a href="http://cs.stanford.edu/people/karpathy/char-rnn/">kernel source code</a>. Other plain text files can also be used.</p>
 <h3><a class="anchor" aria-hidden="true" id="start-the-training"></a><a href="#start-the-training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Start the training,</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/char-rnn/</code> for the following commands</p>
@@ -85,12 +21,11 @@
 <pre><code class="hljs css language-shell">python train.py -h
 </code></pre>
 <h3><a class="anchor" aria-hidden="true" id="sample-characters"></a><a href="#sample-characters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sample characters</h3>
-<p>Sample characters from the model by providing the number of characters to sample
-and the seed string.</p>
+<p>Sample characters from the model by providing the number of characters to sample and the seed string.</p>
 <pre><code class="hljs css language-shell">python sample.py 'model.bin' 100 --seed '#include &lt;std'
 </code></pre>
 <p>Please replace 'model.bin' with the path to one of the checkpoint paths.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-cnn-cifar10"><span class="arrow-prev">← </span><span>Train CNN over Cifar-10</span></a><a class="docs-next button" href="/docs/model-zoo-rbm-mnist"><span>Train a RBM model against MNIST dataset</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-and-install-singa">Compile and install SINGA.</a></li><li><a href="#prepare-the-dataset">Prepare the dataset.</a></li><li><a href="#start-the-training">Start the training,</a></li><li><a href="#sample-characters">Sample characters</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>Convolution neural network (CNN) is a type of feed-forward artificial neural
-network widely used for image and video classification. In this example, we will
-train three deep CNN models to do image classification for the CIFAR-10 dataset,</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-cnn-cifar10.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train CNN over Cifar-10</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Convolution neural network (CNN) is a type of feed-forward artificial neural network widely used for image and video classification. In this example, we will train three deep CNN models to do image classification for the CIFAR-10 dataset,</p>
 <ol>
-<li><p><a href="https://code.google.com/p/cuda-convnet/source/browse/trunk/example-layers/layers-18pct.cfg">AlexNet</a>
-the best validation accuracy (without data augmentation) we achieved was
-about 82%.</p></li>
-<li><p><a href="http://torch.ch/blog/2015/07/30/cifar.html">VGGNet</a>, the best validation
-accuracy (without data augmentation) we achieved was about 89%.</p></li>
-<li><p><a href="https://github.com/facebook/fb.resnet.torch">ResNet</a>, the best validation
-accuracy (without data augmentation) we achieved was about 83%.</p></li>
-<li><p><a href="https://github.com/BVLC/caffe/tree/master/examples/cifar10">Alexnet from Caffe</a>,
-SINGA is able to convert model from Caffe seamlessly.</p></li>
+<li><p><a href="https://code.google.com/p/cuda-convnet/source/browse/trunk/example-layers/layers-18pct.cfg">AlexNet</a> the best validation accuracy (without data augmentation) we achieved was about 82%.</p></li>
+<li><p><a href="http://torch.ch/blog/2015/07/30/cifar.html">VGGNet</a>, the best validation accuracy (without data augmentation) we achieved was about 89%.</p></li>
+<li><p><a href="https://github.com/facebook/fb.resnet.torch">ResNet</a>, the best validation accuracy (without data augmentation) we achieved was about 83%.</p></li>
+<li><p><a href="https://github.com/BVLC/caffe/tree/master/examples/cifar10">Alexnet from Caffe</a>, SINGA is able to convert model from Caffe seamlessly.</p></li>
 </ol>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="singa-installation"></a><a href="#singa-installation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>SINGA installation</h3>
-<p>Users can compile and install SINGA from source or install the Python version.
-The code can ran on both CPU and GPU. For GPU training, CUDA and CUDNN (V4 or
-V5) are required. Please refer to the <a href="/docs/installation">installation page</a> for
-detailed instructions.</p>
+<p>Users can compile and install SINGA from source or install the Python version. The code can ran on both CPU and GPU. For GPU training, CUDA and CUDNN (V4 or V5) are required. Please refer to the <a href="/docs/installation">installation page</a> for detailed instructions.</p>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/cifar10/</code> for the following commands</p>
 </blockquote>
@@ -94,9 +28,7 @@
 <h3><a class="anchor" aria-hidden="true" id="training"></a><a href="#training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Training</h3>
 <p>There are four training programs</p>
 <ol>
-<li><p><code>train.py</code>. The following command would train the VGG model using the python
-version of the Cifar-10 dataset in <code>cifar-10-batches-py</code> folder.
-<code>shell python train.py vgg cifar-10-batches-py</code></p>
+<li><p><code>train.py</code>. The following command would train the VGG model using the python version of the Cifar-10 dataset in <code>cifar-10-batches-py</code> folder. <code>shell python train.py vgg cifar-10-batches-py</code></p>
 <pre><code class="hljs">To train other models, please replace 'vgg' to 'alexnet', 'resnet' or 'caffe',
 where 'caffe' refers to the alexnet model converted from Caffe. By default
 the training would run on a CudaGPU device, to run it on CppCPU, add an additional
@@ -108,27 +40,18 @@
 <li><p><code>alexnet.cc</code>. It trains the AlexNet model using the CPP APIs on a CudaGPU,</p>
 <pre><code class="hljs css language-shell">./run.sh
 </code></pre></li>
-<li><p><code>alexnet-parallel.cc</code>. It trains the AlexNet model using the CPP APIs on two
-CudaGPU devices. The two devices run synchronously to compute the gradients
-of the mode parameters, which are averaged on the host CPU device and then
-be applied to update the parameters. <code>shell ./run-parallel.sh</code></p></li>
-<li><p><code>vgg-parallel.cc</code>. It trains the VGG model using the CPP APIs on two CudaGPU
-devices similar to <code>alexnet-parallel.cc</code>.</p></li>
+<li><p><code>alexnet-parallel.cc</code>. It trains the AlexNet model using the CPP APIs on two CudaGPU devices. The two devices run synchronously to compute the gradients of the mode parameters, which are averaged on the host CPU device and then be applied to update the parameters. <code>shell ./run-parallel.sh</code></p></li>
+<li><p><code>vgg-parallel.cc</code>. It trains the VGG model using the CPP APIs on two CudaGPU devices similar to <code>alexnet-parallel.cc</code>.</p></li>
 </ol>
 <h3><a class="anchor" aria-hidden="true" id="prediction"></a><a href="#prediction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Prediction</h3>
 <p><code>predict.py</code> includes the prediction function</p>
 <pre><code class="hljs css language-python"><span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">predict</span><span class="hljs-params">(net, images, dev, topk=<span class="hljs-number">5</span>)</span>:</span>
 </code></pre>
-<p>The net is created by loading the previously trained model; Images consist of a
-numpy array of images (one row per image); dev is the training device, e.g., a
-CudaGPU device or the host CppCPU device; It returns the topk labels for each
-instance.</p>
-<p>The predict.py file's main function provides an example of using the pre-trained
-alexnet model to do prediction for new images. The 'model.bin' file generated by
-the training program should be placed at the cifar10 folder to run</p>
+<p>The net is created by loading the previously trained model; Images consist of a numpy array of images (one row per image); dev is the training device, e.g., a CudaGPU device or the host CppCPU device; It returns the topk labels for each instance.</p>
+<p>The predict.py file's main function provides an example of using the pre-trained alexnet model to do prediction for new images. The 'model.bin' file generated by the training program should be placed at the cifar10 folder to run</p>
 <pre><code class="hljs css language-shell">python predict.py
 </code></pre>
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-<p>Convolution neural network (CNN) is a type of feed-forward artificial neural
-network widely used for image and video classification. In this example, we will
-train three deep CNN models to do image classification for the CIFAR-10 dataset,</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-cnn-cifar10.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train CNN over Cifar-10</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Convolution neural network (CNN) is a type of feed-forward artificial neural network widely used for image and video classification. In this example, we will train three deep CNN models to do image classification for the CIFAR-10 dataset,</p>
 <ol>
-<li><p><a href="https://code.google.com/p/cuda-convnet/source/browse/trunk/example-layers/layers-18pct.cfg">AlexNet</a>
-the best validation accuracy (without data augmentation) we achieved was
-about 82%.</p></li>
-<li><p><a href="http://torch.ch/blog/2015/07/30/cifar.html">VGGNet</a>, the best validation
-accuracy (without data augmentation) we achieved was about 89%.</p></li>
-<li><p><a href="https://github.com/facebook/fb.resnet.torch">ResNet</a>, the best validation
-accuracy (without data augmentation) we achieved was about 83%.</p></li>
-<li><p><a href="https://github.com/BVLC/caffe/tree/master/examples/cifar10">Alexnet from Caffe</a>,
-SINGA is able to convert model from Caffe seamlessly.</p></li>
+<li><p><a href="https://code.google.com/p/cuda-convnet/source/browse/trunk/example-layers/layers-18pct.cfg">AlexNet</a> the best validation accuracy (without data augmentation) we achieved was about 82%.</p></li>
+<li><p><a href="http://torch.ch/blog/2015/07/30/cifar.html">VGGNet</a>, the best validation accuracy (without data augmentation) we achieved was about 89%.</p></li>
+<li><p><a href="https://github.com/facebook/fb.resnet.torch">ResNet</a>, the best validation accuracy (without data augmentation) we achieved was about 83%.</p></li>
+<li><p><a href="https://github.com/BVLC/caffe/tree/master/examples/cifar10">Alexnet from Caffe</a>, SINGA is able to convert model from Caffe seamlessly.</p></li>
 </ol>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="singa-installation"></a><a href="#singa-installation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>SINGA installation</h3>
-<p>Users can compile and install SINGA from source or install the Python version.
-The code can ran on both CPU and GPU. For GPU training, CUDA and CUDNN (V4 or
-V5) are required. Please refer to the <a href="/docs/installation">installation page</a> for
-detailed instructions.</p>
+<p>Users can compile and install SINGA from source or install the Python version. The code can ran on both CPU and GPU. For GPU training, CUDA and CUDNN (V4 or V5) are required. Please refer to the <a href="/docs/installation">installation page</a> for detailed instructions.</p>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/cifar10/</code> for the following commands</p>
 </blockquote>
@@ -94,9 +28,7 @@
 <h3><a class="anchor" aria-hidden="true" id="training"></a><a href="#training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Training</h3>
 <p>There are four training programs</p>
 <ol>
-<li><p><code>train.py</code>. The following command would train the VGG model using the python
-version of the Cifar-10 dataset in <code>cifar-10-batches-py</code> folder.
-<code>shell python train.py vgg cifar-10-batches-py</code></p>
+<li><p><code>train.py</code>. The following command would train the VGG model using the python version of the Cifar-10 dataset in <code>cifar-10-batches-py</code> folder. <code>shell python train.py vgg cifar-10-batches-py</code></p>
 <pre><code class="hljs">To train other models, please replace 'vgg' to 'alexnet', 'resnet' or 'caffe',
 where 'caffe' refers to the alexnet model converted from Caffe. By default
 the training would run on a CudaGPU device, to run it on CppCPU, add an additional
@@ -108,27 +40,18 @@
 <li><p><code>alexnet.cc</code>. It trains the AlexNet model using the CPP APIs on a CudaGPU,</p>
 <pre><code class="hljs css language-shell">./run.sh
 </code></pre></li>
-<li><p><code>alexnet-parallel.cc</code>. It trains the AlexNet model using the CPP APIs on two
-CudaGPU devices. The two devices run synchronously to compute the gradients
-of the mode parameters, which are averaged on the host CPU device and then
-be applied to update the parameters. <code>shell ./run-parallel.sh</code></p></li>
-<li><p><code>vgg-parallel.cc</code>. It trains the VGG model using the CPP APIs on two CudaGPU
-devices similar to <code>alexnet-parallel.cc</code>.</p></li>
+<li><p><code>alexnet-parallel.cc</code>. It trains the AlexNet model using the CPP APIs on two CudaGPU devices. The two devices run synchronously to compute the gradients of the mode parameters, which are averaged on the host CPU device and then be applied to update the parameters. <code>shell ./run-parallel.sh</code></p></li>
+<li><p><code>vgg-parallel.cc</code>. It trains the VGG model using the CPP APIs on two CudaGPU devices similar to <code>alexnet-parallel.cc</code>.</p></li>
 </ol>
 <h3><a class="anchor" aria-hidden="true" id="prediction"></a><a href="#prediction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Prediction</h3>
 <p><code>predict.py</code> includes the prediction function</p>
 <pre><code class="hljs css language-python"><span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">predict</span><span class="hljs-params">(net, images, dev, topk=<span class="hljs-number">5</span>)</span>:</span>
 </code></pre>
-<p>The net is created by loading the previously trained model; Images consist of a
-numpy array of images (one row per image); dev is the training device, e.g., a
-CudaGPU device or the host CppCPU device; It returns the topk labels for each
-instance.</p>
-<p>The predict.py file's main function provides an example of using the pre-trained
-alexnet model to do prediction for new images. The 'model.bin' file generated by
-the training program should be placed at the cifar10 folder to run</p>
+<p>The net is created by loading the previously trained model; Images consist of a numpy array of images (one row per image); dev is the training device, e.g., a CudaGPU device or the host CppCPU device; It returns the topk labels for each instance.</p>
+<p>The predict.py file's main function provides an example of using the pre-trained alexnet model to do prediction for new images. The 'model.bin' file generated by the training program should be placed at the cifar10 folder to run</p>
 <pre><code class="hljs css language-shell">python predict.py
 </code></pre>
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-<p>Convolution neural network (CNN) is a type of feed-forward neural network widely
-used for image and video classification. In this example, we will use a
-<a href="http://papers.nips.cc/paper/4824-imagenet-classification-with-deep-convolutional-neural-networks">deep CNN model</a>
-to do image classification against the ImageNet dataset.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-alexnet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train AlexNet over ImageNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Convolution neural network (CNN) is a type of feed-forward neural network widely used for image and video classification. In this example, we will use a <a href="http://papers.nips.cc/paper/4824-imagenet-classification-with-deep-convolutional-neural-networks">deep CNN model</a> to do image classification against the ImageNet dataset.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="compile-singa"></a><a href="#compile-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Compile SINGA</h3>
-<p>Please compile SINGA with CUDA, CUDNN and OpenCV. You can manually turn on the
-options in CMakeLists.txt or run <code>ccmake ..</code> in <code>build/</code> folder.</p>
+<p>Please compile SINGA with CUDA, CUDNN and OpenCV. You can manually turn on the options in CMakeLists.txt or run <code>ccmake ..</code> in <code>build/</code> folder.</p>
 <p>We have tested CUDNN V4 and V5 (V5 requires CUDA 7.5)</p>
 <h3><a class="anchor" aria-hidden="true" id="data-download"></a><a href="#data-download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Data download</h3>
 <ul>
-<li>Please refer to step1-3 on
-<a href="https://github.com/amd/OpenCL-caffe/wiki/Instructions-to-create-ImageNet-2012-data">Instructions to create ImageNet 2012 data</a>
-to download and decompress the data.</li>
-<li>You can download the training and validation list by
-<a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">get_ilsvrc_aux.sh</a>
-or from <a href="http://www.image-net.org/download-images">Imagenet</a>.</li>
+<li>Please refer to step1-3 on <a href="https://github.com/amd/OpenCL-caffe/wiki/Instructions-to-create-ImageNet-2012-data">Instructions to create ImageNet 2012 data</a> to download and decompress the data.</li>
+<li>You can download the training and validation list by <a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">get_ilsvrc_aux.sh</a> or from <a href="http://www.image-net.org/download-images">Imagenet</a>.</li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="data-preprocessing"></a><a href="#data-preprocessing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Data preprocessing</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/alexnet/</code> for the following commands</p>
 </blockquote>
 <ul>
-<li><p>Assuming you have downloaded the data and the list. Now we should transform
-the data into binary files. You can run:</p>
+<li><p>Assuming you have downloaded the data and the list. Now we should transform the data into binary files. You can run:</p>
 <pre><code class="hljs css language-shell">sh create_data.sh
 </code></pre>
-<p>The script will generate a test file(<code>test.bin</code>), a mean file(<code>mean.bin</code>) and
-several training files(<code>trainX.bin</code>) in the specified output folder.</p></li>
+<p>The script will generate a test file(<code>test.bin</code>), a mean file(<code>mean.bin</code>) and several training files(<code>trainX.bin</code>) in the specified output folder.</p></li>
 <li><p>You can also change the parameters in <code>create_data.sh</code>.</p>
 <ul>
 <li><code>-trainlist &lt;file&gt;</code>: the file of training list;</li>
 <li><code>-trainfolder &lt;folder&gt;</code>: the folder of training images;</li>
 <li><code>-testlist &lt;file&gt;</code>: the file of test list;</li>
 <li><code>-testfolder &lt;floder&gt;</code>: the folder of test images;</li>
-<li><code>-outdata &lt;folder&gt;</code>: the folder to save output files, including mean,
-training and test files. The script will generate these files in the
-specified folder;</li>
-<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary
-file.</li>
+<li><code>-outdata &lt;folder&gt;</code>: the folder to save output files, including mean, training and test files. The script will generate these files in the specified folder;</li>
+<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary file.</li>
 </ul></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="training"></a><a href="#training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Training</h3>
 <ul>
-<li><p>After preparing data, you can run the following command to train the Alexnet
-model.</p>
+<li><p>After preparing data, you can run the following command to train the Alexnet model.</p>
 <pre><code class="hljs css language-shell">sh run.sh
 </code></pre></li>
 <li><p>You may change the parameters in <code>run.sh</code>.</p>
 <ul>
 <li><code>-epoch &lt;int&gt;</code>: number of epoch to be trained, default is 90;</li>
-<li><code>-lr &lt;float&gt;</code>: base learning rate, the learning rate will decrease each 20
-epochs, more specifically, <code>lr = lr * exp(0.1 * (epoch / 20))</code>;</li>
-<li><code>-batchsize &lt;int&gt;</code>: batchsize, it should be changed regarding to your
-memory;</li>
-<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary
-file, it is the same as the <code>filesize</code> in data preprocessing;</li>
+<li><code>-lr &lt;float&gt;</code>: base learning rate, the learning rate will decrease each 20 epochs, more specifically, <code>lr = lr * exp(0.1 * (epoch / 20))</code>;</li>
+<li><code>-batchsize &lt;int&gt;</code>: batchsize, it should be changed regarding to your memory;</li>
+<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary file, it is the same as the <code>filesize</code> in data preprocessing;</li>
 <li><code>-ntrain &lt;int&gt;</code>: number of training images;</li>
 <li><code>-ntest &lt;int&gt;</code>: number of test images;</li>
-<li><code>-data &lt;folder&gt;</code>: the folder which stores the binary files, it is exactly
-the output folder in data preprocessing step;</li>
-<li><code>-pfreq &lt;int&gt;</code>: the frequency(in batch) of printing current model
-status(loss and accuracy);</li>
-<li><code>-nthreads &lt;int&gt;</code>: the number of threads to load data which feed to the
-model.</li>
+<li><code>-data &lt;folder&gt;</code>: the folder which stores the binary files, it is exactly the output folder in data preprocessing step;</li>
+<li><code>-pfreq &lt;int&gt;</code>: the frequency(in batch) of printing current model status(loss and accuracy);</li>
+<li><code>-nthreads &lt;int&gt;</code>: the number of threads to load data which feed to the model.</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-rbm-mnist"><span class="arrow-prev">← </span><span>Train a RBM model against MNIST dataset</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-densenet"><span class="function-name-prevnext">Image Classification using DenseNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-singa">Compile SINGA</a></li><li><a href="#data-download">Data download</a></li><li><a href="#data-preprocessing">Data preprocessing</a></li><li><a href="#training">Training</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-singa">Compile SINGA</a></li><li><a href="#data-download">Data download</a></li><li><a href="#data-preprocessing">Data preprocessing</a></li><li><a href="#training">Training</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>Convolution neural network (CNN) is a type of feed-forward neural network widely
-used for image and video classification. In this example, we will use a
-<a href="http://papers.nips.cc/paper/4824-imagenet-classification-with-deep-convolutional-neural-networks">deep CNN model</a>
-to do image classification against the ImageNet dataset.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-alexnet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train AlexNet over ImageNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>Convolution neural network (CNN) is a type of feed-forward neural network widely used for image and video classification. In this example, we will use a <a href="http://papers.nips.cc/paper/4824-imagenet-classification-with-deep-convolutional-neural-networks">deep CNN model</a> to do image classification against the ImageNet dataset.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="compile-singa"></a><a href="#compile-singa" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Compile SINGA</h3>
-<p>Please compile SINGA with CUDA, CUDNN and OpenCV. You can manually turn on the
-options in CMakeLists.txt or run <code>ccmake ..</code> in <code>build/</code> folder.</p>
+<p>Please compile SINGA with CUDA, CUDNN and OpenCV. You can manually turn on the options in CMakeLists.txt or run <code>ccmake ..</code> in <code>build/</code> folder.</p>
 <p>We have tested CUDNN V4 and V5 (V5 requires CUDA 7.5)</p>
 <h3><a class="anchor" aria-hidden="true" id="data-download"></a><a href="#data-download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Data download</h3>
 <ul>
-<li>Please refer to step1-3 on
-<a href="https://github.com/amd/OpenCL-caffe/wiki/Instructions-to-create-ImageNet-2012-data">Instructions to create ImageNet 2012 data</a>
-to download and decompress the data.</li>
-<li>You can download the training and validation list by
-<a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">get_ilsvrc_aux.sh</a>
-or from <a href="http://www.image-net.org/download-images">Imagenet</a>.</li>
+<li>Please refer to step1-3 on <a href="https://github.com/amd/OpenCL-caffe/wiki/Instructions-to-create-ImageNet-2012-data">Instructions to create ImageNet 2012 data</a> to download and decompress the data.</li>
+<li>You can download the training and validation list by <a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">get_ilsvrc_aux.sh</a> or from <a href="http://www.image-net.org/download-images">Imagenet</a>.</li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="data-preprocessing"></a><a href="#data-preprocessing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Data preprocessing</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/alexnet/</code> for the following commands</p>
 </blockquote>
 <ul>
-<li><p>Assuming you have downloaded the data and the list. Now we should transform
-the data into binary files. You can run:</p>
+<li><p>Assuming you have downloaded the data and the list. Now we should transform the data into binary files. You can run:</p>
 <pre><code class="hljs css language-shell">sh create_data.sh
 </code></pre>
-<p>The script will generate a test file(<code>test.bin</code>), a mean file(<code>mean.bin</code>) and
-several training files(<code>trainX.bin</code>) in the specified output folder.</p></li>
+<p>The script will generate a test file(<code>test.bin</code>), a mean file(<code>mean.bin</code>) and several training files(<code>trainX.bin</code>) in the specified output folder.</p></li>
 <li><p>You can also change the parameters in <code>create_data.sh</code>.</p>
 <ul>
 <li><code>-trainlist &lt;file&gt;</code>: the file of training list;</li>
 <li><code>-trainfolder &lt;folder&gt;</code>: the folder of training images;</li>
 <li><code>-testlist &lt;file&gt;</code>: the file of test list;</li>
 <li><code>-testfolder &lt;floder&gt;</code>: the folder of test images;</li>
-<li><code>-outdata &lt;folder&gt;</code>: the folder to save output files, including mean,
-training and test files. The script will generate these files in the
-specified folder;</li>
-<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary
-file.</li>
+<li><code>-outdata &lt;folder&gt;</code>: the folder to save output files, including mean, training and test files. The script will generate these files in the specified folder;</li>
+<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary file.</li>
 </ul></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="training"></a><a href="#training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Training</h3>
 <ul>
-<li><p>After preparing data, you can run the following command to train the Alexnet
-model.</p>
+<li><p>After preparing data, you can run the following command to train the Alexnet model.</p>
 <pre><code class="hljs css language-shell">sh run.sh
 </code></pre></li>
 <li><p>You may change the parameters in <code>run.sh</code>.</p>
 <ul>
 <li><code>-epoch &lt;int&gt;</code>: number of epoch to be trained, default is 90;</li>
-<li><code>-lr &lt;float&gt;</code>: base learning rate, the learning rate will decrease each 20
-epochs, more specifically, <code>lr = lr * exp(0.1 * (epoch / 20))</code>;</li>
-<li><code>-batchsize &lt;int&gt;</code>: batchsize, it should be changed regarding to your
-memory;</li>
-<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary
-file, it is the same as the <code>filesize</code> in data preprocessing;</li>
+<li><code>-lr &lt;float&gt;</code>: base learning rate, the learning rate will decrease each 20 epochs, more specifically, <code>lr = lr * exp(0.1 * (epoch / 20))</code>;</li>
+<li><code>-batchsize &lt;int&gt;</code>: batchsize, it should be changed regarding to your memory;</li>
+<li><code>-filesize &lt;int&gt;</code>: number of training images that stores in each binary file, it is the same as the <code>filesize</code> in data preprocessing;</li>
 <li><code>-ntrain &lt;int&gt;</code>: number of training images;</li>
 <li><code>-ntest &lt;int&gt;</code>: number of test images;</li>
-<li><code>-data &lt;folder&gt;</code>: the folder which stores the binary files, it is exactly
-the output folder in data preprocessing step;</li>
-<li><code>-pfreq &lt;int&gt;</code>: the frequency(in batch) of printing current model
-status(loss and accuracy);</li>
-<li><code>-nthreads &lt;int&gt;</code>: the number of threads to load data which feed to the
-model.</li>
+<li><code>-data &lt;folder&gt;</code>: the folder which stores the binary files, it is exactly the output folder in data preprocessing step;</li>
+<li><code>-pfreq &lt;int&gt;</code>: the frequency(in batch) of printing current model status(loss and accuracy);</li>
+<li><code>-nthreads &lt;int&gt;</code>: the number of threads to load data which feed to the model.</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-rbm-mnist"><span class="arrow-prev">← </span><span>Train a RBM model against MNIST dataset</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-densenet"><span class="function-name-prevnext">Image Classification using DenseNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-singa">Compile SINGA</a></li><li><a href="#data-download">Data download</a></li><li><a href="#data-preprocessing">Data preprocessing</a></li><li><a href="#training">Training</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#compile-singa">Compile SINGA</a></li><li><a href="#data-download">Data download</a></li><li><a href="#data-preprocessing">Data preprocessing</a></li><li><a href="#training">Training</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>In this example, we convert DenseNet on
-<a href="https://github.com/pytorch/vision/blob/master/torchvision/models/densenet.py">PyTorch</a>
-to SINGA for image classification.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-densenet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using DenseNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert DenseNet on <a href="https://github.com/pytorch/vision/blob/master/torchvision/models/densenet.py">PyTorch</a> to SINGA for image classification.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/densenet/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download-one-parameter-checkpoint-file"></a><a href="#download-one-parameter-checkpoint-file" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download one parameter checkpoint file</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf densenet-121.tar.gz</span>
@@ -84,26 +25,20 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file densenet-121.pickle --depth 121 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz">121</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-169.tar.gz">169</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-201.tar.gz">201</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-161.tar.gz">161</a></p>
+<p>The parameter files for the following model and depth configuration pairs are provided: <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz">121</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-169.tar.gz">169</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-201.tar.gz">201</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-161.tar.gz">161</a></p>
 <h3><a class="anchor" aria-hidden="true" id="submit"></a><a href="#submit" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit</h3>
 <p>Submit images for classification</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
 <p>The parameter files were converted from the pytorch via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
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-<p>In this example, we convert DenseNet on
-<a href="https://github.com/pytorch/vision/blob/master/torchvision/models/densenet.py">PyTorch</a>
-to SINGA for image classification.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-densenet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using DenseNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert DenseNet on <a href="https://github.com/pytorch/vision/blob/master/torchvision/models/densenet.py">PyTorch</a> to SINGA for image classification.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/densenet/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download-one-parameter-checkpoint-file"></a><a href="#download-one-parameter-checkpoint-file" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download one parameter checkpoint file</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf densenet-121.tar.gz</span>
@@ -84,26 +25,20 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file densenet-121.pickle --depth 121 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz">121</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-169.tar.gz">169</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-201.tar.gz">201</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-161.tar.gz">161</a></p>
+<p>The parameter files for the following model and depth configuration pairs are provided: <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-121.tar.gz">121</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-169.tar.gz">169</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-201.tar.gz">201</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/densenet/densenet-161.tar.gz">161</a></p>
 <h3><a class="anchor" aria-hidden="true" id="submit"></a><a href="#submit" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit</h3>
 <p>Submit images for classification</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
 <p>The parameter files were converted from the pytorch via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-alexnet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Train AlexNet over ImageNet</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-googlenet"><span class="function-name-prevnext">Image Classification using GoogleNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download-one-parameter-checkpoint-file">Download one parameter checkpoint file</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit">Submit</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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    The Apache Software Foundation. All rights reserved.
