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| <!--- under the License. --><div class="section" id="validate-your-mxnet-installation"> |
| <span id="validate-your-mxnet-installation"></span><h1>Validate Your MXNet Installation<a class="headerlink" href="#validate-your-mxnet-installation" title="Permalink to this headline">¶</a></h1> |
| <ul class="simple"> |
| <li><a class="reference external" href="#python">Python</a></li> |
| <li><a class="reference external" href="#python-with-gpu">Python with GPU</a></li> |
| <li><a class="reference external" href="#verify-gpu-training">Verify GPU training</a></li> |
| <li><a class="reference external" href="#virtualenv">Virtualenv</a></li> |
| <li><a class="reference external" href="#docker-with-cpu">Docker with CPU</a></li> |
| <li><a class="reference external" href="#docker-with-gpu">Docker with GPU</a></li> |
| <li><a class="reference external" href="#cloud">Cloud</a></li> |
| <li><a class="reference external" href="#alternative-language-bindings">C++</a></li> |
| <li><a class="reference external" href="#clojure">Clojure</a></li> |
| <li><a class="reference external" href="#julia">Julia</a></li> |
| <li><a class="reference external" href="#perl">Perl</a></li> |
| <li><a class="reference external" href="#r">R</a></li> |
| <li><a class="reference external" href="#scala">Scala</a></li> |
| </ul> |
| <div class="section" id="python"> |
| <span id="python"></span><h2>Python<a class="headerlink" href="#python" title="Permalink to this headline">¶</a></h2> |
| <p>Start the python terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ python |
| </pre></div> |
| </div> |
| <p>Run a short <em>MXNet</em> python program to create a 2X3 matrix of ones, multiply each element in the matrix by 2 followed by adding 1. We expect the output to be a 2X3 matrix with all elements being 3.</p> |
| <div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">mxnet</span> <span class="kn">as</span> <span class="nn">mx</span> |
| <span class="gp">>>> </span><span class="n">a</span> <span class="o">=</span> <span class="n">mx</span><span class="o">.</span><span class="n">nd</span><span class="o">.</span><span class="n">ones</span><span class="p">((</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">))</span> |
| <span class="gp">>>> </span><span class="n">b</span> <span class="o">=</span> <span class="n">a</span> <span class="o">*</span> <span class="mi">2</span> <span class="o">+</span> <span class="mi">1</span> |
| <span class="gp">>>> </span><span class="n">b</span><span class="o">.</span><span class="n">asnumpy</span><span class="p">()</span> |
| <span class="go">array([[ 3., 3., 3.],</span> |
| <span class="go"> [ 3., 3., 3.]], dtype=float32)</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="python-with-gpu"> |
| <span id="python-with-gpu"></span><h2>Python with GPU<a class="headerlink" href="#python-with-gpu" title="Permalink to this headline">¶</a></h2> |
| <p>This is similar to the previous example, but this time we use <em>mx.gpu()</em>, to set <em>MXNet</em> context to be GPUs.</p> |
| <div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">mxnet</span> <span class="kn">as</span> <span class="nn">mx</span> |
| <span class="gp">>>> </span><span class="n">a</span> <span class="o">=</span> <span class="n">mx</span><span class="o">.</span><span class="n">nd</span><span class="o">.</span><span class="n">ones</span><span class="p">((</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">mx</span><span class="o">.</span><span class="n">gpu</span><span class="p">())</span> |
| <span class="gp">>>> </span><span class="n">b</span> <span class="o">=</span> <span class="n">a</span> <span class="o">*</span> <span class="mi">2</span> <span class="o">+</span> <span class="mi">1</span> |
| <span class="gp">>>> </span><span class="n">b</span><span class="o">.</span><span class="n">asnumpy</span><span class="p">()</span> |
| <span class="go">array([[ 3., 3., 3.],</span> |
| <span class="go"> [ 3., 3., 3.]], dtype=float32)</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="verify-gpu-training"> |
| <span id="verify-gpu-training"></span><h2>Verify GPU Training<a class="headerlink" href="#verify-gpu-training" title="Permalink to this headline">¶</a></h2> |
| <p>From the MXNet root directory run: <code class="docutils literal"><span class="pre">python</span> <span class="pre">example/image-classification/train_mnist.py</span> <span class="pre">--network</span> <span class="pre">lenet</span> <span class="pre">--gpus</span> <span class="pre">0</span></code> to test GPU training.</p> |