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    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/model-zoo-imagenet-googlenet.html b/content/docs/model-zoo-imagenet-googlenet.html
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-<p>In this example, we convert GoogleNet trained on Caffe to SINGA for image
-classification. Tested on
-<a href="https://github.com/apache/singa/commit/8c990f7da2de220e8a012c6a8ecc897dc7532744">SINGA commit</a>
-with
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/bvlc_googlenet.tar.gz">the parameters</a>.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-googlenet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using GoogleNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert GoogleNet trained on Caffe to SINGA for image classification. Tested on <a href="https://github.com/apache/singa/commit/8c990f7da2de220e8a012c6a8ecc897dc7532744">SINGA commit</a> with <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/bvlc_googlenet.tar.gz">the parameters</a>.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/googlenet/</code> for the following commands</p>
@@ -86,13 +26,9 @@
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>We first extract the parameter values from
-<a href="http://dl.caffe.berkeleyvision.org/bvlc_googlenet.caffemodel">Caffe's checkpoint file</a>
-into a pickle version After downloading the checkpoint file into
-<code>caffe_root/python</code> folder, run the following script</p>
+<p>We first extract the parameter values from <a href="http://dl.caffe.berkeleyvision.org/bvlc_googlenet.caffemodel">Caffe's checkpoint file</a> into a pickle version After downloading the checkpoint file into <code>caffe_root/python</code> folder, run the following script</p>
 <pre><code class="hljs css language-python"><span class="hljs-comment"># to be executed within caffe_root/python folder</span>
 <span class="hljs-keyword">import</span> caffe
 <span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
@@ -113,13 +49,8 @@
 <span class="hljs-keyword">with</span> open(<span class="hljs-string">'bvlc_googlenet.pickle'</span>, <span class="hljs-string">'wb'</span>) <span class="hljs-keyword">as</span> fd:
     pickle.dump(params, fd)
 </code></pre>
-<p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note
-that we added a EndPadding layer to resolve the issue from discrepancy of the
-rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor).
-Only the MaxPooling layers outside inception blocks have this problem. Refer to
-<a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a>
-for more detials.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-densenet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Image Classification using DenseNet</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-inception"><span>Image Classification using Inception V4</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note that we added a EndPadding layer to resolve the issue from discrepancy of the rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor). Only the MaxPooling layers outside inception blocks have this problem. Refer to <a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a> for more detials.</p>
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
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index 3b6dbe1..e59f2fd 100644
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-<p>In this example, we convert GoogleNet trained on Caffe to SINGA for image
-classification. Tested on
-<a href="https://github.com/apache/singa/commit/8c990f7da2de220e8a012c6a8ecc897dc7532744">SINGA commit</a>
-with
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/bvlc_googlenet.tar.gz">the parameters</a>.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-googlenet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using GoogleNet</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert GoogleNet trained on Caffe to SINGA for image classification. Tested on <a href="https://github.com/apache/singa/commit/8c990f7da2de220e8a012c6a8ecc897dc7532744">SINGA commit</a> with <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/bvlc_googlenet.tar.gz">the parameters</a>.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/googlenet/</code> for the following commands</p>
@@ -86,13 +26,9 @@
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>We first extract the parameter values from
-<a href="http://dl.caffe.berkeleyvision.org/bvlc_googlenet.caffemodel">Caffe's checkpoint file</a>
-into a pickle version After downloading the checkpoint file into
-<code>caffe_root/python</code> folder, run the following script</p>
+<p>We first extract the parameter values from <a href="http://dl.caffe.berkeleyvision.org/bvlc_googlenet.caffemodel">Caffe's checkpoint file</a> into a pickle version After downloading the checkpoint file into <code>caffe_root/python</code> folder, run the following script</p>
 <pre><code class="hljs css language-python"><span class="hljs-comment"># to be executed within caffe_root/python folder</span>
 <span class="hljs-keyword">import</span> caffe
 <span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
@@ -113,13 +49,8 @@
 <span class="hljs-keyword">with</span> open(<span class="hljs-string">'bvlc_googlenet.pickle'</span>, <span class="hljs-string">'wb'</span>) <span class="hljs-keyword">as</span> fd:
     pickle.dump(params, fd)
 </code></pre>
-<p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note
-that we added a EndPadding layer to resolve the issue from discrepancy of the
-rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor).
-Only the MaxPooling layers outside inception blocks have this problem. Refer to
-<a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a>
-for more detials.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-densenet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Image Classification using DenseNet</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-inception"><span>Image Classification using Inception V4</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then we construct the GoogleNet using SINGA's FeedForwardNet structure. Note that we added a EndPadding layer to resolve the issue from discrepancy of the rounding strategy of the pooling layer between Caffe (ceil) and cuDNN (floor). Only the MaxPooling layers outside inception blocks have this problem. Refer to <a href="https://gist.github.com/joelouismarino/a2ede9ab3928f999575423b9887abd14">this</a> for more detials.</p>
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
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-<p>In this example, we convert Inception V4 trained on Tensorflow to SINGA for
-image classification. Tested on SINGA version 1.1.1 with
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz">parameters pretrained by tensorflow</a>.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-inception.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using Inception V4</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert Inception V4 trained on Tensorflow to SINGA for image classification. Tested on SINGA version 1.1.1 with <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz">parameters pretrained by tensorflow</a>.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/inception/</code> for the following commands</p>
@@ -73,9 +15,7 @@
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf inception_v4.tar.gz</span>
 </code></pre>
-<p>Download
-<a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">synset_word.txt</a>
-file.</p>
+<p>Download <a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">synset_word.txt</a> file.</p>
 <h3><a class="anchor" aria-hidden="true" id="run-the-program"></a><a href="#run-the-program" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Run the program</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">#</span><span class="bash"> use cpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py -C &amp;</span>
@@ -87,16 +27,12 @@
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>We first extract the parameter values from
-<a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a>
-into a pickle version. After downloading and decompressing the checkpoint file,
-run the following script</p>
+<p>We first extract the parameter values from <a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a> into a pickle version. After downloading and decompressing the checkpoint file, run the following script</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py --file_name=inception_v4.ckpt</span>
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-googlenet"><span class="arrow-prev">← </span><span class="function-name-prevnext">Image Classification using GoogleNet</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-resnet"><span>Image Classification using Residual Networks</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#run-the-program">Run the program</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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    The Apache Software Foundation. All rights reserved.
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-<p>In this example, we convert Inception V4 trained on Tensorflow to SINGA for
-image classification. Tested on SINGA version 1.1.1 with
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz">parameters pretrained by tensorflow</a>.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-inception.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using Inception V4</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert Inception V4 trained on Tensorflow to SINGA for image classification. Tested on SINGA version 1.1.1 with <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz">parameters pretrained by tensorflow</a>.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/inception/</code> for the following commands</p>
@@ -73,9 +15,7 @@
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/inception_v4.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf inception_v4.tar.gz</span>
 </code></pre>
-<p>Download
-<a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">synset_word.txt</a>
-file.</p>
+<p>Download <a href="https://github.com/BVLC/caffe/blob/master/data/ilsvrc12/get_ilsvrc_aux.sh">synset_word.txt</a> file.</p>
 <h3><a class="anchor" aria-hidden="true" id="run-the-program"></a><a href="#run-the-program" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Run the program</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">#</span><span class="bash"> use cpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py -C &amp;</span>
@@ -87,16 +27,12 @@
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>We first extract the parameter values from
-<a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a>
-into a pickle version. After downloading and decompressing the checkpoint file,
-run the following script</p>
+<p>We first extract the parameter values from <a href="http://download.tensorflow.org/models/inception_v4_2016_09_09.tar.gz">Tensorflow's checkpoint file</a> into a pickle version. After downloading and decompressing the checkpoint file, run the following script</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py --file_name=inception_v4.ckpt</span>
 </code></pre>
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-<p>In this example, we convert Residual Networks trained on
-<a href="https://github.com/facebook/fb.resnet.torch">Torch</a> to SINGA for image
-classification. Tested with the
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">parameters pretrained by Torch</a></p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-resnet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using Residual Networks</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert Residual Networks trained on <a href="https://github.com/facebook/fb.resnet.torch">Torch</a> to SINGA for image classification. Tested with the <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">parameters pretrained by Torch</a></p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/resnet/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf resnet-18.tar.gz</span>
@@ -85,33 +25,25 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file resnet-18.pickle --model resnet --depth 18 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:</p>
+<p>The parameter files for the following model and depth configuration pairs are provided:</p>
 <ul>
-<li>resnet (original resnet),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">18</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-34.tar.gz">34</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-101.tar.gz">101</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-152.tar.gz">152</a></li>
-<li>addbn (resnet with a batch normalization layer after the addition),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-50.tar.gz">50</a></li>
-<li>wrn (wide resnet),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/wrn-50-2.tar.gz">50</a></li>
-<li>preact (resnet with pre-activation)
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-200.tar.gz">200</a></li>
+<li>resnet (original resnet), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">18</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-34.tar.gz">34</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-101.tar.gz">101</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-152.tar.gz">152</a></li>
+<li>addbn (resnet with a batch normalization layer after the addition), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-50.tar.gz">50</a></li>
+<li>wrn (wide resnet), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/wrn-50-2.tar.gz">50</a></li>
+<li>preact (resnet with pre-activation) <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-200.tar.gz">200</a></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="submit-images-for-classification"></a><a href="#submit-images-for-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit images for classification</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>The parameter files were extracted from the original
-<a href="https://github.com/facebook/fb.resnet.torch/tree/master/pretrained">torch files</a>
-via the convert.py program.</p>
+<p>The parameter files were extracted from the original <a href="https://github.com/facebook/fb.resnet.torch/tree/master/pretrained">torch files</a> via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs">$ <span class="hljs-keyword">python</span> convert.<span class="hljs-keyword">py</span> -h
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Image Classification using Inception V4</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-vgg"><span>Image Classification using VGG</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>In this example, we convert Residual Networks trained on
-<a href="https://github.com/facebook/fb.resnet.torch">Torch</a> to SINGA for image
-classification. Tested with the
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">parameters pretrained by Torch</a></p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-resnet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using Residual Networks</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert Residual Networks trained on <a href="https://github.com/facebook/fb.resnet.torch">Torch</a> to SINGA for image classification. Tested with the <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">parameters pretrained by Torch</a></p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/resnet/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf resnet-18.tar.gz</span>
@@ -85,33 +25,25 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file resnet-18.pickle --model resnet --depth 18 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:</p>
+<p>The parameter files for the following model and depth configuration pairs are provided:</p>
 <ul>
-<li>resnet (original resnet),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">18</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-34.tar.gz">34</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-101.tar.gz">101</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-152.tar.gz">152</a></li>
-<li>addbn (resnet with a batch normalization layer after the addition),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-50.tar.gz">50</a></li>
-<li>wrn (wide resnet),
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/wrn-50-2.tar.gz">50</a></li>
-<li>preact (resnet with pre-activation)
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-200.tar.gz">200</a></li>
+<li>resnet (original resnet), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-18.tar.gz">18</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-34.tar.gz">34</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-101.tar.gz">101</a>|<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-152.tar.gz">152</a></li>
+<li>addbn (resnet with a batch normalization layer after the addition), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-50.tar.gz">50</a></li>
+<li>wrn (wide resnet), <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/wrn-50-2.tar.gz">50</a></li>
+<li>preact (resnet with pre-activation) <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/resnet-200.tar.gz">200</a></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="submit-images-for-classification"></a><a href="#submit-images-for-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit images for classification</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
-<p>The parameter files were extracted from the original
-<a href="https://github.com/facebook/fb.resnet.torch/tree/master/pretrained">torch files</a>
-via the convert.py program.</p>
+<p>The parameter files were extracted from the original <a href="https://github.com/facebook/fb.resnet.torch/tree/master/pretrained">torch files</a> via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs">$ <span class="hljs-keyword">python</span> convert.<span class="hljs-keyword">py</span> -h
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-imagenet-inception"><span class="arrow-prev">← </span><span>Image Classification using Inception V4</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-vgg"><span>Image Classification using VGG</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#instructions">Instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#usage">Usage</a></li><li><a href="#example">Example</a></li><li><a href="#submit-images-for-classification">Submit images for classification</a></li></ul></li><li><a href="#details">Details</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>In this example, we convert VGG on
-<a href="https://github.com/pytorch/vision/blob/master/torchvision/models/vgg.py">PyTorch</a>
-to SINGA for image classification.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-vgg.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using VGG</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert VGG on <a href="https://github.com/pytorch/vision/blob/master/torchvision/models/vgg.py">PyTorch</a> to SINGA for image classification.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/vgg/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf vgg11.tar.gz</span>
@@ -84,33 +25,23 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file vgg11.pickle --depth 11 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:</p>
+<p>The parameter files for the following model and depth configuration pairs are provided:</p>
 <ul>
-<li>Without batch-normalization,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz">11</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13.tar.gz">13</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16.tar.gz">16</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19.tar.gz">19</a></li>
-<li>With batch-normalization,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11_bn.tar.gz">11</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13_bn.tar.gz">13</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16_bn.tar.gz">16</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19_bn.tar.gz">19</a></li>
+<li>Without batch-normalization, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz">11</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13.tar.gz">13</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16.tar.gz">16</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19.tar.gz">19</a></li>
+<li>With batch-normalization, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11_bn.tar.gz">11</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13_bn.tar.gz">13</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16_bn.tar.gz">16</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19_bn.tar.gz">19</a></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="submit-images-for-classification"></a><a href="#submit-images-for-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit images for classification</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
 <p>The parameter files were converted from the pytorch via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
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diff --git a/content/docs/model-zoo-imagenet-vgg/index.html b/content/docs/model-zoo-imagenet-vgg/index.html
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@@ -4,73 +4,14 @@
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-<p>In this example, we convert VGG on
-<a href="https://github.com/pytorch/vision/blob/master/torchvision/models/vgg.py">PyTorch</a>
-to SINGA for image classification.</p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-imagenet-vgg.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Image Classification using VGG</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>In this example, we convert VGG on <a href="https://github.com/pytorch/vision/blob/master/torchvision/models/vgg.py">PyTorch</a> to SINGA for image classification.</p>
 <h2><a class="anchor" aria-hidden="true" id="instructions"></a><a href="#instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Instructions</h2>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/imagenet/vgg/</code> for the following commands</p>
 </blockquote>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download one parameter checkpoint file (see below) and the synset word file of
-ImageNet into this folder, e.g.,</p>
+<p>Download one parameter checkpoint file (see below) and the synset word file of ImageNet into this folder, e.g.,</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz</span>
 <span class="hljs-meta">$</span><span class="bash"> wget https://s3-ap-southeast-1.amazonaws.com/dlfile/resnet/synset_words.txt</span>
 <span class="hljs-meta">$</span><span class="bash"> tar xvf vgg11.tar.gz</span>
@@ -84,33 +25,23 @@
 <span class="hljs-meta">#</span><span class="bash"> use gpu</span>
 <span class="hljs-meta">$</span><span class="bash"> python serve.py --parameter_file vgg11.pickle --depth 11 &amp;</span>
 </code></pre>
-<p>The parameter files for the following model and depth configuration pairs are
-provided:</p>
+<p>The parameter files for the following model and depth configuration pairs are provided:</p>
 <ul>
-<li>Without batch-normalization,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz">11</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13.tar.gz">13</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16.tar.gz">16</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19.tar.gz">19</a></li>
-<li>With batch-normalization,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11_bn.tar.gz">11</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13_bn.tar.gz">13</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16_bn.tar.gz">16</a>,
-<a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19_bn.tar.gz">19</a></li>
+<li>Without batch-normalization, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11.tar.gz">11</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13.tar.gz">13</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16.tar.gz">16</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19.tar.gz">19</a></li>
+<li>With batch-normalization, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg11_bn.tar.gz">11</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg13_bn.tar.gz">13</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg16_bn.tar.gz">16</a>, <a href="https://s3-ap-southeast-1.amazonaws.com/dlfile/vgg/vgg19_bn.tar.gz">19</a></li>
 </ul>
 <h3><a class="anchor" aria-hidden="true" id="submit-images-for-classification"></a><a href="#submit-images-for-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Submit images for classification</h3>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image1.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image2.jpg http://localhost:9999/api</span>
 <span class="hljs-meta">$</span><span class="bash"> curl -i -F image=@image3.jpg http://localhost:9999/api</span>
 </code></pre>
-<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the
-above commands.</p>
+<p>image1.jpg, image2.jpg and image3.jpg should be downloaded before executing the above commands.</p>
 <h2><a class="anchor" aria-hidden="true" id="details"></a><a href="#details" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Details</h2>
 <p>The parameter files were converted from the pytorch via the convert.py program.</p>
 <p>Usage:</p>
 <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python convert.py -h</span>
 </code></pre>
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-<p>This example is to train an RBM model using the MNIST dataset. The RBM model and
-its hyper-parameters are set following
-<a href="http://www.cs.toronto.edu/~hinton/science.pdf">Hinton's paper</a></p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-rbm-mnist.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train a RBM model against MNIST dataset</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>This example is to train an RBM model using the MNIST dataset. The RBM model and its hyper-parameters are set following <a href="http://www.cs.toronto.edu/~hinton/science.pdf">Hinton's paper</a></p>
 <h2><a class="anchor" aria-hidden="true" id="running-instructions"></a><a href="#running-instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Running instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download the pre-processed
-<a href="https://github.com/mnielsen/neural-networks-and-deep-learning/raw/master/data/mnist.pkl.gz">MNIST dataset</a></p>
+<p>Download the pre-processed <a href="https://github.com/mnielsen/neural-networks-and-deep-learning/raw/master/data/mnist.pkl.gz">MNIST dataset</a></p>
 <h3><a class="anchor" aria-hidden="true" id="start-the-training"></a><a href="#start-the-training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Start the training</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/mnist/</code> for the following commands</p>
 </blockquote>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz
 </code></pre>
-<p>By default the training code would run on CPU. To run it on a GPU card, please
-start the program with an additional argument</p>
+<p>By default the training code would run on CPU. To run it on a GPU card, please start the program with an additional argument</p>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz --use_gpu
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/model-zoo-char-rnn"><span class="arrow-prev">← </span><span>Train Char-RNN over plain text</span></a><a class="docs-next button" href="/docs/model-zoo-imagenet-alexnet"><span class="function-name-prevnext">Train AlexNet over ImageNet</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running-instructions">Running instructions</a><ul class="toc-headings"><li><a href="#download">Download</a></li><li><a href="#start-the-training">Start the training</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>This example is to train an RBM model using the MNIST dataset. The RBM model and
-its hyper-parameters are set following
-<a href="http://www.cs.toronto.edu/~hinton/science.pdf">Hinton's paper</a></p>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/model-zoo-rbm-mnist.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Train a RBM model against MNIST dataset</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+<p>This example is to train an RBM model using the MNIST dataset. The RBM model and its hyper-parameters are set following <a href="http://www.cs.toronto.edu/~hinton/science.pdf">Hinton's paper</a></p>
 <h2><a class="anchor" aria-hidden="true" id="running-instructions"></a><a href="#running-instructions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Running instructions</h2>
 <h3><a class="anchor" aria-hidden="true" id="download"></a><a href="#download" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Download</h3>
-<p>Download the pre-processed
-<a href="https://github.com/mnielsen/neural-networks-and-deep-learning/raw/master/data/mnist.pkl.gz">MNIST dataset</a></p>
+<p>Download the pre-processed <a href="https://github.com/mnielsen/neural-networks-and-deep-learning/raw/master/data/mnist.pkl.gz">MNIST dataset</a></p>
 <h3><a class="anchor" aria-hidden="true" id="start-the-training"></a><a href="#start-the-training" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Start the training</h3>
 <blockquote>
 <p>Please <code>cd</code> to <code>singa/examples/mnist/</code> for the following commands</p>
 </blockquote>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz
 </code></pre>
-<p>By default the training code would run on CPU. To run it on a GPU card, please
-start the program with an additional argument</p>
+<p>By default the training code would run on CPU. To run it on a GPU card, please start the program with an additional argument</p>
 <pre><code class="hljs css language-shell">python train.py mnist.pkl.gz --use_gpu
 </code></pre>
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 <p>There are two typical ways to implement autograd, via symbolic differentiation
 like <a href="http://deeplearning.net/software/theano/index.html">Theano</a> or reverse
 differentiation like
@@ -275,7 +275,7 @@
 <p>Refer
 <a href="https://singa.readthedocs.io/en/latest/docs/autograd.html#module-singa.autograd">here</a>
 for more details of Python API.</p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/5/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/tensor"><span class="arrow-prev">← </span><span>Tensor</span></a><a class="docs-next button" href="/docs/next/graph"><span>Computational Graph</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#relevant-modules">Relevant Modules</a><ul class="toc-headings"><li><a href="#tensor">Tensor</a></li><li><a href="#operation">Operation</a></li><li><a href="#layer">Layer</a></li></ul></li><li><a href="#examples">Examples</a><ul class="toc-headings"><li><a href="#operation-only">Operation only</a></li><li><a href="#operation--layer">Operation + Layer</a></li><li><a href="#using-the-module-api">Using the Module API</a></li><li><a href="#python-api">Python API</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 <p>There are two typical ways to implement autograd, via symbolic differentiation
 like <a href="http://deeplearning.net/software/theano/index.html">Theano</a> or reverse
 differentiation like
@@ -275,7 +275,7 @@
 <p>Refer
 <a href="https://singa.readthedocs.io/en/latest/docs/autograd.html#module-singa.autograd">here</a>
 for more details of Python API.</p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/5/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/tensor"><span class="arrow-prev">← </span><span>Tensor</span></a><a class="docs-next button" href="/docs/next/graph"><span>Computational Graph</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#relevant-modules">Relevant Modules</a><ul class="toc-headings"><li><a href="#tensor">Tensor</a></li><li><a href="#operation">Operation</a></li><li><a href="#layer">Layer</a></li></ul></li><li><a href="#examples">Examples</a><ul class="toc-headings"><li><a href="#operation-only">Operation only</a></li><li><a href="#operation--layer">Operation + Layer</a></li><li><a href="#using-the-module-api">Using the Module API</a></li><li><a href="#python-api">Python API</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/next/benchmark-train.html b/content/docs/next/benchmark-train.html
index a09d674..08d1962 100644
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 <p>Workload: we use a deep convolutional neural network,
 <a href="https://github.com/apache/singa/blob/master/examples/autograd/resnet.py">ResNet-50</a>
 as the application. ResNet-50 is has 50 convolution layers for image
@@ -77,7 +21,7 @@
 the server.</p>
 <p><img src="/docs/assets/benchmark.png" alt="Benchmark Experiments"> <br/> <strong>Scalability test. Bars
 are for the throughput; lines are for the communication cost.</strong></p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/next/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/next/benchmark-train/index.html b/content/docs/next/benchmark-train/index.html
index a09d674..08d1962 100644
--- a/content/docs/next/benchmark-train/index.html
+++ b/content/docs/next/benchmark-train/index.html
@@ -4,63 +4,7 @@
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           )
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 <p>Workload: we use a deep convolutional neural network,
 <a href="https://github.com/apache/singa/blob/master/examples/autograd/resnet.py">ResNet-50</a>
 as the application. ResNet-50 is has 50 convolution layers for image
@@ -77,7 +21,7 @@
 the server.</p>
 <p><img src="/docs/assets/benchmark.png" alt="Benchmark Experiments"> <br/> <strong>Scalability test. Bars
 are for the throughput; lines are for the communication cost.</strong></p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/next/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/next/build.html b/content/docs/next/build.html
index fdcfc58..65cb9c4 100644
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-<p>The Device abstract represents any hardware device with memory and compuation
-units. All <a href="/docs/next/tensor">Tensor operations</a> are scheduled by the resident device
+<p>The Device abstract represents a hardware device with memory and computing
+units. All <a href="./tensor">Tensor operations</a> are scheduled by the resident device
 for execution. Tensor memory is also managed by the device's memory manager.