| </div> |
| <div class="section" id="virtualenv"> |
| <span id="virtualenv"></span><h2>Virtualenv<a class="headerlink" href="#virtualenv" title="Permalink to this headline">¶</a></h2> |
| <p>Activate the virtualenv environment created for <em>MXNet</em>.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ <span class="nb">source</span> ~/mxnet/bin/activate |
| </pre></div> |
| </div> |
| <p>After activating the environment, you should see the prompt as below.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span><span class="o">(</span>mxnet<span class="o">)</span>$ |
| </pre></div> |
| </div> |
| <p>Start the python terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ python |
| </pre></div> |
| </div> |
| <p>Run the previous Python example.</p> |
| </div> |
| <div class="section" id="docker-with-cpu"> |
| <span id="docker-with-cpu"></span><h2>Docker with CPU<a class="headerlink" href="#docker-with-cpu" title="Permalink to this headline">¶</a></h2> |
| <p>Launch a Docker container with <code class="docutils literal"><span class="pre">mxnet/python</span></code> image and run example <em>MXNet</em> python program on the terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ docker run -it mxnet/python bash <span class="c1"># Use sudo if you skip Step 2 in the installation instruction</span> |
| |
| <span class="c1"># Start a python terminal</span> |
| root@4919c4f58cac:/# python |
| </pre></div> |
| </div> |
| <p>Run the previous Python example.</p> |
| </div> |
| <div class="section" id="docker-with-gpu"> |
| <span id="docker-with-gpu"></span><h2>Docker with GPU<a class="headerlink" href="#docker-with-gpu" title="Permalink to this headline">¶</a></h2> |
| <p>Launch a NVIDIA Docker container with <code class="docutils literal"><span class="pre">mxnet/python:gpu</span></code> image and run example <em>MXNet</em> python program on the terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ nvidia-docker run -it mxnet/python:gpu bash <span class="c1"># Use sudo if you skip Step 2 in the installation instruction</span> |
| |
| <span class="c1"># Start a python terminal</span> |
| root@4919c4f58cac:/# python |
| </pre></div> |
| </div> |
| <p>Run the previous Python example and run the previous GPU examples.</p> |
| </div> |
| <div class="section" id="cloud"> |
| <span id="cloud"></span><h2>Cloud<a class="headerlink" href="#cloud" title="Permalink to this headline">¶</a></h2> |
| <p>Login to the cloud instance you launched, with pre-installed <em>MXNet</em>, following the guide by corresponding cloud provider.</p> |
| <p>Start the python terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ python |
| </pre></div> |
| </div> |
| <p>Run the previous Python example, and for GPU instances run the previous GPU example.</p> |
| </div> |
| <div class="section" id="alternative-language-bindings"> |
| <span id="alternative-language-bindings"></span><h2>Alternative Language Bindings<a class="headerlink" href="#alternative-language-bindings" title="Permalink to this headline">¶</a></h2> |
| <div class="section" id="c"> |
| <span id="c"></span><h3>C++<a class="headerlink" href="#c" title="Permalink to this headline">¶</a></h3> |
| <p>Please contribute an example!</p> |
| </div> |
| <div class="section" id="clojure"> |
| <span id="clojure"></span><h3>Clojure<a class="headerlink" href="#clojure" title="Permalink to this headline">¶</a></h3> |
| <p>Please contribute an example!</p> |
| </div> |
| <div class="section" id="julia"> |
| <span id="julia"></span><h3>Julia<a class="headerlink" href="#julia" title="Permalink to this headline">¶</a></h3> |
| <p>Please contribute an example!</p> |
| </div> |
| <div class="section" id="perl"> |
| <span id="perl"></span><h3>Perl<a class="headerlink" href="#perl" title="Permalink to this headline">¶</a></h3> |
| <p>Start the pdl2 terminal.</p> |
| <div class="highlight-bash"><div class="highlight"><pre><span></span>$ pdl2 |
| </pre></div> |
| </div> |
| <p>Run a short <em>MXNet</em> Perl program to create a 2X3 matrix of ones, multiply each element in the matrix by 2 followed by adding 1. We expect the output to be a 2X3 matrix with all elements being 3.</p> |
| <div class="highlight-perl"><div class="highlight"><pre><span></span><span class="n">pdl</span><span class="o">></span> <span class="k">use</span> <span class="nn">AI::MXNet</span> <span class="sx">qw(mx)</span> |