 Therefore, optimization of memory and execution are implemented in the Device
 class.</p>
@@ -73,7 +73,7 @@
 <li>CppCPU for a CPU which runs Cpp code</li>
 <li>OpenclGPU for a GPU card which runs OpenCL code</li>
 </ol>
-<h2><a class="anchor" aria-hidden="true" id="python-api"></a><a href="#python-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python API</h2>
+<h2><a class="anchor" aria-hidden="true" id="example-usage"></a><a href="#example-usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Usage</h2>
 <p>The following code provides examples of creating devices:</p>
 <pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> singa <span class="hljs-keyword">import</span> device
 cuda = device.create_cuda_gpu_on(<span class="hljs-number">0</span>)  <span class="hljs-comment"># use GPU card of ID 0</span>
@@ -81,9 +81,7 @@
 ary1 = device.create_cuda_gpus(<span class="hljs-number">2</span>)  <span class="hljs-comment"># create 2 devices, starting from ID 0</span>
 ary2 = device.create_cuda_gpus([<span class="hljs-number">0</span>,<span class="hljs-number">2</span>])  <span class="hljs-comment"># create 2 devices on ID 0 and 2</span>
 </code></pre>
-<h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
-<p><em>work in progress</em></p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/benchmark-train"><span class="arrow-prev">← </span><span>Benchmark for Distributed Training</span></a><a class="docs-next button" href="/docs/next/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/examples"><span class="arrow-prev">← </span><span>Examples</span></a><a class="docs-next button" href="/docs/next/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#example-usage">Example Usage</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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-<p>The Device abstract represents any hardware device with memory and compuation
-units. All <a href="/docs/next/tensor">Tensor operations</a> are scheduled by the resident device
+<p>The Device abstract represents a hardware device with memory and computing
+units. All <a href="./tensor">Tensor operations</a> are scheduled by the resident device
 for execution. Tensor memory is also managed by the device's memory manager.
 Therefore, optimization of memory and execution are implemented in the Device
 class.</p>
@@ -73,7 +73,7 @@
 <li>CppCPU for a CPU which runs Cpp code</li>
 <li>OpenclGPU for a GPU card which runs OpenCL code</li>
 </ol>
-<h2><a class="anchor" aria-hidden="true" id="python-api"></a><a href="#python-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python API</h2>
+<h2><a class="anchor" aria-hidden="true" id="example-usage"></a><a href="#example-usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Usage</h2>
 <p>The following code provides examples of creating devices:</p>
 <pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> singa <span class="hljs-keyword">import</span> device
 cuda = device.create_cuda_gpu_on(<span class="hljs-number">0</span>)  <span class="hljs-comment"># use GPU card of ID 0</span>
@@ -81,9 +81,7 @@
 ary1 = device.create_cuda_gpus(<span class="hljs-number">2</span>)  <span class="hljs-comment"># create 2 devices, starting from ID 0</span>
 ary2 = device.create_cuda_gpus([<span class="hljs-number">0</span>,<span class="hljs-number">2</span>])  <span class="hljs-comment"># create 2 devices on ID 0 and 2</span>
 </code></pre>
-<h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
-<p><em>work in progress</em></p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/benchmark-train"><span class="arrow-prev">← </span><span>Benchmark for Distributed Training</span></a><a class="docs-next button" href="/docs/next/tensor"><span>Tensor</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#specific-devices">Specific devices</a></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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@@ -75,16 +75,17 @@
 stochastic gradient descent algorithms (SGD).</p>
 <p>The all-reduce operation by NCCL can be used to reduce and synchronize the
 gradients from different GPUs. Let's consider the training with 4 GPUs as shown
-below. Once the gradients from the 4 GPUs are calculated, all-reduce will return the
-sum of the gradients over the GPUs and make it available on every GPU. Then the
-averaged gradients can be easily calculated.</p>
+below. Once the gradients from the 4 GPUs are calculated, all-reduce will return
+the sum of the gradients over the GPUs and make it available on every GPU. Then
+the averaged gradients can be easily calculated.</p>
 <p><img src="/docs/assets/AllReduce.png" alt="AllReduce.png"></p>
 <h2><a class="anchor" aria-hidden="true" id="usage"></a><a href="#usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Usage</h2>
-<p>SINGA implements a module called <code>DistOpt</code> for distributed training. It replaces
-the normal SGD optimizer for updating the model parameters. The following
-example illustrates the usage of <code>DistOpt</code> for training a CNN model over the
-MNIST dataset. The full example is available
-<a href="https://github.com/apache/singa/blob/master/examples/autograd/mnist_dist.py">here</a>.</p>
+<p>SINGA implements a module called <code>DistOpt</code> (a subclass of <code>Opt</code>) for distributed
+training. It wraps a normal SGD optimizer and calls <code>Communicator</code> for gradients
+synchronization. The following example illustrates the usage of <code>DistOpt</code> for
+training a CNN model over the MNIST dataset. The source code is available
+<a href="https://github.com/apache/singa/blob/master/examples/cnn/">here</a>, and there is
+a <a href="">Colab notebook</a> for it.</p>
 <h3><a class="anchor" aria-hidden="true" id="example-code"></a><a href="#example-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Code</h3>
 <ol>
 <li>Define the neural network model:</li>
@@ -123,12 +124,19 @@
 </code></pre>
 <p>Here are some explanations concerning some variables in the code:</p>
 <p>(i) <code>dev</code></p>
-<p>dev represents the <code>Device</code> instance, where to load data and run the CNN
-model.</p>
+<p>dev represents the <code>Device</code> instance, where to load data and run the CNN model.</p>
 <p>(ii)<code>local_rank</code></p>
-<p>Local rank represents the GPU number the current process is using in the same node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means that this process is using the first GPU, while <code>local_rank=1</code> means using the second GPU. Using MPI or multiprocess, you are able to run the same training script which is only different in the value of <code>local_rank</code>.</p>
+<p>Local rank represents the GPU number the current process is using in the same
+node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means
+that this process is using the first GPU, while <code>local_rank=1</code> means using the
+second GPU. Using MPI or multiprocess, you are able to run the same training
+script which is only different in the value of <code>local_rank</code>.</p>
 <p>(iii)<code>global_rank</code></p>
-<p>Rank in global represents the global rank considered all the processes in all the nodes you are using. Let's consider the case you have 3 nodes and each of the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
+<p>Rank in global represents the global rank considered all the processes in all
+the nodes you are using. Let's consider the case you have 3 nodes and each of
+the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at
+the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd
+node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
 <ol start="3">
 <li>Load and partition the training/validation data:</li>
 </ol>
@@ -161,7 +169,8 @@
 <span class="hljs-keyword">for</span> p, g <span class="hljs-keyword">in</span> autograd.backward(loss):
     synchronize(p, sgd)
 </code></pre>
-<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you are using for distributed training.</p>
+<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you
+are using for distributed training.</p>
 <ol start="5">
 <li>Run BackPropagation and distributed SGD</li>
 </ol>
@@ -208,13 +217,18 @@
 </code></pre>
 <p>Here are some explanations concerning the variables created above:</p>
 <p>(i) <code>nccl_id</code></p>
-<p>Note that we need to generate a NCCL ID here to be used for collective communication, and then pass it to all the processes.
-The NCCL ID is like a ticket, where only the processes with this ID can join the all-reduce operation.
-(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is broadcased by MPI in our code automatically)</p>
+<p>Note that we need to generate a NCCL ID here to be used for collective
+communication, and then pass it to all the processes. The NCCL ID is like a
+ticket, where only the processes with this ID can join the all-reduce operation.
+(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is
+broadcased by MPI in our code automatically)</p>
 <p>(ii) <code>world_size</code></p>
 <p>world_size is the number of GPUs you would like to use for training.</p>
 <p>(iii) <code>local_rank</code></p>
-<p>local_rank determine the local rank of the distributed training and which gpu is used in the process. In the code above, we used a for loop to run the train function where the argument local_rank iterates from 0 to world_size. In this case, different processes can use different GPUs for training.</p>
+<p>local_rank determine the local rank of the distributed training and which gpu is
+used in the process. In the code above, we used a for loop to run the train
+function where the argument local_rank iterates from 0 to world_size. In this
+case, different processes can use different GPUs for training.</p>
 <p>The arguments for creating the <code>DistOpt</code> instance should be updated as follows</p>
 <pre><code class="hljs css language-python">sgd = opt.DistOpt(sgd, nccl_id=nccl_id, local_rank=local_rank, world_size=world_size)
 </code></pre>
@@ -324,8 +338,8 @@
 <h3><a class="anchor" aria-hidden="true" id="partial-synchronization"></a><a href="#partial-synchronization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Partial Synchronization</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_partial_update(loss)
 </code></pre>
-<p>In each iteration, every rank do the local sgd update. Then, only a chunk
-of parameters are averaged for synchronization, which saves the communication cost.
+<p>In each iteration, every rank do the local sgd update. Then, only a chunk of
+parameters are averaged for synchronization, which saves the communication cost.
 The chunk size is configured when creating the <code>DistOpt</code> instance.</p>
 <h3><a class="anchor" aria-hidden="true" id="gradient-sparsification"></a><a href="#gradient-sparsification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Gradient Sparsification</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss)
@@ -333,34 +347,57 @@
 <p>It applies sparsification schemes to select a subset of gradients for
 all-reduce. There are two scheme:</p>
 <ul>
-<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total elements selected.</li>
+<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total
+elements selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">True</span>)
 </code></pre>
 <ul>
-<li>All gradients whose absolute value are larger than predefined threshold spars are selected.</li>
+<li>All gradients whose absolute value are larger than predefined threshold spars
+are selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">False</span>)
 </code></pre>
 <p>The hyper-parameters are configured when creating the <code>DistOpt</code> instance.</p>
 <h2><a class="anchor" aria-hidden="true" id="implementation"></a><a href="#implementation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Implementation</h2>
-<p>This section is mainly for developers who want to know how the code in distribute module is implemented.</p>
+<p>This section is mainly for developers who want to know how the code in
+distribute module is implemented.</p>
 <h3><a class="anchor" aria-hidden="true" id="c-interface-for-nccl-communicator"></a><a href="#c-interface-for-nccl-communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C interface for NCCL communicator</h3>
-<p>Firstly, the communication layer is written in C language <a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>. It applies the NCCL library for collective communication.</p>
-<p>There are two constructors for the communicator, one for MPI and another for multiprocess.</p>
+<p>Firstly, the communication layer is written in C language
+<a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>.
+It applies the NCCL library for collective communication.</p>
+<p>There are two constructors for the communicator, one for MPI and another for
+multiprocess.</p>
 <p>(i) Constructor using MPI</p>
-<p>The constructor first obtains the global rank and the world size first, and calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to every rank. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
+<p>The constructor first obtains the global rank and the world size first, and
+calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to
+every rank. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
 <p>(ii) Constructor using Python multiprocess</p>
-<p>The constructor first obtains the rank, the world size, and the NCCL ID from the input argument. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
-<p>After the initialization, it provides the all-reduce functionality to synchronize the model parameters or gradients. For instance, synch takes a input tensor and perform all-reduce through the NCCL routine. After we call synch, it is necessary to call wait function to wait for the all-reduce operation to be completed.</p>
+<p>The constructor first obtains the rank, the world size, and the NCCL ID from the
+input argument. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
+<p>After the initialization, it provides the all-reduce functionality to
+synchronize the model parameters or gradients. For instance, synch takes a input
+tensor and perform all-reduce through the NCCL routine. After we call synch, it
+is necessary to call wait function to wait for the all-reduce operation to be
+completed.</p>
 <h3><a class="anchor" aria-hidden="true" id="python-interface-for-distopt"></a><a href="#python-interface-for-distopt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python interface for DistOpt</h3>
-<p>Then, the python interface provide a <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class to wrap an <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a> object to perform distributed training based on MPI or multiprocessing. During the initialization, it creates a NCCL communicator object (from the C interface as methioned in the subsection above). Then, this communicator object is used for every all-reduce operations in DistOpt.</p>
-<p>In MPI or multiprocess, each process has an individual rank, which gives information of
-which GPU the individual process is using. The training data is partitioned, so that
-each process can evaluate the sub-gradient based on the partitioned training data.
-Once the sub-gradient is calculated on each processes, the overall stochastic gradient
-is obtained by all-reducing the sub-gradients evaluated by all processes.</p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/6/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/next/model-zoo-cnn-cifar10"><span>Train CNN over Cifar-10</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then, the python interface provide a
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class
+to wrap an
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a>
+object to perform distributed training based on MPI or multiprocessing. During
+the initialization, it creates a NCCL communicator object (from the C interface
+as mentioned in the subsection above). Then, this communicator object is used
+for every all-reduce operations in DistOpt.</p>
+<p>In MPI or multiprocess, each process has an individual rank, which gives
+information of which GPU the individual process is using. The training data is
+partitioned, so that each process can evaluate the sub-gradient based on the
+partitioned training data. Once the sub-gradient is calculated on each
+processes, the overall stochastic gradient is obtained by all-reducing the
+sub-gradients evaluated by all processes.</p>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/next/download-singa"><span>Download SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/next/dist-train/index.html b/content/docs/next/dist-train/index.html
index 57e5b54..c1026a4 100644
--- a/content/docs/next/dist-train/index.html
+++ b/content/docs/next/dist-train/index.html
@@ -4,7 +4,7 @@
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@@ -75,16 +75,17 @@
 stochastic gradient descent algorithms (SGD).</p>
 <p>The all-reduce operation by NCCL can be used to reduce and synchronize the
 gradients from different GPUs. Let's consider the training with 4 GPUs as shown
-below. Once the gradients from the 4 GPUs are calculated, all-reduce will return the
-sum of the gradients over the GPUs and make it available on every GPU. Then the
-averaged gradients can be easily calculated.</p>
+below. Once the gradients from the 4 GPUs are calculated, all-reduce will return
+the sum of the gradients over the GPUs and make it available on every GPU. Then
+the averaged gradients can be easily calculated.</p>
 <p><img src="/docs/assets/AllReduce.png" alt="AllReduce.png"></p>
 <h2><a class="anchor" aria-hidden="true" id="usage"></a><a href="#usage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Usage</h2>
-<p>SINGA implements a module called <code>DistOpt</code> for distributed training. It replaces
-the normal SGD optimizer for updating the model parameters. The following
-example illustrates the usage of <code>DistOpt</code> for training a CNN model over the
-MNIST dataset. The full example is available
-<a href="https://github.com/apache/singa/blob/master/examples/autograd/mnist_dist.py">here</a>.</p>
+<p>SINGA implements a module called <code>DistOpt</code> (a subclass of <code>Opt</code>) for distributed
+training. It wraps a normal SGD optimizer and calls <code>Communicator</code> for gradients
+synchronization. The following example illustrates the usage of <code>DistOpt</code> for
+training a CNN model over the MNIST dataset. The source code is available
+<a href="https://github.com/apache/singa/blob/master/examples/cnn/">here</a>, and there is
+a <a href="">Colab notebook</a> for it.</p>
 <h3><a class="anchor" aria-hidden="true" id="example-code"></a><a href="#example-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example Code</h3>
 <ol>
 <li>Define the neural network model:</li>
@@ -123,12 +124,19 @@
 </code></pre>
 <p>Here are some explanations concerning some variables in the code:</p>
 <p>(i) <code>dev</code></p>
-<p>dev represents the <code>Device</code> instance, where to load data and run the CNN
-model.</p>
+<p>dev represents the <code>Device</code> instance, where to load data and run the CNN model.</p>
 <p>(ii)<code>local_rank</code></p>
-<p>Local rank represents the GPU number the current process is using in the same node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means that this process is using the first GPU, while <code>local_rank=1</code> means using the second GPU. Using MPI or multiprocess, you are able to run the same training script which is only different in the value of <code>local_rank</code>.</p>
+<p>Local rank represents the GPU number the current process is using in the same
+node. For example, if you are using a node with 2 GPUs, <code>local_rank=0</code> means
+that this process is using the first GPU, while <code>local_rank=1</code> means using the
+second GPU. Using MPI or multiprocess, you are able to run the same training
+script which is only different in the value of <code>local_rank</code>.</p>
 <p>(iii)<code>global_rank</code></p>
-<p>Rank in global represents the global rank considered all the processes in all the nodes you are using. Let's consider the case you have 3 nodes and each of the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
+<p>Rank in global represents the global rank considered all the processes in all
+the nodes you are using. Let's consider the case you have 3 nodes and each of
+the node has two GPUs, <code>global_rank=0</code> means the process using the 1st GPU at
+the 1st node, <code>global_rank=2</code> means the process using the 1st GPU of the 2nd
+node, and <code>global_rank=4</code> means the process using the 1st GPU of the 3rd node.</p>
 <ol start="3">
 <li>Load and partition the training/validation data:</li>
 </ol>
@@ -161,7 +169,8 @@
 <span class="hljs-keyword">for</span> p, g <span class="hljs-keyword">in</span> autograd.backward(loss):
     synchronize(p, sgd)
 </code></pre>
-<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you are using for distributed training.</p>
+<p>Here, <code>world_size</code> represents the total number of processes in all the nodes you
+are using for distributed training.</p>
 <ol start="5">
 <li>Run BackPropagation and distributed SGD</li>
 </ol>
@@ -208,13 +217,18 @@
 </code></pre>
 <p>Here are some explanations concerning the variables created above:</p>
 <p>(i) <code>nccl_id</code></p>
-<p>Note that we need to generate a NCCL ID here to be used for collective communication, and then pass it to all the processes.
-The NCCL ID is like a ticket, where only the processes with this ID can join the all-reduce operation.
-(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is broadcased by MPI in our code automatically)</p>
+<p>Note that we need to generate a NCCL ID here to be used for collective
+communication, and then pass it to all the processes. The NCCL ID is like a
+ticket, where only the processes with this ID can join the all-reduce operation.
+(Later if we use MPI, the passing of NCCL ID is not necessary, because the ID is
+broadcased by MPI in our code automatically)</p>
 <p>(ii) <code>world_size</code></p>
 <p>world_size is the number of GPUs you would like to use for training.</p>
 <p>(iii) <code>local_rank</code></p>
-<p>local_rank determine the local rank of the distributed training and which gpu is used in the process. In the code above, we used a for loop to run the train function where the argument local_rank iterates from 0 to world_size. In this case, different processes can use different GPUs for training.</p>
+<p>local_rank determine the local rank of the distributed training and which gpu is
+used in the process. In the code above, we used a for loop to run the train
+function where the argument local_rank iterates from 0 to world_size. In this
+case, different processes can use different GPUs for training.</p>
 <p>The arguments for creating the <code>DistOpt</code> instance should be updated as follows</p>
 <pre><code class="hljs css language-python">sgd = opt.DistOpt(sgd, nccl_id=nccl_id, local_rank=local_rank, world_size=world_size)
 </code></pre>
@@ -324,8 +338,8 @@
 <h3><a class="anchor" aria-hidden="true" id="partial-synchronization"></a><a href="#partial-synchronization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Partial Synchronization</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_partial_update(loss)
 </code></pre>
-<p>In each iteration, every rank do the local sgd update. Then, only a chunk
-of parameters are averaged for synchronization, which saves the communication cost.
+<p>In each iteration, every rank do the local sgd update. Then, only a chunk of
+parameters are averaged for synchronization, which saves the communication cost.
 The chunk size is configured when creating the <code>DistOpt</code> instance.</p>
 <h3><a class="anchor" aria-hidden="true" id="gradient-sparsification"></a><a href="#gradient-sparsification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Gradient Sparsification</h3>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss)
@@ -333,34 +347,57 @@
 <p>It applies sparsification schemes to select a subset of gradients for
 all-reduce. There are two scheme:</p>
 <ul>
-<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total elements selected.</li>
+<li>The top-K largest elements are selected. spars is the portion (0 - 1) of total
+elements selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">True</span>)
 </code></pre>
 <ul>
-<li>All gradients whose absolute value are larger than predefined threshold spars are selected.</li>
+<li>All gradients whose absolute value are larger than predefined threshold spars
+are selected.</li>
 </ul>
 <pre><code class="hljs css language-python">sgd.backward_and_sparse_update(loss = loss, spars = spars, topK = <span class="hljs-literal">False</span>)
 </code></pre>
 <p>The hyper-parameters are configured when creating the <code>DistOpt</code> instance.</p>
 <h2><a class="anchor" aria-hidden="true" id="implementation"></a><a href="#implementation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Implementation</h2>
-<p>This section is mainly for developers who want to know how the code in distribute module is implemented.</p>
+<p>This section is mainly for developers who want to know how the code in
+distribute module is implemented.</p>
 <h3><a class="anchor" aria-hidden="true" id="c-interface-for-nccl-communicator"></a><a href="#c-interface-for-nccl-communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C interface for NCCL communicator</h3>
-<p>Firstly, the communication layer is written in C language <a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>. It applies the NCCL library for collective communication.</p>
-<p>There are two constructors for the communicator, one for MPI and another for multiprocess.</p>
+<p>Firstly, the communication layer is written in C language
+<a href="https://github.com/apache/singa/blob/master/src/io/communicator.cc">communicator.cc</a>.
+It applies the NCCL library for collective communication.</p>
+<p>There are two constructors for the communicator, one for MPI and another for
+multiprocess.</p>
 <p>(i) Constructor using MPI</p>
-<p>The constructor first obtains the global rank and the world size first, and calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to every rank. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
+<p>The constructor first obtains the global rank and the world size first, and
+calculate the local rank. Then, rank 0 generates a NCCL ID and broadcast it to
+every rank. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
 <p>(ii) Constructor using Python multiprocess</p>
-<p>The constructor first obtains the rank, the world size, and the NCCL ID from the input argument. After that, it calls the setup function to initialize the NCCL communicator, cuda streams, and buffers.</p>
-<p>After the initialization, it provides the all-reduce functionality to synchronize the model parameters or gradients. For instance, synch takes a input tensor and perform all-reduce through the NCCL routine. After we call synch, it is necessary to call wait function to wait for the all-reduce operation to be completed.</p>
+<p>The constructor first obtains the rank, the world size, and the NCCL ID from the
+input argument. After that, it calls the setup function to initialize the NCCL
+communicator, cuda streams, and buffers.</p>
+<p>After the initialization, it provides the all-reduce functionality to
+synchronize the model parameters or gradients. For instance, synch takes a input
+tensor and perform all-reduce through the NCCL routine. After we call synch, it
+is necessary to call wait function to wait for the all-reduce operation to be
+completed.</p>
 <h3><a class="anchor" aria-hidden="true" id="python-interface-for-distopt"></a><a href="#python-interface-for-distopt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python interface for DistOpt</h3>
-<p>Then, the python interface provide a <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class to wrap an <a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a> object to perform distributed training based on MPI or multiprocessing. During the initialization, it creates a NCCL communicator object (from the C interface as methioned in the subsection above). Then, this communicator object is used for every all-reduce operations in DistOpt.</p>
-<p>In MPI or multiprocess, each process has an individual rank, which gives information of
-which GPU the individual process is using. The training data is partitioned, so that
-each process can evaluate the sub-gradient based on the partitioned training data.
-Once the sub-gradient is calculated on each processes, the overall stochastic gradient
-is obtained by all-reducing the sub-gradients evaluated by all processes.</p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/6/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/next/model-zoo-cnn-cifar10"><span>Train CNN over Cifar-10</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+<p>Then, the python interface provide a
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">DistOpt</a> class
+to wrap an
+<a href="https://github.com/apache/singa/blob/master/python/singa/opt.py">optimizer</a>
+object to perform distributed training based on MPI or multiprocessing. During
+the initialization, it creates a NCCL communicator object (from the C interface
+as mentioned in the subsection above). Then, this communicator object is used
+for every all-reduce operations in DistOpt.</p>
+<p>In MPI or multiprocess, each process has an individual rank, which gives
+information of which GPU the individual process is using. The training data is
+partitioned, so that each process can evaluate the sub-gradient based on the
+partitioned training data. Once the sub-gradient is calculated on each
+processes, the overall stochastic gradient is obtained by all-reducing the
+sub-gradients evaluated by all processes.</p>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/graph"><span class="arrow-prev">← </span><span>Computational Graph</span></a><a class="docs-next button" href="/docs/next/download-singa"><span>Download SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#usage">Usage</a><ul class="toc-headings"><li><a href="#example-code">Example Code</a></li><li><a href="#execution-instruction">Execution Instruction</a></li></ul></li><li><a href="#optimizations-for-distributed-training">Optimizations for Distributed Training</a><ul class="toc-headings"><li><a href="#no-optimizations">No Optimizations</a></li><li><a href="#half-precision-gradients">Half-precision Gradients</a></li><li><a href="#partial-synchronization">Partial Synchronization</a></li><li><a href="#gradient-sparsification">Gradient Sparsification</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#c-interface-for-nccl-communicator">C interface for NCCL communicator</a></li><li><a href="#python-interface-for-distopt">Python interface for DistOpt</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
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index 71aba9c..a72ebbb 100644
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 stability of the code, it does indicate that the project has yet to be fully
 endorsed by the ASF.</p>
 </blockquote>
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 </blockquote>
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+<p>This page lists some example deep learning tasks using SINGA. The source code is
+maintained inside SINGA repo on
+<a href="https://github.com/apache/singa/tree/master/examples">Github</a>. For examples
+running on CPU or single GPU using SINGA Python APIs, they are also available on
+<a href="https://colab.research.google.com/">Google Colab</a>. You can run them directly on
+Google Cloud without setting up the environment locally. The link to each
+example is given below.</p>
+<h2><a class="anchor" aria-hidden="true" id="image-classification"></a><a href="#image-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Classification</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Simple CNN</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">Colab</a></td></tr>
+<tr><td>AlexNet</td><td>ImageNet</td><td><a href="">Cpp</a></td></tr>
+<tr><td>VGG</td><td>ImageNet</td><td><a href="">Cpp</a>, <a href="">Python</a>, <a href="https://colab.research.google.com/drive/14kxgRKtbjPCKKsDJVNi3AvTev81Gp_Ds">Colab</a></td></tr>
+<tr><td>XceptionNet</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="">Python</a></td></tr>
+<tr><td>ResNet</td><td>MNIST, CIFAR10, CIFAR100, CIFAR10</td><td><a href="">Python</a>, <a href="https://colab.research.google.com/drive/1u1RYefSsVbiP4I-5wiBKHjsT9L0FxLm9">Colab</a></td></tr>
+<tr><td>MobileNet</td><td>ImageNet</td><td><a href="https://colab.research.google.com/drive/1HsixqJMIpKyEPhkbB8jy7NwNEFEAUWAf">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="object-detection"></a><a href="#object-detection" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Object Detection</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Tiny YOLOv2</td><td>Pascal VOC</td><td><a href="https://colab.research.google.com/drive/11V4I6cRjIJNUv5ZGsEGwqHuoQEie6b1T">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="face-and-emotion-recognition"></a><a href="#face-and-emotion-recognition" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Face and Emotion Recognition</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>ArcFace</td><td>Refined MS-Celeb-1M</td><td><a href="https://colab.research.google.com/drive/1qanaqUKGIDtifdzEzJOHjEj4kYzA9uJC">Colab</a></td></tr>
+<tr><td>Emotion FerPlus</td><td><a href="https://www.kaggle.com/c/challenges-in-representation-learning-facial-expression-recognition-challenge/data">Facial Expression Recognition Challenge</a></td><td><a href="https://colab.research.google.com/drive/1XHtBQGRhe58PDi4LGYJzYueWBeWbO23r">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="image-generation"></a><a href="#image-generation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Generation</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>GAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1f86MNDW47DJqHoIqWD1tOxcyx2MWys8L">Colab</a></td></tr>
+<tr><td>LSGAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1C6jNRf28vnFOI9JVM4lpkJPqxsnhxdol">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="machine-comprehension"></a><a href="#machine-comprehension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Machine Comprehension</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Bert-Squad</td><td><a href="https://rajpurkar.github.io/SQuAD-explorer/explore/1.1/dev/">SQuAD v1.1</a></td><td><a href="https://colab.research.google.com/drive/1kud-lUPjS_u-TkDAzihBTw0Vqr0FjCE-">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="misc"></a><a href="#misc" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Misc.</h2>
+<ul>
+<li>Restricted Boltzmann Machine over the MNIST dataset, <a href="">source</a>,
+<a href="https://colab.research.google.com/drive/19996noGu9JyHHkVmp4edBGu7PJSRQKsd">Colab</a>.</li>
+</ul>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/next/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-and-emotion-recognition">Face and Emotion Recognition</a></li><li><a href="#image-generation">Image Generation</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li><li><a href="#misc">Misc.</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+   The Apache Software Foundation. All rights reserved.
+   Apache SINGA, Apache, the Apache feather logo, and
+   the Apache SINGA project logos are trademarks of The
+   Apache Software Foundation. All other marks mentioned
+   may be trademarks or registered trademarks of their
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Examples · Apache SINGA</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="&lt;!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  --&gt;"/><meta name="docsearch:version" content="next"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Examples · Apache SINGA"/><meta property="og:type" content="website"/><meta property="og:url" content="https://feynmandna.github.io/"/><meta property="og:description" content="&lt;!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  --&gt;"/><meta property="og:image" content="https://feynmandna.github.io/img/singa_twitter_banner.jpeg"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://feynmandna.github.io/img/singa_twitter_banner.jpeg"/><link rel="shortcut icon" href="/img/favicon.ico"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://feynmandna.github.io/blog/atom.xml" title="Apache SINGA Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://feynmandna.github.io/blog/feed.xml" title="Apache SINGA Blog RSS Feed"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script src="https://unpkg.com/vanilla-back-to-top@7.1.14/dist/vanilla-back-to-top.min.js"></script><script>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Getting Started</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/next/software-stack">Software Stack</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/next/examples">Examples</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/next/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/next/autograd">Autograd</a></li><li class="navListItem"><a class="navItem" href="/docs/next/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/next/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/next/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/next/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/next/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/next/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/next/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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+<p>This page lists some example deep learning tasks using SINGA. The source code is
+maintained inside SINGA repo on
+<a href="https://github.com/apache/singa/tree/master/examples">Github</a>. For examples
+running on CPU or single GPU using SINGA Python APIs, they are also available on
+<a href="https://colab.research.google.com/">Google Colab</a>. You can run them directly on
+Google Cloud without setting up the environment locally. The link to each
+example is given below.</p>
+<h2><a class="anchor" aria-hidden="true" id="image-classification"></a><a href="#image-classification" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Classification</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Simple CNN</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">Colab</a></td></tr>
+<tr><td>AlexNet</td><td>ImageNet</td><td><a href="">Cpp</a></td></tr>
+<tr><td>VGG</td><td>ImageNet</td><td><a href="">Cpp</a>, <a href="">Python</a>, <a href="https://colab.research.google.com/drive/14kxgRKtbjPCKKsDJVNi3AvTev81Gp_Ds">Colab</a></td></tr>
+<tr><td>XceptionNet</td><td>MNIST, CIFAR10, CIFAR100</td><td><a href="">Python</a></td></tr>
+<tr><td>ResNet</td><td>MNIST, CIFAR10, CIFAR100, CIFAR10</td><td><a href="">Python</a>, <a href="https://colab.research.google.com/drive/1u1RYefSsVbiP4I-5wiBKHjsT9L0FxLm9">Colab</a></td></tr>
+<tr><td>MobileNet</td><td>ImageNet</td><td><a href="https://colab.research.google.com/drive/1HsixqJMIpKyEPhkbB8jy7NwNEFEAUWAf">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="object-detection"></a><a href="#object-detection" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Object Detection</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Tiny YOLOv2</td><td>Pascal VOC</td><td><a href="https://colab.research.google.com/drive/11V4I6cRjIJNUv5ZGsEGwqHuoQEie6b1T">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="face-and-emotion-recognition"></a><a href="#face-and-emotion-recognition" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Face and Emotion Recognition</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>ArcFace</td><td>Refined MS-Celeb-1M</td><td><a href="https://colab.research.google.com/drive/1qanaqUKGIDtifdzEzJOHjEj4kYzA9uJC">Colab</a></td></tr>
+<tr><td>Emotion FerPlus</td><td><a href="https://www.kaggle.com/c/challenges-in-representation-learning-facial-expression-recognition-challenge/data">Facial Expression Recognition Challenge</a></td><td><a href="https://colab.research.google.com/drive/1XHtBQGRhe58PDi4LGYJzYueWBeWbO23r">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="image-generation"></a><a href="#image-generation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Image Generation</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>GAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1f86MNDW47DJqHoIqWD1tOxcyx2MWys8L">Colab</a></td></tr>
+<tr><td>LSGAN</td><td>MNIST</td><td><a href="https://colab.research.google.com/drive/1C6jNRf28vnFOI9JVM4lpkJPqxsnhxdol">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="machine-comprehension"></a><a href="#machine-comprehension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Machine Comprehension</h2>
+<table>
+<thead>
+<tr><th>Model</th><th>Dataset</th><th>Links</th></tr>
+</thead>
+<tbody>
+<tr><td>Bert-Squad</td><td><a href="https://rajpurkar.github.io/SQuAD-explorer/explore/1.1/dev/">SQuAD v1.1</a></td><td><a href="https://colab.research.google.com/drive/1kud-lUPjS_u-TkDAzihBTw0Vqr0FjCE-">Colab</a></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="misc"></a><a href="#misc" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Misc.</h2>
+<ul>
+<li>Restricted Boltzmann Machine over the MNIST dataset, <a href="">source</a>,
+<a href="https://colab.research.google.com/drive/19996noGu9JyHHkVmp4edBGu7PJSRQKsd">Colab</a>.</li>
+</ul>
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/software-stack"><span class="arrow-prev">← </span><span>Software Stack</span></a><a class="docs-next button" href="/docs/next/device"><span>Device</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-and-emotion-recognition">Face and Emotion Recognition</a></li><li><a href="#image-generation">Image Generation</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li><li><a href="#misc">Misc.</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+   The Apache Software Foundation. All rights reserved.
+   Apache SINGA, Apache, the Apache feather logo, and
+   the Apache SINGA project logos are trademarks of The
+   Apache Software Foundation. All other marks mentioned
+   may be trademarks or registered trademarks of their
+   respective owners.</section></div></footer></div><script>window.twttr=(function(d,s, id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src='https://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js, fjs);t._e = [];t.ready = function(f) {t._e.push(f);};return t;}(document, 'script', 'twitter-wjs'));</script></body></html>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Guides</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Getting Started</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/installation">Installation</a></li><li class="navListItem"><a class="navItem" href="/docs/next/software-stack">Software Stack</a></li><li class="navListItem"><a class="navItem" href="/docs/next/examples">Examples</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/device">Device</a></li><li class="navListItem"><a class="navItem" href="/docs/next/tensor">Tensor</a></li><li class="navListItem"><a class="navItem" href="/docs/next/autograd">Autograd</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/next/graph">Computational Graph</a></li><li class="navListItem"><a class="navItem" href="/docs/next/dist-train">Distributed Training</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/next/download-singa">Download SINGA</a></li><li class="navListItem"><a class="navItem" href="/docs/next/build">Build SINGA from Source</a></li><li class="navListItem"><a class="navItem" href="/docs/next/contribute-code">How to Contribute Code</a></li><li class="navListItem"><a class="navItem" href="/docs/next/contribute-docs">How to Contribute to Documentation</a></li><li class="navListItem"><a class="navItem" href="/docs/next/how-to-release">How to Prepare a Release</a></li><li class="navListItem"><a class="navItem" href="/docs/next/git-workflow">Git Workflow</a></li></ul></div></div></section></div><script>
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         </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/graph.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Computational Graph</h1></header><article><div><span><!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License. -->
-<p>SINGA supports buffering operations and computational graph. Using computational
-graph, SINGA can schedule the execution of operations as well as the memory
-allocation and release. It makes training more efficient while using less
-memory.</p>
+<p>SINGA can buffering operations to create a computational graph (CG). With the
+computational graph, SINGA can schedule the execution of operations as well as
+the memory allocation and release. It makes training more efficient while using
+less memory.</p>
 <h2><a class="anchor" aria-hidden="true" id="about-computational-graph"></a><a href="#about-computational-graph" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>About Computational Graph</h2>
 <h3><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Introduction</h3>
 <p>Computational graph is used to represent networks of the flow of computation. It
@@ -82,7 +82,7 @@
 the program into intermediate code, then optimize the intermediate code and
 finally come up with many ways to efficiently execute the code. In neural
 networks, the intermediate code is the calculation graph. We can optimize
-through techniques like common subexpression elimination. When the computer
+through techniques like common sub-expression elimination. When the computer
 executes the compiled binary file, it can be efficiently executed by using
 multi-thread technology, and the same as the execution of the calculation graph.
 Therefore, some ideas of compilation principles can also be used in the
@@ -114,7 +114,7 @@
 <p><img src="/docs/assets/GraphOfMLP.png" alt="The computational graph of MLP"></p>
 <p><br/><strong>Figure 2 - The computational graph of MLP</strong></p>
 <h2><a class="anchor" aria-hidden="true" id="features"></a><a href="#features" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Features</h2>
-<p>There are four main features of computational graph in SINGA, namely (i)
+<p>There are four main components of a computational graph in SINGA, namely (i)
 Computational graph construction, (ii) Lazy allocation, (iii) Automatic
 recycling, (iv) Shared memory. Details are as follows:</p>
 <ul>
@@ -134,7 +134,7 @@
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="how-to-use"></a><a href="#how-to-use" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>How to use</h2>
 <ul>
-<li>An example of CNN:</li>
+<li>A CNN example.</li>
 </ul>
 <pre><code class="hljs css language-Python">
 <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CNN</span><span class="hljs-params">(module.Module)</span>:</span>
@@ -191,6 +191,8 @@
     loss = model.loss(out, ty)
     model.optim(loss)
 </code></pre>
+<p>A Google Colab notebook of this example is available
+<a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">here</a>.</p>
 <ul>
 <li>Some settings:
 <a href="https://github.com/apache/singa/blob/master/python/singa/module.py">module.py</a>
@@ -621,7 +623,7 @@
   <span class="hljs-keyword">return</span> dx;
 }
 </code></pre>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/4/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/autograd"><span class="arrow-prev">← </span><span>Autograd in SINGA</span></a><a class="docs-next button" href="/docs/next/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/autograd"><span class="arrow-prev">← </span><span>Autograd</span></a><a class="docs-next button" href="/docs/next/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/next/graph/index.html b/content/docs/next/graph/index.html
index b7a4d3b..35bad6e 100644
--- a/content/docs/next/graph/index.html
+++ b/content/docs/next/graph/index.html
@@ -4,7 +4,7 @@
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-<p>SINGA supports buffering operations and computational graph. Using computational
-graph, SINGA can schedule the execution of operations as well as the memory
-allocation and release. It makes training more efficient while using less
-memory.</p>
+<p>SINGA can buffering operations to create a computational graph (CG). With the
+computational graph, SINGA can schedule the execution of operations as well as
+the memory allocation and release. It makes training more efficient while using
+less memory.</p>
 <h2><a class="anchor" aria-hidden="true" id="about-computational-graph"></a><a href="#about-computational-graph" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>About Computational Graph</h2>
 <h3><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Introduction</h3>
 <p>Computational graph is used to represent networks of the flow of computation. It
@@ -82,7 +82,7 @@
 the program into intermediate code, then optimize the intermediate code and
 finally come up with many ways to efficiently execute the code. In neural
 networks, the intermediate code is the calculation graph. We can optimize
-through techniques like common subexpression elimination. When the computer
+through techniques like common sub-expression elimination. When the computer
 executes the compiled binary file, it can be efficiently executed by using
 multi-thread technology, and the same as the execution of the calculation graph.
 Therefore, some ideas of compilation principles can also be used in the
@@ -114,7 +114,7 @@
 <p><img src="/docs/assets/GraphOfMLP.png" alt="The computational graph of MLP"></p>
 <p><br/><strong>Figure 2 - The computational graph of MLP</strong></p>
 <h2><a class="anchor" aria-hidden="true" id="features"></a><a href="#features" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Features</h2>
-<p>There are four main features of computational graph in SINGA, namely (i)
+<p>There are four main components of a computational graph in SINGA, namely (i)
 Computational graph construction, (ii) Lazy allocation, (iii) Automatic
 recycling, (iv) Shared memory. Details are as follows:</p>
 <ul>
@@ -134,7 +134,7 @@
 </ul>
 <h2><a class="anchor" aria-hidden="true" id="how-to-use"></a><a href="#how-to-use" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>How to use</h2>
 <ul>
-<li>An example of CNN:</li>
+<li>A CNN example.</li>
 </ul>
 <pre><code class="hljs css language-Python">
 <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CNN</span><span class="hljs-params">(module.Module)</span>:</span>
@@ -191,6 +191,8 @@
     loss = model.loss(out, ty)
     model.optim(loss)
 </code></pre>
+<p>A Google Colab notebook of this example is available
+<a href="https://colab.research.google.com/drive/1fbGUs1AsoX6bU5F745RwQpohP4bHTktq">here</a>.</p>
 <ul>
 <li>Some settings:
 <a href="https://github.com/apache/singa/blob/master/python/singa/module.py">module.py</a>
@@ -621,7 +623,7 @@
   <span class="hljs-keyword">return</span> dx;
 }
 </code></pre>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/4/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/autograd"><span class="arrow-prev">← </span><span>Autograd in SINGA</span></a><a class="docs-next button" href="/docs/next/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/autograd"><span class="arrow-prev">← </span><span>Autograd</span></a><a class="docs-next button" href="/docs/next/dist-train"><span>Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#about-computational-graph">About Computational Graph</a><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#pipeline">Pipeline</a></li><li><a href="#an-example-of-mlp">An example of MLP</a></li></ul></li><li><a href="#features">Features</a></li><li><a href="#how-to-use">How to use</a></li><li><a href="#experiments">Experiments</a><ul class="toc-headings"><li><a href="#single-node">Single node</a></li><li><a href="#multi-processes">Multi processes</a></li><li><a href="#conclusion">Conclusion</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#computational-graph-construction">Computational graph construction</a></li><li><a href="#lazy-allocation">Lazy allocation</a></li><li><a href="#automatic-recycling">Automatic recycling</a></li><li><a href="#shared-memory">Shared memory</a></li></ul></li><li><a href="#how-to-add-a-new-operation">How to add a new operation</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/next/install-win.html b/content/docs/next/install-win.html
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@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>The process of building SINGA from source on Microsoft Windows has four parts:
 install dependencies, build SINGA source, (optionally) install the python module
 and (optionally) run the unit tests.</p>
diff --git a/content/docs/next/install-win/index.html b/content/docs/next/install-win/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/install-win.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Build SINGA on Windows</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>The process of building SINGA from source on Microsoft Windows has four parts:
 install dependencies, build SINGA source, (optionally) install the python module
 and (optionally) run the unit tests.</p>
diff --git a/content/docs/next/installation.html b/content/docs/next/installation.html
index f3d2fd0..e3286e7 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables
 an ability to transfer trained models between different deep learning
 frameworks. We have integrated the main functionality of ONNX into SINGA, and
diff --git a/content/docs/next/onnx/index.html b/content/docs/next/onnx/index.html
index 3a113d6..0c822e1 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables
 an ability to transfer trained models between different deep learning
 frameworks. We have integrated the main functionality of ONNX into SINGA, and
diff --git a/content/docs/next/releases/RELEASE_NOTES_0.1.0.html b/content/docs/next/releases/RELEASE_NOTES_0.1.0.html
index 9128ba1..4d3c40b 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
diff --git a/content/docs/next/releases/RELEASE_NOTES_0.1.0/index.html b/content/docs/next/releases/RELEASE_NOTES_0.1.0/index.html
index 9128ba1..4d3c40b 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
diff --git a/content/docs/next/releases/RELEASE_NOTES_0.2.0.html b/content/docs/next/releases/RELEASE_NOTES_0.2.0.html
index f3a8f75..3a0b749 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
diff --git a/content/docs/next/releases/RELEASE_NOTES_0.2.0/index.html b/content/docs/next/releases/RELEASE_NOTES_0.2.0/index.html
index f3a8f75..3a0b749 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
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index a5cf45e..a8b3171 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
diff --git a/content/docs/next/releases/RELEASE_NOTES_1.0.0/index.html b/content/docs/next/releases/RELEASE_NOTES_1.0.0/index.html
index 1d5e70f..4a146b1 100644
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
diff --git a/content/docs/next/releases/RELEASE_NOTES_1.1.0.html b/content/docs/next/releases/RELEASE_NOTES_1.1.0.html
index b9385c1..4e4bbb6 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
diff --git a/content/docs/next/releases/RELEASE_NOTES_1.1.0/index.html b/content/docs/next/releases/RELEASE_NOTES_1.1.0/index.html
index b9385c1..4e4bbb6 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
diff --git a/content/docs/next/releases/RELEASE_NOTES_1.2.0.html b/content/docs/next/releases/RELEASE_NOTES_1.2.0.html
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/installation" target="_self">Docs</a></li><li class=""><a href="/docs/next/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
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-<p>SINGA's software stack includes three major components, namely, core, IO and
-model. Figure 1 illustrates these components together with the hardware. The
-core component provides memory management and tensor operations; IO has classes
-for reading (and writing) data from (to) disk and network; The model component
-provides data structures and algorithms for machine learning models, e.g.,
-layers for neural network models, optimizers/initializer/metric/loss for general
-machine learning models.</p>
-<p><img src="/docs/assets/singav1-sw.png" alt="SINGA V1 software stack"> <br/> <strong>Figure 1 - SINGA V1
+<p>SINGA's software stack includes two major levels, the low level backend classes
+and the Python interface level. Figure 1 illustrates them together with the
+hardware. The backend components provides basic data structures for deep
+learning models, hardware abstractions for scheduling and executing operations,
+and communication components for distributed training. The Python interface
+wraps some CPP data structures and provides additional high-level classes for
+neural network training, which makes it convenient to implement complex neural
+network models. Next, we introduce the software stack in a bottom-up manner.</p>
+<p><img src="/docs/assets/singav3-sw.png" alt="SINGA V3 software stack"> <br/> <strong>Figure 1 - SINGA V3
 software stack.</strong></p>
-<h2><a class="anchor" aria-hidden="true" id="core"></a><a href="#core" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Core</h2>
-<p><a href="/docs/next/tensor">Tensor</a> and <a href="/docs/next/device">Device</a> are two core abstractions in SINGA.
-Tensor class represents a multi-dimensional array, which stores model variables
-and provides linear algebra operations for machine learning algorithms,
-including matrix multiplication and random functions. Each tensor instance (i.e.
-a tensor) is allocated on a Device instance. Each Device instance (i.e. a
-device) is created against one hardware device, e.g. a GPU card or a CPU core.
-Devices manage the memory of tensors and execute tensor operations on its
-execution units, e.g. CPU threads or CUDA streams.</p>
-<p>Depending on the hardware and the programming language, SINGA have implemented
+<h2><a class="anchor" aria-hidden="true" id="low-level-backend"></a><a href="#low-level-backend" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Low-level Backend</h2>
+<h3><a class="anchor" aria-hidden="true" id="device"></a><a href="#device" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Device</h3>
+<p>Each <code>Device</code> instance, i.e., a device, is created against one hardware device,
+e.g. a GPU or a CPU. <code>Device</code> manages the memory of the data structures, and
+schedules the operations for executing, e.g., on CUDA streams or CPU threads.
+Depending on the hardware and its programming language, SINGA have implemented
 the following specific device classes:</p>
 <ul>
 <li><strong>CudaGPU</strong> represents an Nvidia GPU card. The execution units are the CUDA
@@ -90,8 +87,20 @@
 many hardware devices, e.g. FPGA and ARM, the OpenclGPU has the potential to
 be extended for other devices.</li>
 </ul>
-<p>Different types of devices use different programming languages to write the
-kernel functions for tensor operations,</p>
+<h3><a class="anchor" aria-hidden="true" id="tensor"></a><a href="#tensor" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tensor</h3>
+<p><code>Tensor</code> class represents a multi-dimensional array, which stores model
+variables, e.g., the input images and feature maps from the convolution layer.
+Each <code>Tensor</code> instance (i.e. a tensor) is allocated on a a device, which manages
+the memory of the tensor and schedules the (computation) operations against
+tensors. Most machine learning algorithms could be expressed using (dense or
+sparse) the tensor abstraction and its operations. Therefore, SINGA would be
+able to run a wide range of models, including deep learning models and other
+traditional machine learning models.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator"></a><a href="#operator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p>There are two types of operators against tensors, linear algebra operators like
+matrix multiplication, and neural network specific operators like convolution
+and pooling. The linear algebra operators are provided as <code>Tensor</code> functions and
+are implemented separately for different hardware devices</p>
 <ul>
 <li>CppMath (tensor_math_cpp.h) implements the tensor operations using Cpp for
 CppCPU</li>
@@ -100,60 +109,70 @@
 <li>OpenclMath (tensor_math_opencl.h) implements the tensor operations using
 OpenCL for OpenclGPU</li>
 </ul>
-<p>In addition, different types of data, such as float32 and float16, could be
-supported by adding the corresponding tensor functions.</p>
-<p>Typically, users would create a device instance and pass it to create multiple
-tensor instances. When users call the Tensor functions, these function would
-invoke the corresponding implementation (CppMath/CudaMath/OpenclMath)
-automatically. In other words, the implementation of Tensor operations is
-transparent to users.</p>
-<p>Most machine learning algorithms could be expressed using (dense or sparse)
-tensors. Therefore, with the Tensor abstraction, SINGA would be able to run a
-wide range of models, including deep learning models and other traditional
-machine learning models.</p>
+<p>The neural network specific operators are also implemented separately, e.g.,</p>
+<ul>
+<li>GpuConvFoward (convolution.h) implements the forward function of convolution
+via CuDNN on Nvidia GPU.</li>
+<li>CpuConvForward (convolution.h) implements the forward function of convolution
+using CPP on CPU.</li>
+</ul>
+<p>Typically, users create a <code>Device</code> instance and use it to create multiple
+<code>Tensor</code> instances. When users call the Tensor functions or neural network
+operations, the corresponding implementation for the resident device will be
+invoked In other words, the implementation of operators is transparent to users.</p>
 <p>The Tensor and Device abstractions are extensible to support a wide range of
 hardware device using different programming languages. A new hardware device
 would be supported by adding a new Device subclass and the corresponding
-implementation of the Tensor operations (xxxMath).</p>
-<p>Optimizations in terms of speed and memory could be implemented by Device, which
-manages both operation execution and memory malloc/free. More optimization
-details would be described in the <a href="/docs/next/device">Device page</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
-<p>On top of the Tensor and Device abstractions, SINGA provides some higher level
-classes for machine learning modules.</p>
+implementation of the operators.</p>
+<p>Optimizations in terms of speed and memory are done by the <code>Scheduler</code> and
+<code>MemPool</code> of the <code>Device</code>. For example, the <code>Scheduler</code> creates a
+<a href="./graph">computational graph</a> according to the dependency of the operators.
+Then it can optimize the execution order of the operators for parallelism and
+memory sharing.</p>
+<h3><a class="anchor" aria-hidden="true" id="communicator"></a><a href="#communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Communicator</h3>
+<p><code>Communicator</code> is to support <a href="./dist-train">distributed training</a>. It implements
+the communication protocols using sockets, MPI and NCCL. Typically users only
+need to call the high-level APIs like <code>put()</code> and <code>get()</code> for sending and
+receiving tensors. Communication optimization for the topology, message size,
+etc. is done internally.</p>
+<h2><a class="anchor" aria-hidden="true" id="python-interface"></a><a href="#python-interface" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Interface</h2>
+<p>All the backend components are exposed as Python modules via SWIG. In addition,
+the following classes are added to support the implementation of complex neural
+networks.</p>
+<h3><a class="anchor" aria-hidden="true" id="opt"></a><a href="#opt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Opt</h3>
+<p><code>Opt</code> and its subclasses implement the methods (such as SGD) for updating model
+parameter values using parameter gradients. A subclass <a href="./dist-train">DistOpt</a>
+synchronizes the gradients across the workers for distributed training by
+calling methods from <code>Communicator</code>.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator-1"></a><a href="#operator-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p><code>Operator</code> wraps multiple functions implemented using the Tensor or neural
+network operators from the backend. For example, the forward function and
+backward function <code>ReLU</code> compose the <code>ReLU</code> operator.</p>
+<h3><a class="anchor" aria-hidden="true" id="layer"></a><a href="#layer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Layer</h3>
+<p><code>Layer</code> and its subclasses wraps the operators with parameters. For instance,
+convolution and linear operators<br>
+have weight and bias parameters. The parameters are maintained by the
+corresponding <code>Layer</code> class.</p>
+<h3><a class="anchor" aria-hidden="true" id="autograd"></a><a href="#autograd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Autograd</h3>
+<p><a href="./autograd">Autograd</a> implements the
+<a href="https://rufflewind.com/2016-12-30/reverse-mode-automatic-differentiation">reverse-mode automatic differentiation</a>
+by recording the execution of the forward functions of the operators calling the
+backward functions automatically in the reverse order. All functions can be
+buffered by the <code>Scheduler</code> to create a <a href="./graph">computational graph</a> for
+efficiency and memory optimization.</p>
+<h3><a class="anchor" aria-hidden="true" id="module"></a><a href="#module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Module</h3>
+<p><code>Module</code> provides an easy interface to implement new network models. You just
+need to inherit <code>Module</code> and define the forward propagation of the model by
+creating and calling the layers or operators. <code>Module</code> will do autograd and
+update the parameters via <code>Opt</code> automatically when training data is fed into it.</p>
+<h3><a class="anchor" aria-hidden="true" id="onnx"></a><a href="#onnx" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>ONNX</h3>
+<p>To support ONNX, SINGA implmenets a <a href="./onnx">sonnx</a> module, which includes</p>
 <ul>
-<li><p><a href="/docs/next/layer">Layer</a> and its subclasses are specific for neural networks. Every
-layer provides functions for forward propagating features and backward
-propagating gradients w.r.t the training loss functions. They wraps the
-complex layer operations so that users can easily create neural nets by
-connecting a set of layers.</p></li>
-<li><p><a href="/docs/next/initializer">Initializer</a> and its subclasses provide variant methods of
-initializing model parameters (stored in Tensor instances), following Uniform,
-Gaussian, etc.</p></li>
-<li><p><a href="/docs/next/loss">Loss</a> and its subclasses defines the training objective loss
-functions. Both functions of computing the loss values and computing the
-gradient of the prediction w.r.t the objective loss are implemented. Example
-loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/next/metric">Metric</a> and its subclasses provide the function to measure the
-performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/next/optimizer">Optimizer</a> and its subclasses implement the methods for
-updating model parameter values using parameter gradients, including SGD,
-AdaGrad, RMSProp etc.</p></li>
+<li>SingaFrontend for saving SINGA model into onnx format.</li>
+<li>SingaBackend for loading onnx format model into SINGA for training and
+inference.</li>
 </ul>
-<h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
-<p>The IO module consists of classes for data loading, data preprocessing and
-message passing.</p>
-<ul>
-<li>Reader and its subclasses load string records from disk files</li>
-<li>Writer and its subclasses write string records to disk files</li>
-<li>Encoder and its subclasses encode Tensor instances into string records</li>
-<li>Decoder and its subclasses decodes string records into Tensor instances</li>
-<li>Endpoint represents a communication endpoint which provides functions for
-passing messages to each other.</li>
-<li>Message represents communication messages between Endpoint instances. It
-carries both meta data and payload.</li>
-</ul>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/next/benchmark-train"><span>Benchmark for Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#core">Core</a></li><li><a href="#model">Model</a></li><li><a href="#io">IO</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/next/examples"><span>Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#low-level-backend">Low-level Backend</a><ul class="toc-headings"><li><a href="#device">Device</a></li><li><a href="#tensor">Tensor</a></li><li><a href="#operator">Operator</a></li><li><a href="#communicator">Communicator</a></li></ul></li><li><a href="#python-interface">Python Interface</a><ul class="toc-headings"><li><a href="#opt">Opt</a></li><li><a href="#operator-1">Operator</a></li><li><a href="#layer">Layer</a></li><li><a href="#autograd">Autograd</a></li><li><a href="#module">Module</a></li><li><a href="#onnx">ONNX</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
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-<p>SINGA's software stack includes three major components, namely, core, IO and
-model. Figure 1 illustrates these components together with the hardware. The
-core component provides memory management and tensor operations; IO has classes
-for reading (and writing) data from (to) disk and network; The model component
-provides data structures and algorithms for machine learning models, e.g.,
-layers for neural network models, optimizers/initializer/metric/loss for general
-machine learning models.</p>
-<p><img src="/docs/assets/singav1-sw.png" alt="SINGA V1 software stack"> <br/> <strong>Figure 1 - SINGA V1
+<p>SINGA's software stack includes two major levels, the low level backend classes
+and the Python interface level. Figure 1 illustrates them together with the
+hardware. The backend components provides basic data structures for deep
+learning models, hardware abstractions for scheduling and executing operations,
+and communication components for distributed training. The Python interface
+wraps some CPP data structures and provides additional high-level classes for
+neural network training, which makes it convenient to implement complex neural
+network models. Next, we introduce the software stack in a bottom-up manner.</p>
+<p><img src="/docs/assets/singav3-sw.png" alt="SINGA V3 software stack"> <br/> <strong>Figure 1 - SINGA V3
 software stack.</strong></p>
-<h2><a class="anchor" aria-hidden="true" id="core"></a><a href="#core" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Core</h2>
-<p><a href="/docs/next/tensor">Tensor</a> and <a href="/docs/next/device">Device</a> are two core abstractions in SINGA.
-Tensor class represents a multi-dimensional array, which stores model variables
-and provides linear algebra operations for machine learning algorithms,
-including matrix multiplication and random functions. Each tensor instance (i.e.
-a tensor) is allocated on a Device instance. Each Device instance (i.e. a
-device) is created against one hardware device, e.g. a GPU card or a CPU core.
-Devices manage the memory of tensors and execute tensor operations on its
-execution units, e.g. CPU threads or CUDA streams.</p>
-<p>Depending on the hardware and the programming language, SINGA have implemented
+<h2><a class="anchor" aria-hidden="true" id="low-level-backend"></a><a href="#low-level-backend" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Low-level Backend</h2>
+<h3><a class="anchor" aria-hidden="true" id="device"></a><a href="#device" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Device</h3>
+<p>Each <code>Device</code> instance, i.e., a device, is created against one hardware device,
+e.g. a GPU or a CPU. <code>Device</code> manages the memory of the data structures, and
+schedules the operations for executing, e.g., on CUDA streams or CPU threads.
+Depending on the hardware and its programming language, SINGA have implemented
 the following specific device classes:</p>
 <ul>
 <li><strong>CudaGPU</strong> represents an Nvidia GPU card. The execution units are the CUDA
@@ -90,8 +87,20 @@
 many hardware devices, e.g. FPGA and ARM, the OpenclGPU has the potential to
 be extended for other devices.</li>
 </ul>
-<p>Different types of devices use different programming languages to write the
-kernel functions for tensor operations,</p>
+<h3><a class="anchor" aria-hidden="true" id="tensor"></a><a href="#tensor" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tensor</h3>
+<p><code>Tensor</code> class represents a multi-dimensional array, which stores model
+variables, e.g., the input images and feature maps from the convolution layer.
+Each <code>Tensor</code> instance (i.e. a tensor) is allocated on a a device, which manages
+the memory of the tensor and schedules the (computation) operations against
+tensors. Most machine learning algorithms could be expressed using (dense or
+sparse) the tensor abstraction and its operations. Therefore, SINGA would be
+able to run a wide range of models, including deep learning models and other
+traditional machine learning models.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator"></a><a href="#operator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p>There are two types of operators against tensors, linear algebra operators like
+matrix multiplication, and neural network specific operators like convolution
+and pooling. The linear algebra operators are provided as <code>Tensor</code> functions and
+are implemented separately for different hardware devices</p>
 <ul>
 <li>CppMath (tensor_math_cpp.h) implements the tensor operations using Cpp for
 CppCPU</li>
@@ -100,60 +109,70 @@
 <li>OpenclMath (tensor_math_opencl.h) implements the tensor operations using
 OpenCL for OpenclGPU</li>
 </ul>
-<p>In addition, different types of data, such as float32 and float16, could be
-supported by adding the corresponding tensor functions.</p>
-<p>Typically, users would create a device instance and pass it to create multiple
-tensor instances. When users call the Tensor functions, these function would
-invoke the corresponding implementation (CppMath/CudaMath/OpenclMath)
-automatically. In other words, the implementation of Tensor operations is
-transparent to users.</p>
-<p>Most machine learning algorithms could be expressed using (dense or sparse)
-tensors. Therefore, with the Tensor abstraction, SINGA would be able to run a
-wide range of models, including deep learning models and other traditional
-machine learning models.</p>
+<p>The neural network specific operators are also implemented separately, e.g.,</p>
+<ul>
+<li>GpuConvFoward (convolution.h) implements the forward function of convolution
+via CuDNN on Nvidia GPU.</li>
+<li>CpuConvForward (convolution.h) implements the forward function of convolution
+using CPP on CPU.</li>
+</ul>
+<p>Typically, users create a <code>Device</code> instance and use it to create multiple
+<code>Tensor</code> instances. When users call the Tensor functions or neural network
+operations, the corresponding implementation for the resident device will be
+invoked In other words, the implementation of operators is transparent to users.</p>
 <p>The Tensor and Device abstractions are extensible to support a wide range of
 hardware device using different programming languages. A new hardware device
 would be supported by adding a new Device subclass and the corresponding
-implementation of the Tensor operations (xxxMath).</p>
-<p>Optimizations in terms of speed and memory could be implemented by Device, which
-manages both operation execution and memory malloc/free. More optimization
-details would be described in the <a href="/docs/next/device">Device page</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
-<p>On top of the Tensor and Device abstractions, SINGA provides some higher level
-classes for machine learning modules.</p>
+implementation of the operators.</p>
+<p>Optimizations in terms of speed and memory are done by the <code>Scheduler</code> and
+<code>MemPool</code> of the <code>Device</code>. For example, the <code>Scheduler</code> creates a
+<a href="./graph">computational graph</a> according to the dependency of the operators.
+Then it can optimize the execution order of the operators for parallelism and
+memory sharing.</p>
+<h3><a class="anchor" aria-hidden="true" id="communicator"></a><a href="#communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Communicator</h3>
+<p><code>Communicator</code> is to support <a href="./dist-train">distributed training</a>. It implements
+the communication protocols using sockets, MPI and NCCL. Typically users only
+need to call the high-level APIs like <code>put()</code> and <code>get()</code> for sending and
+receiving tensors. Communication optimization for the topology, message size,
+etc. is done internally.</p>
+<h2><a class="anchor" aria-hidden="true" id="python-interface"></a><a href="#python-interface" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Interface</h2>
+<p>All the backend components are exposed as Python modules via SWIG. In addition,
+the following classes are added to support the implementation of complex neural
+networks.</p>
+<h3><a class="anchor" aria-hidden="true" id="opt"></a><a href="#opt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Opt</h3>
+<p><code>Opt</code> and its subclasses implement the methods (such as SGD) for updating model
+parameter values using parameter gradients. A subclass <a href="./dist-train">DistOpt</a>
+synchronizes the gradients across the workers for distributed training by
+calling methods from <code>Communicator</code>.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator-1"></a><a href="#operator-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p><code>Operator</code> wraps multiple functions implemented using the Tensor or neural
+network operators from the backend. For example, the forward function and
+backward function <code>ReLU</code> compose the <code>ReLU</code> operator.</p>
+<h3><a class="anchor" aria-hidden="true" id="layer"></a><a href="#layer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Layer</h3>
+<p><code>Layer</code> and its subclasses wraps the operators with parameters. For instance,
+convolution and linear operators<br>
+have weight and bias parameters. The parameters are maintained by the
+corresponding <code>Layer</code> class.</p>
+<h3><a class="anchor" aria-hidden="true" id="autograd"></a><a href="#autograd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Autograd</h3>
+<p><a href="./autograd">Autograd</a> implements the
+<a href="https://rufflewind.com/2016-12-30/reverse-mode-automatic-differentiation">reverse-mode automatic differentiation</a>
+by recording the execution of the forward functions of the operators calling the
+backward functions automatically in the reverse order. All functions can be
+buffered by the <code>Scheduler</code> to create a <a href="./graph">computational graph</a> for
+efficiency and memory optimization.</p>
+<h3><a class="anchor" aria-hidden="true" id="module"></a><a href="#module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Module</h3>
+<p><code>Module</code> provides an easy interface to implement new network models. You just
+need to inherit <code>Module</code> and define the forward propagation of the model by
+creating and calling the layers or operators. <code>Module</code> will do autograd and
+update the parameters via <code>Opt</code> automatically when training data is fed into it.</p>
+<h3><a class="anchor" aria-hidden="true" id="onnx"></a><a href="#onnx" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>ONNX</h3>
+<p>To support ONNX, SINGA implmenets a <a href="./onnx">sonnx</a> module, which includes</p>
 <ul>
-<li><p><a href="/docs/next/layer">Layer</a> and its subclasses are specific for neural networks. Every
-layer provides functions for forward propagating features and backward
-propagating gradients w.r.t the training loss functions. They wraps the
-complex layer operations so that users can easily create neural nets by
-connecting a set of layers.</p></li>
-<li><p><a href="/docs/next/initializer">Initializer</a> and its subclasses provide variant methods of
-initializing model parameters (stored in Tensor instances), following Uniform,
-Gaussian, etc.</p></li>
-<li><p><a href="/docs/next/loss">Loss</a> and its subclasses defines the training objective loss
-functions. Both functions of computing the loss values and computing the
-gradient of the prediction w.r.t the objective loss are implemented. Example
-loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/next/metric">Metric</a> and its subclasses provide the function to measure the
-performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/next/optimizer">Optimizer</a> and its subclasses implement the methods for
-updating model parameter values using parameter gradients, including SGD,
-AdaGrad, RMSProp etc.</p></li>
+<li>SingaFrontend for saving SINGA model into onnx format.</li>
+<li>SingaBackend for loading onnx format model into SINGA for training and
+inference.</li>
 </ul>
-<h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
-<p>The IO module consists of classes for data loading, data preprocessing and
-message passing.</p>
-<ul>
-<li>Reader and its subclasses load string records from disk files</li>
-<li>Writer and its subclasses write string records to disk files</li>
-<li>Encoder and its subclasses encode Tensor instances into string records</li>
-<li>Decoder and its subclasses decodes string records into Tensor instances</li>
-<li>Endpoint represents a communication endpoint which provides functions for
-passing messages to each other.</li>
-<li>Message represents communication messages between Endpoint instances. It
-carries both meta data and payload.</li>
-</ul>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/next/benchmark-train"><span>Benchmark for Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#core">Core</a></li><li><a href="#model">Model</a></li><li><a href="#io">IO</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/next/examples"><span>Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#low-level-backend">Low-level Backend</a><ul class="toc-headings"><li><a href="#device">Device</a></li><li><a href="#tensor">Tensor</a></li><li><a href="#operator">Operator</a></li><li><a href="#communicator">Communicator</a></li></ul></li><li><a href="#python-interface">Python Interface</a><ul class="toc-headings"><li><a href="#opt">Opt</a></li><li><a href="#operator-1">Operator</a></li><li><a href="#layer">Layer</a></li><li><a href="#autograd">Autograd</a></li><li><a href="#module">Module</a></li><li><a href="#onnx">ONNX</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 <p><em>work in progress</em></p>
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 <p><em>work in progress</em></p>
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+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/next/autograd"><span>Autograd</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 <p><em>work in progress</em></p>
 <h2><a class="anchor" aria-hidden="true" id="cpp-api"></a><a href="#cpp-api" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP API</h2>
 <p><em>work in progress</em></p>
-</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/next/autograd"><span>Autograd in SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/next/autograd"><span>Autograd</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/onnx.html b/content/docs/onnx.html
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--- a/content/docs/onnx.html
+++ b/content/docs/onnx.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables
 an ability to transfer trained models between different deep learning
 frameworks. We have integrated the main functionality of ONNX into SINGA, and
@@ -692,7 +692,7 @@
 queue. The user can use <code>last_layers</code> to decide to run the model till the last
 few layers. Set <code>all_outputs</code> as <code>False</code> to get only the final output, <code>True</code> to
 also get all the intermediate output.</p>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#general-usage">General usage</a><ul class="toc-headings"><li><a href="#loading-an-onnx-model-into-singa">Loading an ONNX Model into SINGA</a></li><li><a href="#inferernce-singa-model">Inferernce SINGA model</a></li><li><a href="#saving-an-onnx-model-from-singa">Saving an ONNX Model from SINGA</a></li><li><a href="#re-training-a-onnx-model">Re-training a ONNX model</a></li><li><a href="#transfer-learning-a-onnx-model">Transfer-learning a ONNX model</a></li></ul></li><li><a href="#example-onnx-mnist-on-singa">Example: ONNX mnist on SINGA</a><ul class="toc-headings"><li><a href="#load-dataset">Load dataset</a></li><li><a href="#mnist-model">MNIST model</a></li><li><a href="#train-mnist-model-and-export-it-to-onnx">Train mnist model and export it to onnx</a></li><li><a href="#inference">Inference</a></li><li><a href="#re-training">Re-training</a></li><li><a href="#transfer-learning">Transfer learning</a></li></ul></li><li><a href="#onnx-model-zoo">ONNX model zoo</a><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-analysis">Face Analysis</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li></ul></li><li><a href="#supported-operators">Supported operators</a><ul class="toc-headings"><li><a href="#special-comments-for-onnx-backend">Special comments for ONNX backend</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#singafrontend">SingaFrontend</a></li><li><a href="#singabackend">SingaBackend</a></li><li><a href="#singarep">SingaRep</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/5/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#general-usage">General usage</a><ul class="toc-headings"><li><a href="#loading-an-onnx-model-into-singa">Loading an ONNX Model into SINGA</a></li><li><a href="#inferernce-singa-model">Inferernce SINGA model</a></li><li><a href="#saving-an-onnx-model-from-singa">Saving an ONNX Model from SINGA</a></li><li><a href="#re-training-a-onnx-model">Re-training a ONNX model</a></li><li><a href="#transfer-learning-a-onnx-model">Transfer-learning a ONNX model</a></li></ul></li><li><a href="#example-onnx-mnist-on-singa">Example: ONNX mnist on SINGA</a><ul class="toc-headings"><li><a href="#load-dataset">Load dataset</a></li><li><a href="#mnist-model">MNIST model</a></li><li><a href="#train-mnist-model-and-export-it-to-onnx">Train mnist model and export it to onnx</a></li><li><a href="#inference">Inference</a></li><li><a href="#re-training">Re-training</a></li><li><a href="#transfer-learning">Transfer learning</a></li></ul></li><li><a href="#onnx-model-zoo">ONNX model zoo</a><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-analysis">Face Analysis</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li></ul></li><li><a href="#supported-operators">Supported operators</a><ul class="toc-headings"><li><a href="#special-comments-for-onnx-backend">Special comments for ONNX backend</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#singafrontend">SingaFrontend</a></li><li><a href="#singabackend">SingaBackend</a></li><li><a href="#singarep">SingaRep</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/onnx/index.html b/content/docs/onnx/index.html
index cbc052f..e8c5928 100644
--- a/content/docs/onnx/index.html
+++ b/content/docs/onnx/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/onnx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">ONNX</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>ONNX is an open format built to represent machine learning models, which enables
 an ability to transfer trained models between different deep learning
 frameworks. We have integrated the main functionality of ONNX into SINGA, and
@@ -692,7 +692,7 @@
 queue. The user can use <code>last_layers</code> to decide to run the model till the last
 few layers. Set <code>all_outputs</code> as <code>False</code> to get only the final output, <code>True</code> to
 also get all the intermediate output.</p>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#general-usage">General usage</a><ul class="toc-headings"><li><a href="#loading-an-onnx-model-into-singa">Loading an ONNX Model into SINGA</a></li><li><a href="#inferernce-singa-model">Inferernce SINGA model</a></li><li><a href="#saving-an-onnx-model-from-singa">Saving an ONNX Model from SINGA</a></li><li><a href="#re-training-a-onnx-model">Re-training a ONNX model</a></li><li><a href="#transfer-learning-a-onnx-model">Transfer-learning a ONNX model</a></li></ul></li><li><a href="#example-onnx-mnist-on-singa">Example: ONNX mnist on SINGA</a><ul class="toc-headings"><li><a href="#load-dataset">Load dataset</a></li><li><a href="#mnist-model">MNIST model</a></li><li><a href="#train-mnist-model-and-export-it-to-onnx">Train mnist model and export it to onnx</a></li><li><a href="#inference">Inference</a></li><li><a href="#re-training">Re-training</a></li><li><a href="#transfer-learning">Transfer learning</a></li></ul></li><li><a href="#onnx-model-zoo">ONNX model zoo</a><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-analysis">Face Analysis</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li></ul></li><li><a href="#supported-operators">Supported operators</a><ul class="toc-headings"><li><a href="#special-comments-for-onnx-backend">Special comments for ONNX backend</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#singafrontend">SingaFrontend</a></li><li><a href="#singabackend">SingaBackend</a></li><li><a href="#singarep">SingaRep</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/5/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#general-usage">General usage</a><ul class="toc-headings"><li><a href="#loading-an-onnx-model-into-singa">Loading an ONNX Model into SINGA</a></li><li><a href="#inferernce-singa-model">Inferernce SINGA model</a></li><li><a href="#saving-an-onnx-model-from-singa">Saving an ONNX Model from SINGA</a></li><li><a href="#re-training-a-onnx-model">Re-training a ONNX model</a></li><li><a href="#transfer-learning-a-onnx-model">Transfer-learning a ONNX model</a></li></ul></li><li><a href="#example-onnx-mnist-on-singa">Example: ONNX mnist on SINGA</a><ul class="toc-headings"><li><a href="#load-dataset">Load dataset</a></li><li><a href="#mnist-model">MNIST model</a></li><li><a href="#train-mnist-model-and-export-it-to-onnx">Train mnist model and export it to onnx</a></li><li><a href="#inference">Inference</a></li><li><a href="#re-training">Re-training</a></li><li><a href="#transfer-learning">Transfer learning</a></li></ul></li><li><a href="#onnx-model-zoo">ONNX model zoo</a><ul class="toc-headings"><li><a href="#image-classification">Image Classification</a></li><li><a href="#object-detection">Object Detection</a></li><li><a href="#face-analysis">Face Analysis</a></li><li><a href="#machine-comprehension">Machine Comprehension</a></li></ul></li><li><a href="#supported-operators">Supported operators</a><ul class="toc-headings"><li><a href="#special-comments-for-onnx-backend">Special comments for ONNX backend</a></li></ul></li><li><a href="#implementation">Implementation</a><ul class="toc-headings"><li><a href="#singafrontend">SingaFrontend</a></li><li><a href="#singabackend">SingaBackend</a></li><li><a href="#singarep">SingaRep</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/optimizer.html b/content/docs/optimizer.html
index f200d63..60a4688 100644
--- a/content/docs/optimizer.html
+++ b/content/docs/optimizer.html
@@ -4,7 +4,7 @@
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           )
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/optimizer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Optimizer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/optimizer.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Optimizer</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
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diff --git a/content/docs/optimizer/index.html b/content/docs/optimizer/index.html
index f200d63..60a4688 100644
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diff --git a/content/docs/releases/RELEASE_NOTES_0.1.0.html b/content/docs/releases/RELEASE_NOTES_0.1.0.html
index 7daeb82..862927f 100644
--- a/content/docs/releases/RELEASE_NOTES_0.1.0.html
+++ b/content/docs/releases/RELEASE_NOTES_0.1.0.html
@@ -4,7 +4,7 @@
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           )
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -173,7 +173,7 @@
 <li><a href="https://issues.apache.org/jira/browse/SINGA-41">SINGA-41</a> Support single node
 single GPU training</li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_0.1.0/index.html b/content/docs/releases/RELEASE_NOTES_0.1.0/index.html
index 7daeb82..862927f 100644
--- a/content/docs/releases/RELEASE_NOTES_0.1.0/index.html
+++ b/content/docs/releases/RELEASE_NOTES_0.1.0/index.html
@@ -4,7 +4,7 @@
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -173,7 +173,7 @@
 <li><a href="https://issues.apache.org/jira/browse/SINGA-41">SINGA-41</a> Support single node
 single GPU training</li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_0.2.0.html b/content/docs/releases/RELEASE_NOTES_0.2.0.html
index 5cc235a..bb78075 100644
--- a/content/docs/releases/RELEASE_NOTES_0.2.0.html
+++ b/content/docs/releases/RELEASE_NOTES_0.2.0.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -108,7 +108,7 @@
 <li>[SINGA-116] Fix a bug in InnerProductLayer caused by weight matrix sharing</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_0.2.0/index.html b/content/docs/releases/RELEASE_NOTES_0.2.0/index.html
index 5cc235a..bb78075 100644
--- a/content/docs/releases/RELEASE_NOTES_0.2.0/index.html
+++ b/content/docs/releases/RELEASE_NOTES_0.2.0/index.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -108,7 +108,7 @@
 <li>[SINGA-116] Fix a bug in InnerProductLayer caused by weight matrix sharing</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/releases/RELEASE_NOTES_0.3.0.html b/content/docs/releases/RELEASE_NOTES_0.3.0.html
index 6b989c8..ffa8d77 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -42,7 +42,7 @@
 <li>[SINGA-143] The compilation cannot detect libsingagpu.so file</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_0.3.0/index.html b/content/docs/releases/RELEASE_NOTES_0.3.0/index.html
index 6b989c8..ffa8d77 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_0.3.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-0.3.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -42,7 +42,7 @@
 <li>[SINGA-143] The compilation cannot detect libsingagpu.so file</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_1.0.0.html b/content/docs/releases/RELEASE_NOTES_1.0.0.html
index 1eb4e16..ac2af7f 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -104,7 +104,7 @@
 <li>[SINGA-172] Add CMake supporting for Cuda and Cudnn libs</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_1.0.0/index.html b/content/docs/releases/RELEASE_NOTES_1.0.0/index.html
index 1eb4e16..ac2af7f 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets. It is designed with an intuitive
 programming model based on the layer abstraction. SINGA supports a wide variety
@@ -104,7 +104,7 @@
 <li>[SINGA-172] Add CMake supporting for Cuda and Cudnn libs</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_1.1.0.html b/content/docs/releases/RELEASE_NOTES_1.1.0.html
index bc535b6..59b5d48 100644
--- a/content/docs/releases/RELEASE_NOTES_1.1.0.html
+++ b/content/docs/releases/RELEASE_NOTES_1.1.0.html
@@ -4,7 +4,7 @@
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -56,7 +56,7 @@
 Python</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/releases/RELEASE_NOTES_1.1.0/index.html b/content/docs/releases/RELEASE_NOTES_1.1.0/index.html
index bc535b6..59b5d48 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.1.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.1.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -56,7 +56,7 @@
 Python</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_1.2.0.html b/content/docs/releases/RELEASE_NOTES_1.2.0.html
index eeb89c7..1b157e0 100644
--- a/content/docs/releases/RELEASE_NOTES_1.2.0.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -62,7 +62,7 @@
 <li>[SINGA-369] the errors of examples in testing</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_1.2.0/index.html b/content/docs/releases/RELEASE_NOTES_1.2.0/index.html
index eeb89c7..1b157e0 100644
--- a/content/docs/releases/RELEASE_NOTES_1.2.0/index.html
+++ b/content/docs/releases/RELEASE_NOTES_1.2.0/index.html
@@ -4,7 +4,7 @@
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_1.2.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-1.2.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -62,7 +62,7 @@
 <li>[SINGA-369] the errors of examples in testing</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_2.0.0.html b/content/docs/releases/RELEASE_NOTES_2.0.0.html
index 7e9703d..6a46faa 100644
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+++ b/content/docs/releases/RELEASE_NOTES_2.0.0.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -58,7 +58,7 @@
 <li>[SINGA-380] Fix bugs from Reshape</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/releases/RELEASE_NOTES_2.0.0/index.html b/content/docs/releases/RELEASE_NOTES_2.0.0/index.html
index 7e9703d..6a46faa 100644
--- a/content/docs/releases/RELEASE_NOTES_2.0.0/index.html
+++ b/content/docs/releases/RELEASE_NOTES_2.0.0/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/singa-doc/blob/master/docs/releases/RELEASE_NOTES_2.0.0.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">singa-incubating-2.0.0 Release Notes</h1></header><article><div><span><!--- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.  -->
 <p>SINGA is a general distributed deep learning platform for training big deep
 learning models over large datasets.</p>
 <p>This release includes following features:</p>
@@ -58,7 +58,7 @@
 <li>[SINGA-380] Fix bugs from Reshape</li>
 </ul></li>
 </ul>
-</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/security.html b/content/docs/security.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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 <p>Users can report security vulnerabilities to
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+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/issue-tracking"><span class="arrow-prev">← </span><span>Issue Tracking</span></a><a class="docs-next button" href="/docs/team-list"><span>The SINGA Team</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/security/index.html b/content/docs/security/index.html
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diff --git a/content/docs/software-stack.html b/content/docs/software-stack.html
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-<p>SINGA's software stack includes three major components, namely, core, IO and
-model. Figure 1 illustrates these components together with the hardware. The
-core component provides memory management and tensor operations; IO has classes
-for reading (and writing) data from (to) disk and network; The model component
-provides data structures and algorithms for machine learning models, e.g.,
-layers for neural network models, optimizers/initializer/metric/loss for general
-machine learning models.</p>
-<p><img src="/docs/assets/singav1-sw.png" alt="SINGA V1 software stack"> <br/> <strong>Figure 1 - SINGA V1
+<p>SINGA's software stack includes two major levels, the low level backend classes
+and the Python interface level. Figure 1 illustrates them together with the
+hardware. The backend components provides basic data structures for deep
+learning models, hardware abstractions for scheduling and executing operations,
+and communication components for distributed training. The Python interface
+wraps some CPP data structures and provides additional high-level classes for
+neural network training, which makes it convenient to implement complex neural
+network models. Next, we introduce the software stack in a bottom-up manner.</p>
+<p><img src="/docs/assets/singav3-sw.png" alt="SINGA V3 software stack"> <br/> <strong>Figure 1 - SINGA V3
 software stack.</strong></p>
-<h2><a class="anchor" aria-hidden="true" id="core"></a><a href="#core" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Core</h2>
-<p><a href="/docs/tensor">Tensor</a> and <a href="/docs/device">Device</a> are two core abstractions in SINGA.
-Tensor class represents a multi-dimensional array, which stores model variables
-and provides linear algebra operations for machine learning algorithms,
-including matrix multiplication and random functions. Each tensor instance (i.e.
-a tensor) is allocated on a Device instance. Each Device instance (i.e. a
-device) is created against one hardware device, e.g. a GPU card or a CPU core.
-Devices manage the memory of tensors and execute tensor operations on its
-execution units, e.g. CPU threads or CUDA streams.</p>
-<p>Depending on the hardware and the programming language, SINGA have implemented
+<h2><a class="anchor" aria-hidden="true" id="low-level-backend"></a><a href="#low-level-backend" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Low-level Backend</h2>
+<h3><a class="anchor" aria-hidden="true" id="device"></a><a href="#device" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Device</h3>
+<p>Each <code>Device</code> instance, i.e., a device, is created against one hardware device,
+e.g. a GPU or a CPU. <code>Device</code> manages the memory of the data structures, and
+schedules the operations for executing, e.g., on CUDA streams or CPU threads.
+Depending on the hardware and its programming language, SINGA have implemented
 the following specific device classes:</p>
 <ul>
 <li><strong>CudaGPU</strong> represents an Nvidia GPU card. The execution units are the CUDA
@@ -90,8 +87,20 @@
 many hardware devices, e.g. FPGA and ARM, the OpenclGPU has the potential to
 be extended for other devices.</li>
 </ul>
-<p>Different types of devices use different programming languages to write the
-kernel functions for tensor operations,</p>
+<h3><a class="anchor" aria-hidden="true" id="tensor"></a><a href="#tensor" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tensor</h3>
+<p><code>Tensor</code> class represents a multi-dimensional array, which stores model
+variables, e.g., the input images and feature maps from the convolution layer.
+Each <code>Tensor</code> instance (i.e. a tensor) is allocated on a a device, which manages
+the memory of the tensor and schedules the (computation) operations against
+tensors. Most machine learning algorithms could be expressed using (dense or
+sparse) the tensor abstraction and its operations. Therefore, SINGA would be
+able to run a wide range of models, including deep learning models and other
+traditional machine learning models.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator"></a><a href="#operator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p>There are two types of operators against tensors, linear algebra operators like
+matrix multiplication, and neural network specific operators like convolution
+and pooling. The linear algebra operators are provided as <code>Tensor</code> functions and
+are implemented separately for different hardware devices</p>
 <ul>
 <li>CppMath (tensor_math_cpp.h) implements the tensor operations using Cpp for
 CppCPU</li>
@@ -100,60 +109,70 @@
 <li>OpenclMath (tensor_math_opencl.h) implements the tensor operations using
 OpenCL for OpenclGPU</li>
 </ul>
-<p>In addition, different types of data, such as float32 and float16, could be
-supported by adding the corresponding tensor functions.</p>
-<p>Typically, users would create a device instance and pass it to create multiple
-tensor instances. When users call the Tensor functions, these function would
-invoke the corresponding implementation (CppMath/CudaMath/OpenclMath)
-automatically. In other words, the implementation of Tensor operations is
-transparent to users.</p>
-<p>Most machine learning algorithms could be expressed using (dense or sparse)
-tensors. Therefore, with the Tensor abstraction, SINGA would be able to run a
-wide range of models, including deep learning models and other traditional
-machine learning models.</p>
+<p>The neural network specific operators are also implemented separately, e.g.,</p>
+<ul>
+<li>GpuConvFoward (convolution.h) implements the forward function of convolution
+via CuDNN on Nvidia GPU.</li>
+<li>CpuConvForward (convolution.h) implements the forward function of convolution
+using CPP on CPU.</li>
+</ul>
+<p>Typically, users create a <code>Device</code> instance and use it to create multiple
+<code>Tensor</code> instances. When users call the Tensor functions or neural network
+operations, the corresponding implementation for the resident device will be
+invoked In other words, the implementation of operators is transparent to users.</p>
 <p>The Tensor and Device abstractions are extensible to support a wide range of
 hardware device using different programming languages. A new hardware device
 would be supported by adding a new Device subclass and the corresponding
-implementation of the Tensor operations (xxxMath).</p>
-<p>Optimizations in terms of speed and memory could be implemented by Device, which
-manages both operation execution and memory malloc/free. More optimization
-details would be described in the <a href="/docs/device">Device page</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
-<p>On top of the Tensor and Device abstractions, SINGA provides some higher level
-classes for machine learning modules.</p>
+implementation of the operators.</p>
+<p>Optimizations in terms of speed and memory are done by the <code>Scheduler</code> and
+<code>MemPool</code> of the <code>Device</code>. For example, the <code>Scheduler</code> creates a
+<a href="./graph">computational graph</a> according to the dependency of the operators.
+Then it can optimize the execution order of the operators for parallelism and
+memory sharing.</p>
+<h3><a class="anchor" aria-hidden="true" id="communicator"></a><a href="#communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Communicator</h3>
+<p><code>Communicator</code> is to support <a href="./dist-train">distributed training</a>. It implements
+the communication protocols using sockets, MPI and NCCL. Typically users only
+need to call the high-level APIs like <code>put()</code> and <code>get()</code> for sending and
+receiving tensors. Communication optimization for the topology, message size,
+etc. is done internally.</p>
+<h2><a class="anchor" aria-hidden="true" id="python-interface"></a><a href="#python-interface" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Interface</h2>
+<p>All the backend components are exposed as Python modules via SWIG. In addition,
+the following classes are added to support the implementation of complex neural
+networks.</p>
+<h3><a class="anchor" aria-hidden="true" id="opt"></a><a href="#opt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Opt</h3>
+<p><code>Opt</code> and its subclasses implement the methods (such as SGD) for updating model
+parameter values using parameter gradients. A subclass <a href="./dist-train">DistOpt</a>
+synchronizes the gradients across the workers for distributed training by
+calling methods from <code>Communicator</code>.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator-1"></a><a href="#operator-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p><code>Operator</code> wraps multiple functions implemented using the Tensor or neural
+network operators from the backend. For example, the forward function and
+backward function <code>ReLU</code> compose the <code>ReLU</code> operator.</p>
+<h3><a class="anchor" aria-hidden="true" id="layer"></a><a href="#layer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Layer</h3>
+<p><code>Layer</code> and its subclasses wraps the operators with parameters. For instance,
+convolution and linear operators<br>
+have weight and bias parameters. The parameters are maintained by the
+corresponding <code>Layer</code> class.</p>
+<h3><a class="anchor" aria-hidden="true" id="autograd"></a><a href="#autograd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Autograd</h3>
+<p><a href="./autograd">Autograd</a> implements the
+<a href="https://rufflewind.com/2016-12-30/reverse-mode-automatic-differentiation">reverse-mode automatic differentiation</a>
+by recording the execution of the forward functions of the operators calling the
+backward functions automatically in the reverse order. All functions can be
+buffered by the <code>Scheduler</code> to create a <a href="./graph">computational graph</a> for
+efficiency and memory optimization.</p>
+<h3><a class="anchor" aria-hidden="true" id="module"></a><a href="#module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Module</h3>
+<p><code>Module</code> provides an easy interface to implement new network models. You just
+need to inherit <code>Module</code> and define the forward propagation of the model by
+creating and calling the layers or operators. <code>Module</code> will do autograd and
+update the parameters via <code>Opt</code> automatically when training data is fed into it.</p>
+<h3><a class="anchor" aria-hidden="true" id="onnx"></a><a href="#onnx" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>ONNX</h3>
+<p>To support ONNX, SINGA implmenets a <a href="./onnx">sonnx</a> module, which includes</p>
 <ul>
-<li><p><a href="/docs/layer">Layer</a> and its subclasses are specific for neural networks. Every
-layer provides functions for forward propagating features and backward
-propagating gradients w.r.t the training loss functions. They wraps the
-complex layer operations so that users can easily create neural nets by
-connecting a set of layers.</p></li>
-<li><p><a href="/docs/initializer">Initializer</a> and its subclasses provide variant methods of
-initializing model parameters (stored in Tensor instances), following Uniform,
-Gaussian, etc.</p></li>
-<li><p><a href="/docs/loss">Loss</a> and its subclasses defines the training objective loss
-functions. Both functions of computing the loss values and computing the
-gradient of the prediction w.r.t the objective loss are implemented. Example
-loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/metric">Metric</a> and its subclasses provide the function to measure the
-performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/optimizer">Optimizer</a> and its subclasses implement the methods for
-updating model parameter values using parameter gradients, including SGD,
-AdaGrad, RMSProp etc.</p></li>
+<li>SingaFrontend for saving SINGA model into onnx format.</li>
+<li>SingaBackend for loading onnx format model into SINGA for training and
+inference.</li>
 </ul>
-<h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
-<p>The IO module consists of classes for data loading, data preprocessing and
-message passing.</p>
-<ul>
-<li>Reader and its subclasses load string records from disk files</li>
-<li>Writer and its subclasses write string records to disk files</li>
-<li>Encoder and its subclasses encode Tensor instances into string records</li>
-<li>Decoder and its subclasses decodes string records into Tensor instances</li>
-<li>Endpoint represents a communication endpoint which provides functions for
-passing messages to each other.</li>
-<li>Message represents communication messages between Endpoint instances. It
-carries both meta data and payload.</li>
-</ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/benchmark-train"><span>Benchmark for Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#core">Core</a></li><li><a href="#model">Model</a></li><li><a href="#io">IO</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/examples"><span>Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#low-level-backend">Low-level Backend</a><ul class="toc-headings"><li><a href="#device">Device</a></li><li><a href="#tensor">Tensor</a></li><li><a href="#operator">Operator</a></li><li><a href="#communicator">Communicator</a></li></ul></li><li><a href="#python-interface">Python Interface</a><ul class="toc-headings"><li><a href="#opt">Opt</a></li><li><a href="#operator-1">Operator</a></li><li><a href="#layer">Layer</a></li><li><a href="#autograd">Autograd</a></li><li><a href="#module">Module</a></li><li><a href="#onnx">ONNX</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
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-<p>SINGA's software stack includes three major components, namely, core, IO and
-model. Figure 1 illustrates these components together with the hardware. The
-core component provides memory management and tensor operations; IO has classes
-for reading (and writing) data from (to) disk and network; The model component
-provides data structures and algorithms for machine learning models, e.g.,
-layers for neural network models, optimizers/initializer/metric/loss for general
-machine learning models.</p>
-<p><img src="/docs/assets/singav1-sw.png" alt="SINGA V1 software stack"> <br/> <strong>Figure 1 - SINGA V1
+<p>SINGA's software stack includes two major levels, the low level backend classes
+and the Python interface level. Figure 1 illustrates them together with the
+hardware. The backend components provides basic data structures for deep
+learning models, hardware abstractions for scheduling and executing operations,
+and communication components for distributed training. The Python interface
+wraps some CPP data structures and provides additional high-level classes for
+neural network training, which makes it convenient to implement complex neural
+network models. Next, we introduce the software stack in a bottom-up manner.</p>
+<p><img src="/docs/assets/singav3-sw.png" alt="SINGA V3 software stack"> <br/> <strong>Figure 1 - SINGA V3
 software stack.</strong></p>
-<h2><a class="anchor" aria-hidden="true" id="core"></a><a href="#core" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Core</h2>
-<p><a href="/docs/tensor">Tensor</a> and <a href="/docs/device">Device</a> are two core abstractions in SINGA.
-Tensor class represents a multi-dimensional array, which stores model variables
-and provides linear algebra operations for machine learning algorithms,
-including matrix multiplication and random functions. Each tensor instance (i.e.
-a tensor) is allocated on a Device instance. Each Device instance (i.e. a
-device) is created against one hardware device, e.g. a GPU card or a CPU core.
-Devices manage the memory of tensors and execute tensor operations on its
-execution units, e.g. CPU threads or CUDA streams.</p>
-<p>Depending on the hardware and the programming language, SINGA have implemented
+<h2><a class="anchor" aria-hidden="true" id="low-level-backend"></a><a href="#low-level-backend" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Low-level Backend</h2>
+<h3><a class="anchor" aria-hidden="true" id="device"></a><a href="#device" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Device</h3>
+<p>Each <code>Device</code> instance, i.e., a device, is created against one hardware device,
+e.g. a GPU or a CPU. <code>Device</code> manages the memory of the data structures, and
+schedules the operations for executing, e.g., on CUDA streams or CPU threads.
+Depending on the hardware and its programming language, SINGA have implemented
 the following specific device classes:</p>
 <ul>
 <li><strong>CudaGPU</strong> represents an Nvidia GPU card. The execution units are the CUDA
@@ -90,8 +87,20 @@
 many hardware devices, e.g. FPGA and ARM, the OpenclGPU has the potential to
 be extended for other devices.</li>
 </ul>
-<p>Different types of devices use different programming languages to write the
-kernel functions for tensor operations,</p>
+<h3><a class="anchor" aria-hidden="true" id="tensor"></a><a href="#tensor" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tensor</h3>
+<p><code>Tensor</code> class represents a multi-dimensional array, which stores model
+variables, e.g., the input images and feature maps from the convolution layer.
+Each <code>Tensor</code> instance (i.e. a tensor) is allocated on a a device, which manages
+the memory of the tensor and schedules the (computation) operations against
+tensors. Most machine learning algorithms could be expressed using (dense or
+sparse) the tensor abstraction and its operations. Therefore, SINGA would be
+able to run a wide range of models, including deep learning models and other
+traditional machine learning models.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator"></a><a href="#operator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p>There are two types of operators against tensors, linear algebra operators like
+matrix multiplication, and neural network specific operators like convolution
+and pooling. The linear algebra operators are provided as <code>Tensor</code> functions and
+are implemented separately for different hardware devices</p>
 <ul>
 <li>CppMath (tensor_math_cpp.h) implements the tensor operations using Cpp for
 CppCPU</li>
@@ -100,60 +109,70 @@
 <li>OpenclMath (tensor_math_opencl.h) implements the tensor operations using
 OpenCL for OpenclGPU</li>
 </ul>
-<p>In addition, different types of data, such as float32 and float16, could be
-supported by adding the corresponding tensor functions.</p>
-<p>Typically, users would create a device instance and pass it to create multiple
-tensor instances. When users call the Tensor functions, these function would
-invoke the corresponding implementation (CppMath/CudaMath/OpenclMath)
-automatically. In other words, the implementation of Tensor operations is
-transparent to users.</p>
-<p>Most machine learning algorithms could be expressed using (dense or sparse)
-tensors. Therefore, with the Tensor abstraction, SINGA would be able to run a
-wide range of models, including deep learning models and other traditional
-machine learning models.</p>
+<p>The neural network specific operators are also implemented separately, e.g.,</p>
+<ul>
+<li>GpuConvFoward (convolution.h) implements the forward function of convolution
+via CuDNN on Nvidia GPU.</li>
+<li>CpuConvForward (convolution.h) implements the forward function of convolution
+using CPP on CPU.</li>
+</ul>
+<p>Typically, users create a <code>Device</code> instance and use it to create multiple
+<code>Tensor</code> instances. When users call the Tensor functions or neural network
+operations, the corresponding implementation for the resident device will be
+invoked In other words, the implementation of operators is transparent to users.</p>
 <p>The Tensor and Device abstractions are extensible to support a wide range of
 hardware device using different programming languages. A new hardware device
 would be supported by adding a new Device subclass and the corresponding
-implementation of the Tensor operations (xxxMath).</p>
-<p>Optimizations in terms of speed and memory could be implemented by Device, which
-manages both operation execution and memory malloc/free. More optimization
-details would be described in the <a href="/docs/device">Device page</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="model"></a><a href="#model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Model</h2>
-<p>On top of the Tensor and Device abstractions, SINGA provides some higher level
-classes for machine learning modules.</p>
+implementation of the operators.</p>
+<p>Optimizations in terms of speed and memory are done by the <code>Scheduler</code> and
+<code>MemPool</code> of the <code>Device</code>. For example, the <code>Scheduler</code> creates a
+<a href="./graph">computational graph</a> according to the dependency of the operators.
+Then it can optimize the execution order of the operators for parallelism and
+memory sharing.</p>
+<h3><a class="anchor" aria-hidden="true" id="communicator"></a><a href="#communicator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Communicator</h3>
+<p><code>Communicator</code> is to support <a href="./dist-train">distributed training</a>. It implements
+the communication protocols using sockets, MPI and NCCL. Typically users only
+need to call the high-level APIs like <code>put()</code> and <code>get()</code> for sending and
+receiving tensors. Communication optimization for the topology, message size,
+etc. is done internally.</p>
+<h2><a class="anchor" aria-hidden="true" id="python-interface"></a><a href="#python-interface" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Interface</h2>
+<p>All the backend components are exposed as Python modules via SWIG. In addition,
+the following classes are added to support the implementation of complex neural
+networks.</p>
+<h3><a class="anchor" aria-hidden="true" id="opt"></a><a href="#opt" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Opt</h3>
+<p><code>Opt</code> and its subclasses implement the methods (such as SGD) for updating model
+parameter values using parameter gradients. A subclass <a href="./dist-train">DistOpt</a>
+synchronizes the gradients across the workers for distributed training by
+calling methods from <code>Communicator</code>.</p>
+<h3><a class="anchor" aria-hidden="true" id="operator-1"></a><a href="#operator-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Operator</h3>
+<p><code>Operator</code> wraps multiple functions implemented using the Tensor or neural
+network operators from the backend. For example, the forward function and
+backward function <code>ReLU</code> compose the <code>ReLU</code> operator.</p>
+<h3><a class="anchor" aria-hidden="true" id="layer"></a><a href="#layer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Layer</h3>
+<p><code>Layer</code> and its subclasses wraps the operators with parameters. For instance,
+convolution and linear operators<br>
+have weight and bias parameters. The parameters are maintained by the
+corresponding <code>Layer</code> class.</p>
+<h3><a class="anchor" aria-hidden="true" id="autograd"></a><a href="#autograd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Autograd</h3>
+<p><a href="./autograd">Autograd</a> implements the
+<a href="https://rufflewind.com/2016-12-30/reverse-mode-automatic-differentiation">reverse-mode automatic differentiation</a>
+by recording the execution of the forward functions of the operators calling the
+backward functions automatically in the reverse order. All functions can be
+buffered by the <code>Scheduler</code> to create a <a href="./graph">computational graph</a> for
+efficiency and memory optimization.</p>
+<h3><a class="anchor" aria-hidden="true" id="module"></a><a href="#module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Module</h3>
+<p><code>Module</code> provides an easy interface to implement new network models. You just
+need to inherit <code>Module</code> and define the forward propagation of the model by
+creating and calling the layers or operators. <code>Module</code> will do autograd and
+update the parameters via <code>Opt</code> automatically when training data is fed into it.</p>
+<h3><a class="anchor" aria-hidden="true" id="onnx"></a><a href="#onnx" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>ONNX</h3>
+<p>To support ONNX, SINGA implmenets a <a href="./onnx">sonnx</a> module, which includes</p>
 <ul>
-<li><p><a href="/docs/layer">Layer</a> and its subclasses are specific for neural networks. Every
-layer provides functions for forward propagating features and backward
-propagating gradients w.r.t the training loss functions. They wraps the
-complex layer operations so that users can easily create neural nets by
-connecting a set of layers.</p></li>
-<li><p><a href="/docs/initializer">Initializer</a> and its subclasses provide variant methods of
-initializing model parameters (stored in Tensor instances), following Uniform,
-Gaussian, etc.</p></li>
-<li><p><a href="/docs/loss">Loss</a> and its subclasses defines the training objective loss
-functions. Both functions of computing the loss values and computing the
-gradient of the prediction w.r.t the objective loss are implemented. Example
-loss functions include squared error and cross entropy.</p></li>
-<li><p><a href="/docs/metric">Metric</a> and its subclasses provide the function to measure the
-performance of the model, e.g., the accuracy.</p></li>
-<li><p><a href="/docs/optimizer">Optimizer</a> and its subclasses implement the methods for
-updating model parameter values using parameter gradients, including SGD,
-AdaGrad, RMSProp etc.</p></li>
+<li>SingaFrontend for saving SINGA model into onnx format.</li>
+<li>SingaBackend for loading onnx format model into SINGA for training and
+inference.</li>
 </ul>
-<h2><a class="anchor" aria-hidden="true" id="io"></a><a href="#io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO</h2>
-<p>The IO module consists of classes for data loading, data preprocessing and
-message passing.</p>
-<ul>
-<li>Reader and its subclasses load string records from disk files</li>
-<li>Writer and its subclasses write string records to disk files</li>
-<li>Encoder and its subclasses encode Tensor instances into string records</li>
-<li>Decoder and its subclasses decodes string records into Tensor instances</li>
-<li>Endpoint represents a communication endpoint which provides functions for
-passing messages to each other.</li>
-<li>Message represents communication messages between Endpoint instances. It
-carries both meta data and payload.</li>
-</ul>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/benchmark-train"><span>Benchmark for Distributed Training</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#core">Core</a></li><li><a href="#model">Model</a></li><li><a href="#io">IO</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/9/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/installation"><span class="arrow-prev">← </span><span>Installation</span></a><a class="docs-next button" href="/docs/examples"><span>Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#low-level-backend">Low-level Backend</a><ul class="toc-headings"><li><a href="#device">Device</a></li><li><a href="#tensor">Tensor</a></li><li><a href="#operator">Operator</a></li><li><a href="#communicator">Communicator</a></li></ul></li><li><a href="#python-interface">Python Interface</a><ul class="toc-headings"><li><a href="#opt">Opt</a></li><li><a href="#operator-1">Operator</a></li><li><a href="#layer">Layer</a></li><li><a href="#autograd">Autograd</a></li><li><a href="#module">Module</a></li><li><a href="#onnx">ONNX</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/source-repository.html b/content/docs/source-repository.html
index b5b184e..bd81be5 100644
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+++ b/content/docs/source-repository.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -75,7 +75,7 @@
 <p>The code can be cloned from either repo, e.g.,</p>
 <pre><code class="hljs">git clone https://github.com/apache/singa.git
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/mail-lists"><span>Project Mailing Lists</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#repository">Repository</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/mail-lists"><span>Project Mailing Lists</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#repository">Repository</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/docs/source-repository/index.html b/content/docs/source-repository/index.html
index b5b184e..bd81be5 100644
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive siteNavItemActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem navListItemActive"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -75,7 +75,7 @@
 <p>The code can be cloned from either repo, e.g.,</p>
 <pre><code class="hljs">git clone https://github.com/apache/singa.git
 </code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/mail-lists"><span>Project Mailing Lists</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#repository">Repository</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/mail-lists"><span>Project Mailing Lists</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#repository">Repository</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/team-list.html b/content/docs/team-list.html
index 0dcad22..272ced3 100644
--- a/content/docs/team-list.html
+++ b/content/docs/team-list.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
             var coll = document.getElementsByClassName('collapsible');
             var checkActiveCategory = true;
             for (var i = 0; i < coll.length; i++) {
@@ -120,7 +120,7 @@
 <tr><td>Rulin Xing</td><td><a href="mailto:xjdkcsq3@gmail.com">xjdkcsq3@gmail.com</a></td><td>Huazhong University of Science and Technology</td></tr>
 </tbody>
 </table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/security"><span class="arrow-prev">← </span><span>Security</span></a><a class="docs-next button" href="/docs/history-singa"><span>History of SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#pmc">PMC</a></li><li><a href="#committers">Committers</a></li><li><a href="#contributors">Contributors</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/2/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/security"><span class="arrow-prev">← </span><span>Security</span></a><a class="docs-next button" href="/docs/history-singa"><span>History of SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#pmc">PMC</a></li><li><a href="#committers">Committers</a></li><li><a href="#contributors">Contributors</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/docs/team-list/index.html b/content/docs/team-list/index.html
index 0dcad22..272ced3 100644
--- a/content/docs/team-list/index.html
+++ b/content/docs/team-list/index.html
@@ -4,7 +4,7 @@
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           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class="siteNavGroupActive"><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>Community</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Community</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/source-repository">Source Repository</a></li><li class="navListItem"><a class="navItem" href="/docs/mail-lists">Project Mailing Lists</a></li><li class="navListItem"><a class="navItem" href="/docs/issue-tracking">Issue Tracking</a></li><li class="navListItem"><a class="navItem" href="/docs/security">Security</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/team-list">The SINGA Team</a></li><li class="navListItem"><a class="navItem" href="/docs/history-singa">History of SINGA</a></li></ul></div></div></section></div><script>
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@@ -120,7 +120,7 @@
 <tr><td>Rulin Xing</td><td><a href="mailto:xjdkcsq3@gmail.com">xjdkcsq3@gmail.com</a></td><td>Huazhong University of Science and Technology</td></tr>
 </tbody>
 </table>
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 <p><em>work in progress</em></p>
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-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/autograd"><span>Autograd in SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/autograd"><span>Autograd</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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 <p><em>work in progress</em></p>
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 <p><em>work in progress</em></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/autograd"><span>Autograd in SINGA</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2020</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/device"><span class="arrow-prev">← </span><span>Device</span></a><a class="docs-next button" href="/docs/autograd"><span>Autograd</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#tensor-usage">Tensor Usage</a><ul class="toc-headings"><li><a href="#create-tensor">Create Tensor</a></li><li><a href="#convert-to-numpy">Convert to numpy</a></li><li><a href="#tensor-methods">Tensor Methods</a></li><li><a href="#tensor-arithmetic-methods">Tensor Arithmetic Methods</a></li><li><a href="#tensor-functions">Tensor Functions</a></li><li><a href="#tensor-on-different-devices">Tensor on Different Devices</a></li><li><a href="#simple-neural-network-example">Simple Neural Network Example</a></li></ul></li><li><a href="#tensor-implementation">Tensor Implementation</a><ul class="toc-headings"><li><a href="#python-tensor">Python Tensor</a></li><li><a href="#c-tensor">C++ Tensor</a></li><li><a href="#exposing-c-apis-to-python">Exposing C++ APIs to Python</a></li><li><a href="#create-new-tensor-functions">Create New Tensor Functions</a></li></ul></li><li><a href="#python-api">Python API</a></li><li><a href="#cpp-api">CPP API</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
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diff --git a/content/en/index.html b/content/en/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="index-hero"><img style="display:none" src="/img/sg-botanic-coleen-rivas-unsplash.jpg" alt="increase priority"/><div class="index-hero-inner"><img alt="SINGA-Ocean" class="index-hero-logo" src="/img/singa.png"/><h1 class="index-hero-project-tagline">A Distributed Deep Learning Platform</h1><div class="index-ctas"><a class="button index-ctas-get-started-button" href="/docs/en/installation">Get Started</a><span class="index-ctas-github-button"><iframe src="https://ghbtns.com/github-btn.html?user=apache&amp;repo=singa&amp;type=star&amp;count=true&amp;size=large" frameBorder="0" scrolling="0" width="160" height="30" title="GitHub Stars"></iframe></span></div></div></div><div class="announcement"><div class="announcement-inner">Apache SINGA is an <a href="https://blogs.apache.org/foundation/entry/the-apache-software-foundation-announces57">Apache Top Level Project</a>, open source distributed training platform for deep learning and machine learning models</div></div><div class="mainContainer"><div class="container mainPageContainer paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignLeft twoByGridBlock"><div class="blockImage"><img src="/img/overview.png" alt="Distributed Learning"/></div><div class="blockContent"><h2><div><span><p>Distributed Learning</p>
-</span></div></h2><div><span><p>Apache SINGA focuses on <a href="https://dl.acm.org/citation.cfm?doid=2733373.2807410">distributed</a>
-deep learning by partitioning the model and data onto nodes in a cluster and
-<a href="https://dl.acm.org/citation.cfm?doid=2733373.2806232">parallelize</a> the training</p>
-</span></div></div></div></div></div></div><div class="container mainPageContainer lightBackground paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignRight twoByGridBlock"><div class="blockContent"><h2><div><span><p>AutoML and Model Zoo</p>
-</span></div></h2><div><span><p>Apache SINGA v2.0.0 has AutoML features, a Healthcare
-<a href="/docs/en/model-zoo-cnn-cifar10">model zoo</a>,
-and facility for porting other models onto SINGA</p>
-</span></div></div><div class="blockImage"><img src="/img/singav1-sw.png" alt="AutoML and Model Zoo"/></div></div></div></div></div><div class="productShowcaseSection paddingBottom"><h2 style="color:#904600">Users of Apache SINGA</h2><p>Apache SINGA powers the following organizations and companies...</p><div class="showcase"><a class="link" href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/><span class="caption">NetEase</span></a><a class="link" href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/><span class="caption">NUH SG</span></a><a class="link" href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/><span class="caption">SGH SG</span></a><a class="link" href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/><span class="caption">TTSH SG</span></a><a class="link" href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/><span class="caption">JurongHealth SG</span></a><a class="link" href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/><span class="caption">yzBigData</span></a><a class="link" href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/><span class="caption">Shentilium</span></a><a class="link" href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/><span class="caption">Foodlg</span></a><a class="link" href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/><span class="caption">Medilot</span></a><a class="link" href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/><span class="caption">MZH Tech</span></a></div><div class="more-users"><a class="button" href="/en/users">All Apache SINGA Users</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="index-hero"><img style="display:none" src="/img/sg-botanic-coleen-rivas-unsplash.jpg" alt="increase priority"/><div class="index-hero-inner"><img alt="SINGA-Ocean" class="index-hero-logo" src="/img/singa.png"/><h1 class="index-hero-project-tagline">A Distributed Deep Learning Library</h1><div class="index-ctas"><a class="button index-ctas-get-started-button" href="/docs/en/installation">Get Started</a><span class="index-ctas-github-button"><iframe src="https://ghbtns.com/github-btn.html?user=apache&amp;repo=singa&amp;type=star&amp;count=true&amp;size=large" frameBorder="0" scrolling="0" width="160" height="30" title="GitHub Stars"></iframe></span></div></div></div><div class="announcement"><div class="announcement-inner">Apache SINGA is an <a href="https://blogs.apache.org/foundation/entry/the-apache-software-foundation-announces57">Apache Top Level Project</a>, focusing on distributed training of deep learning and machine learning models</div></div><div class="mainContainer"><div class="container mainPageContainer paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignLeft twoByGridBlock"><div class="blockImage"><img src="/img/benchmark.png" alt="Scalbility"/></div><div class="blockContent"><h2><div><span><p>Scalablility</p>
+</span></div></h2><div><span><p>SINGA <a href="./docs/dist-train">parallelizes the training and optimizes the communication cost</a> to improve training scalability.</p>
+</span></div></div></div></div></div></div><div class="container mainPageContainer lightBackground paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignRight twoByGridBlock"><div class="blockContent"><h2><div><span><p>Efficiency</p>
+</span></div></h2><div><span><p>SINGA <a href="./docs/graph">builds a computational graph</a> to optimizes the training speed and memory footprint.</p>
+</span></div></div><div class="blockImage"><img src="/img/GraphOfMLP.png" alt="Efficiency"/></div></div></div></div></div><div class="container mainPageContainer paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignLeft twoByGridBlock"><div class="blockImage"><img src="/img/singav3-sw.png" alt="Usability"/></div><div class="blockContent"><h2><div><span><p>Usability</p>
+</span></div></h2><div><span><p>SINGA has a simple <a href="./docs/software-stack">software stack and Python interface</a> to improve usability.</p>
+</span></div></div></div></div></div></div><div class="productShowcaseSection paddingBottom"><h2 style="color:#904600">Users of Apache SINGA</h2><p>Apache SINGA powers the following organizations and companies...</p><div class="showcase"><a class="link" href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/><span class="caption">NetEase</span></a><a class="link" href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/><span class="caption">NUH SG</span></a><a class="link" href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/><span class="caption">SGH SG</span></a><a class="link" href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/><span class="caption">TTSH SG</span></a><a class="link" href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/><span class="caption">JurongHealth SG</span></a><a class="link" href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/><span class="caption">yzBigData</span></a><a class="link" href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/><span class="caption">Shentilium</span></a><a class="link" href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/><span class="caption">Foodlg</span></a><a class="link" href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/><span class="caption">Medilot</span></a><a class="link" href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/><span class="caption">MZH Tech</span></a></div><div class="more-users"><a class="button" href="/en/users">All Apache SINGA Users</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/en/users.html b/content/en/users.html
index f7a01bb..52baf4b 100644
--- a/content/en/users.html
+++ b/content/en/users.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/en/users/index.html b/content/en/users/index.html
index f7a01bb..52baf4b 100644
--- a/content/en/users/index.html
+++ b/content/en/users/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/en/versions.html b/content/en/versions.html
index c0d3002..91506c8 100644
--- a/content/en/versions.html
+++ b/content/en/versions.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer versionsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1>Apache SINGA Versions</h1></header><h3 id="latest">Current version (Stable)</h3><p>Current stable version of Apache SINGA</p><table class="versions"><tbody><tr><th>3.0.0.rc1</th><td><a href="/docs/en/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_3.0.0.rc1.html">Release Notes</a></td></tr></tbody></table><h3 id="rc">Pre-release versions</h3><p>Latest unreleased <i>(next)</i> documentation and code of Apache SINGA</p><table class="versions"><tbody><tr><th>master</th><td><a href="/docs/en/next/installation">Documentation</a></td><td><a href="https://github.com/apache/singa-doc">Source Code</a></td></tr></tbody></table><h3 id="archive">Past Versions</h3><p>Here you can find previous versions of Apache SINGA</p><p>Please refer to <a href="/docs/en/download-singa#incubating-v010-8-october-2015">this page</a> for detailed release notes of previous versions.</p><table class="versions"><tbody><tr><th>2.0.0</th><td><a href="/docs/en/2.0.0/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_2.0.0.html">Release Notes</a></td></tr><tr><th>1.1.0</th><td><a href="/v1.1.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_1.1.0.html">Release Notes</a></td></tr><tr><th>0.3.0</th><td><a href="/v0.3.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_0.3.0.html">Release Notes</a></td></tr></tbody></table><p>You can find past versions of this project on <a href="https://github.com/apache/singa-doc">GitHub</a>.</p></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer versionsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1>Apache SINGA Versions</h1></header><h3 id="latest">Current version (Stable)</h3><p>Current stable version of Apache SINGA</p><table class="versions"><tbody><tr><th>3.0.0.rc1</th><td><a href="/docs/en/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_3.0.0.rc1.html">Release Notes</a></td></tr></tbody></table><h3 id="rc">Pre-release versions</h3><p>Latest unreleased <i>(next)</i> documentation and code of Apache SINGA</p><table class="versions"><tbody><tr><th>master</th><td><a href="/docs/en/next/installation">Documentation</a></td><td><a href="https://github.com/apache/singa-doc">Source Code</a></td></tr></tbody></table><h3 id="archive">Past Versions</h3><p>Here you can find previous versions of Apache SINGA</p><p>Please refer to <a href="/docs/en/download-singa#incubating-v010-8-october-2015">this page</a> for detailed release notes of previous versions.</p><table class="versions"><tbody><tr><th>2.0.0</th><td><a href="/docs/en/2.0.0/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_2.0.0.html">Release Notes</a></td></tr><tr><th>1.1.0</th><td><a href="/v1.1.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_1.1.0.html">Release Notes</a></td></tr><tr><th>0.3.0</th><td><a href="/v0.3.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_0.3.0.html">Release Notes</a></td></tr></tbody></table><p>You can find past versions of this project on <a href="https://github.com/apache/singa-doc">GitHub</a>.</p></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/en/versions/index.html b/content/en/versions/index.html
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--- a/content/en/versions/index.html
+++ b/content/en/versions/index.html
@@ -4,7 +4,7 @@
             {"zIndex":100}
           )
         });
-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer versionsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1>Apache SINGA Versions</h1></header><h3 id="latest">Current version (Stable)</h3><p>Current stable version of Apache SINGA</p><table class="versions"><tbody><tr><th>3.0.0.rc1</th><td><a href="/docs/en/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_3.0.0.rc1.html">Release Notes</a></td></tr></tbody></table><h3 id="rc">Pre-release versions</h3><p>Latest unreleased <i>(next)</i> documentation and code of Apache SINGA</p><table class="versions"><tbody><tr><th>master</th><td><a href="/docs/en/next/installation">Documentation</a></td><td><a href="https://github.com/apache/singa-doc">Source Code</a></td></tr></tbody></table><h3 id="archive">Past Versions</h3><p>Here you can find previous versions of Apache SINGA</p><p>Please refer to <a href="/docs/en/download-singa#incubating-v010-8-october-2015">this page</a> for detailed release notes of previous versions.</p><table class="versions"><tbody><tr><th>2.0.0</th><td><a href="/docs/en/2.0.0/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_2.0.0.html">Release Notes</a></td></tr><tr><th>1.1.0</th><td><a href="/v1.1.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_1.1.0.html">Release Notes</a></td></tr><tr><th>0.3.0</th><td><a href="/v0.3.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_0.3.0.html">Release Notes</a></td></tr></tbody></table><p>You can find past versions of this project on <a href="https://github.com/apache/singa-doc">GitHub</a>.</p></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer versionsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1>Apache SINGA Versions</h1></header><h3 id="latest">Current version (Stable)</h3><p>Current stable version of Apache SINGA</p><table class="versions"><tbody><tr><th>3.0.0.rc1</th><td><a href="/docs/en/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_3.0.0.rc1.html">Release Notes</a></td></tr></tbody></table><h3 id="rc">Pre-release versions</h3><p>Latest unreleased <i>(next)</i> documentation and code of Apache SINGA</p><table class="versions"><tbody><tr><th>master</th><td><a href="/docs/en/next/installation">Documentation</a></td><td><a href="https://github.com/apache/singa-doc">Source Code</a></td></tr></tbody></table><h3 id="archive">Past Versions</h3><p>Here you can find previous versions of Apache SINGA</p><p>Please refer to <a href="/docs/en/download-singa#incubating-v010-8-october-2015">this page</a> for detailed release notes of previous versions.</p><table class="versions"><tbody><tr><th>2.0.0</th><td><a href="/docs/en/2.0.0/installation">Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_2.0.0.html">Release Notes</a></td></tr><tr><th>1.1.0</th><td><a href="/v1.1.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_1.1.0.html">Release Notes</a></td></tr><tr><th>0.3.0</th><td><a href="/v0.3.0/"> Documentation</a></td><td><a href="/docs/en/releases/RELEASE_NOTES_0.3.0.html">Release Notes</a></td></tr></tbody></table><p>You can find past versions of this project on <a href="https://github.com/apache/singa-doc">GitHub</a>.</p></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/en/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/help.html b/content/help.html
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--- a/content/help.html
+++ b/content/help.html
@@ -4,7 +4,7 @@
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 </span></div></div></div><div class="blockElement threeByGridBlock"><div class="blockContent"><h2><div><span><p>Join the community</p>
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-</span></div></h2><div><span><p>Apache SINGA focuses on <a href="https://dl.acm.org/citation.cfm?doid=2733373.2807410">distributed</a>
-deep learning by partitioning the model and data onto nodes in a cluster and
-<a href="https://dl.acm.org/citation.cfm?doid=2733373.2806232">parallelize</a> the training</p>
-</span></div></div></div></div></div></div><div class="container mainPageContainer lightBackground paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignRight twoByGridBlock"><div class="blockContent"><h2><div><span><p>AutoML and Model Zoo</p>
-</span></div></h2><div><span><p>Apache SINGA v2.0.0 has AutoML features, a Healthcare
-<a href="/docs/model-zoo-cnn-cifar10">model zoo</a>,
-and facility for porting other models onto SINGA</p>
-</span></div></div><div class="blockImage"><img src="/img/singav1-sw.png" alt="AutoML and Model Zoo"/></div></div></div></div></div><div class="productShowcaseSection paddingBottom"><h2 style="color:#904600">Users of Apache SINGA</h2><p>Apache SINGA powers the following organizations and companies...</p><div class="showcase"><a class="link" href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/><span class="caption">NetEase</span></a><a class="link" href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/><span class="caption">NUH SG</span></a><a class="link" href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/><span class="caption">SGH SG</span></a><a class="link" href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/><span class="caption">TTSH SG</span></a><a class="link" href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/><span class="caption">JurongHealth SG</span></a><a class="link" href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/><span class="caption">yzBigData</span></a><a class="link" href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/><span class="caption">Shentilium</span></a><a class="link" href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/><span class="caption">Foodlg</span></a><a class="link" href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/><span class="caption">Medilot</span></a><a class="link" href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/><span class="caption">MZH Tech</span></a></div><div class="more-users"><a class="button" href="/users">All Apache SINGA Users</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="index-hero"><img style="display:none" src="/img/sg-botanic-coleen-rivas-unsplash.jpg" alt="increase priority"/><div class="index-hero-inner"><img alt="SINGA-Ocean" class="index-hero-logo" src="/img/singa.png"/><h1 class="index-hero-project-tagline">A Distributed Deep Learning Library</h1><div class="index-ctas"><a class="button index-ctas-get-started-button" href="/docs/installation">Get Started</a><span class="index-ctas-github-button"><iframe src="https://ghbtns.com/github-btn.html?user=apache&amp;repo=singa&amp;type=star&amp;count=true&amp;size=large" frameBorder="0" scrolling="0" width="160" height="30" title="GitHub Stars"></iframe></span></div></div></div><div class="announcement"><div class="announcement-inner">Apache SINGA is an <a href="https://blogs.apache.org/foundation/entry/the-apache-software-foundation-announces57">Apache Top Level Project</a>, focusing on distributed training of deep learning and machine learning models</div></div><div class="mainContainer"><div class="container mainPageContainer paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignLeft twoByGridBlock"><div class="blockImage"><img src="/img/benchmark.png" alt="Scalbility"/></div><div class="blockContent"><h2><div><span><p>Scalablility</p>
+</span></div></h2><div><span><p>SINGA <a href="./docs/dist-train">parallelizes the training and optimizes the communication cost</a> to improve training scalability.</p>
+</span></div></div></div></div></div></div><div class="container mainPageContainer lightBackground paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignRight twoByGridBlock"><div class="blockContent"><h2><div><span><p>Efficiency</p>
+</span></div></h2><div><span><p>SINGA <a href="./docs/graph">builds a computational graph</a> to optimizes the training speed and memory footprint.</p>
+</span></div></div><div class="blockImage"><img src="/img/GraphOfMLP.png" alt="Efficiency"/></div></div></div></div></div><div class="container mainPageContainer paddingBottom paddingTop"><div class="wrapper"><div class="gridBlock"><div class="blockElement imageAlignSide imageAlignLeft twoByGridBlock"><div class="blockImage"><img src="/img/singav3-sw.png" alt="Usability"/></div><div class="blockContent"><h2><div><span><p>Usability</p>
+</span></div></h2><div><span><p>SINGA has a simple <a href="./docs/software-stack">software stack and Python interface</a> to improve usability.</p>
+</span></div></div></div></div></div></div><div class="productShowcaseSection paddingBottom"><h2 style="color:#904600">Users of Apache SINGA</h2><p>Apache SINGA powers the following organizations and companies...</p><div class="showcase"><a class="link" href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/><span class="caption">NetEase</span></a><a class="link" href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/><span class="caption">NUH SG</span></a><a class="link" href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/><span class="caption">SGH SG</span></a><a class="link" href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/><span class="caption">TTSH SG</span></a><a class="link" href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/><span class="caption">JurongHealth SG</span></a><a class="link" href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/><span class="caption">yzBigData</span></a><a class="link" href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/><span class="caption">Shentilium</span></a><a class="link" href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/><span class="caption">Foodlg</span></a><a class="link" href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/><span class="caption">Medilot</span></a><a class="link" href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/><span class="caption">MZH Tech</span></a></div><div class="more-users"><a class="button" href="/users">All Apache SINGA Users</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/users/index.html b/content/users/index.html
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-        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="mainContainer"><div class="container paddingBottom"><div class="wrapper"><div class="showcaseSection"><div class="prose"><h1>Users of Apache SINGA</h1><p>Apache SINGA is used by many projects, especially in healthcare and finance</p></div><div class="logos"><a href="http://tech.163.com/17/0602/17/CLUL016I00098GJ5.html"><img src="/img/users/NetEase.jpg" alt="NetEase" title="NetEase"/></a><a href="https://www.nuh.com.sg/Pages/Home.aspx"><img src="/img/users/nuhlogo.jpg" alt="NUH SG" title="NUH SG"/></a><a href="https://www.sgh.com.sg/"><img src="/img/users/sgh.png" alt="SGH SG" title="SGH SG"/></a><a href="https://www.ttsh.com.sg/Pages/default.aspx"><img src="/img/users/TTSH_Logo.gif" alt="TTSH SG" title="TTSH SG"/></a><a href="https://www.juronghealthcampus.com.sg/"><img src="/img/users/juronghealth.png" alt="JurongHealth SG" title="JurongHealth SG"/></a><a href="http://www.yzbigdata.com/"><img src="/img/users/yzBigData.png" alt="yzBigData" title="yzBigData"/></a><a href="https://shentilium.com/"><img src="/img/users/shentilium.png" alt="Shentilium" title="Shentilium"/></a><a href="http://www.foodlg.com/"><img src="/img/users/foodlg.png" alt="Foodlg" title="Foodlg"/></a><a href="https://medilot.com/technologies"><img src="/img/users/medilot.svg" alt="Medilot" title="Medilot"/></a><a href="http://www.mzhtechnologies.com/index.html"><img src="/img/users/mzhtech.png" alt="MZH Tech" title="MZH Tech"/></a><a href="https://www.carnegietechnologies.com/"><img src="/img/users/carnegietech.png" alt="Carnegie Technologies" title="Carnegie Technologies"/></a><a href="http://www.cbre.com"><img src="/img/users/CBRE.jpg" alt="CBRE" title="CBRE"/></a><a href="https://noblis.org/"><img src="/img/users/noblis.png" alt="Noblis" title="Noblis"/></a><a href="https://www.citigroup.com/citi/"><img src="/img/users/citigroup-logo.jpg" alt="CitiGroup" title="CitiGroup"/></a></div><p>Is your project using Apache SINGA?</p><a href="https://github.com/apache/singa-doc/edit/master/website/data/users.js" class="button">Add your logo with a Pull Request</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
    Apache SINGA, Apache, the Apache feather logo, and
    the Apache SINGA project logos are trademarks of The
diff --git a/content/versions.html b/content/versions.html
index 0de8f6c..18ebeda 100644
--- a/content/versions.html
+++ b/content/versions.html
@@ -4,7 +4,7 @@
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+        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/singa.png" alt="Apache SINGA"/></a><a href="/versions"><h3>3.0.0.rc1</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/installation" target="_self">Docs</a></li><li class=""><a href="/docs/source-repository" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">News</a></li><li class=""><a href="https://apache-singa.readthedocs.io/en/latest/" target="_self">API</a></li><li class=""><a target="_self"></a></li><li class=""><a href="https://github.com/apache/singa-doc" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer versionsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1>Apache SINGA Versions</h1></header><h3 id="latest">Current version (Stable)</h3><p>Current stable version of Apache SINGA</p><table class="versions"><tbody><tr><th>3.0.0.rc1</th><td><a href="/docs/installation">Documentation</a></td><td><a href="/docs/releases/RELEASE_NOTES_3.0.0.rc1.html">Release Notes</a></td></tr></tbody></table><h3 id="rc">Pre-release versions</h3><p>Latest unreleased <i>(next)</i> documentation and code of Apache SINGA</p><table class="versions"><tbody><tr><th>master</th><td><a href="/docs/next/installation">Documentation</a></td><td><a href="https://github.com/apache/singa-doc">Source Code</a></td></tr></tbody></table><h3 id="archive">Past Versions</h3><p>Here you can find previous versions of Apache SINGA</p><p>Please refer to <a href="/docs/download-singa#incubating-v010-8-october-2015">this page</a> for detailed release notes of previous versions.</p><table class="versions"><tbody><tr><th>2.0.0</th><td><a href="/docs/2.0.0/installation">Documentation</a></td><td><a href="/docs/releases/RELEASE_NOTES_2.0.0.html">Release Notes</a></td></tr><tr><th>1.1.0</th><td><a href="/v1.1.0/"> Documentation</a></td><td><a href="/docs/releases/RELEASE_NOTES_1.1.0.html">Release Notes</a></td></tr><tr><th>0.3.0</th><td><a href="/v0.3.0/"> Documentation</a></td><td><a href="/docs/releases/RELEASE_NOTES_0.3.0.html">Release Notes</a></td></tr></tbody></table><p>You can find past versions of this project on <a href="https://github.com/apache/singa-doc">GitHub</a>.</p></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/singa-logo-square.png" alt="Apache SINGA" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/installation">Getting Started</a><a href="/docs/device">Guides</a><a href="/#">API Reference (coming soon)</a><a href="/docs/model-zoo-cnn-cifar10">Model Zoo</a><a href="/docs/download-singa">Development</a></div><div><h5>Community</h5><a href="/users.html">User Showcase</a><a href="/docs/history-singa">SINGA History</a><a href="/docs/team-list">SINGA Team</a><a href="/news">SINGA News</a><a href="https://github.com/apache/singa-doc">GitHub</a><div class="social"><a class="github-button" href="https://github.com/apache/singa-doc" data-count-href="/apache/singa/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">apache/singa-doc</a></div><div class="social"><a href="https://twitter.com/ApacheSINGA" class="twitter-follow-button">Follow @ApacheSINGA</a></div></div><div><h5>Apache Software Foundation</h5><a href="https://apache.org/" target="_blank" rel="noreferrer noopener">Foundation</a><a href="http://www.apache.org/licenses/" target="_blank" rel="noreferrer noopener">License</a><a href="http://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noreferrer noopener">Sponsorship</a><a href="http://www.apache.org/foundation/thanks.html" target="_blank" rel="noreferrer noopener">Thanks</a><a href="http://www.apache.org/events/current-event" target="_blank" rel="noreferrer noopener">Events</a><a href="http://www.apache.org/security/" target="_blank" rel="noreferrer noopener">Security</a></div></section><div style="width:100%;text-align:center"><a href="https://apache.org/" target="_blank" rel="noreferrer noopener" class="ApacheOpenSource"><img src="/img/asf_logo_wide.svg" alt="Apache Open Source"/></a><section class="copyright" style="max-width:60%;margin:0 auto">Copyright © 2020
    The Apache Software Foundation. All rights reserved.
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    the Apache SINGA project logos are trademarks of The