| <span class="n">pdl</span><span class="o">></span> <span class="nv">$a</span> <span class="o">=</span> <span class="nn">mx</span><span class="o">-></span><span class="nn">nd</span><span class="o">-></span><span class="n">ones</span><span class="p">([</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">])</span> |
| <span class="n">pdl</span><span class="o">></span> <span class="nv">$b</span> <span class="o">=</span> <span class="nv">$a</span> <span class="o">*</span> <span class="mi">2</span> <span class="o">+</span> <span class="mi">1</span> |
| <span class="n">pdl</span><span class="o">></span> <span class="k">print</span> <span class="nv">$b</span><span class="o">-></span><span class="n">aspdl</span> |
| |
| <span class="p">[</span> |
| <span class="p">[</span><span class="mi">3</span> <span class="mi">3</span> <span class="mi">3</span><span class="p">]</span> |
| <span class="p">[</span><span class="mi">3</span> <span class="mi">3</span> <span class="mi">3</span><span class="p">]</span> |
| <span class="p">]</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="r"> |
| <span id="r"></span><h3>R<a class="headerlink" href="#r" title="Permalink to this headline">¶</a></h3> |
| <p>Run a short <em>MXNet</em> R program to create a 2X3 matrix of ones, multiply each element in the matrix by 2 followed by adding 1. We expect the output to be a 2X3 matrix with all elements being 3.</p> |
| <div class="highlight-r"><div class="highlight"><pre><span></span><span class="nf">library</span><span class="p">(</span><span class="n">mxnet</span><span class="p">)</span> |
| <span class="n">a</span> <span class="o"><-</span> <span class="nf">mx.nd.ones</span><span class="p">(</span><span class="nf">c</span><span class="p">(</span><span class="m">2</span><span class="p">,</span><span class="m">3</span><span class="p">),</span> <span class="n">ctx</span> <span class="o">=</span> <span class="nf">mx.cpu</span><span class="p">())</span> |
| <span class="n">b</span> <span class="o"><-</span> <span class="n">a</span> <span class="o">*</span> <span class="m">2</span> <span class="o">+</span> <span class="m">1</span> |
| <span class="n">b</span> |
| </pre></div> |
| </div> |
| <p>You should see the following output:</p> |
| <div class="highlight-r"><div class="highlight"><pre><span></span><span class="n">[</span><span class="p">,</span><span class="m">1</span><span class="n">]</span> <span class="n">[</span><span class="p">,</span><span class="m">2</span><span class="n">]</span> <span class="n">[</span><span class="p">,</span><span class="m">3</span><span class="n">]</span> |
| <span class="n">[1</span><span class="p">,</span><span class="n">]</span> <span class="m">3</span> <span class="m">3</span> <span class="m">3</span> |
| <span class="n">[2</span><span class="p">,</span><span class="n">]</span> <span class="m">3</span> <span class="m">3</span> <span class="m">3</span> |
| </pre></div> |
| </div> |
| <div class="section" id="r-with-gpu"> |
| <span id="r-with-gpu"></span><h4>R with GPU<a class="headerlink" href="#r-with-gpu" title="Permalink to this headline">¶</a></h4> |
| <p>This is similar to the previous example, but this time we use <em>mx.gpu()</em>, to set <em>MXNet</em> context to be GPUs.</p> |
| <div class="highlight-r"><div class="highlight"><pre><span></span><span class="nf">library</span><span class="p">(</span><span class="n">mxnet</span><span class="p">)</span> |
| <span class="n">a</span> <span class="o"><-</span> <span class="nf">mx.nd.ones</span><span class="p">(</span><span class="nf">c</span><span class="p">(</span><span class="m">2</span><span class="p">,</span><span class="m">3</span><span class="p">),</span> <span class="n">ctx</span> <span class="o">=</span> <span class="nf">mx.gpu</span><span class="p">())</span> |
| <span class="n">b</span> <span class="o"><-</span> <span class="n">a</span> <span class="o">*</span> <span class="m">2</span> <span class="o">+</span> <span class="m">1</span> |
| <span class="n">b</span> |
| </pre></div> |
| </div> |
| <p>You should see the following output:</p> |
| <div class="highlight-r"><div class="highlight"><pre><span></span><span class="n">[</span><span class="p">,</span><span class="m">1</span><span class="n">]</span> <span class="n">[</span><span class="p">,</span><span class="m">2</span><span class="n">]</span> <span class="n">[</span><span class="p">,</span><span class="m">3</span><span class="n">]</span> |
| <span class="n">[1</span><span class="p">,</span><span class="n">]</span> <span class="m">3</span> <span class="m">3</span> <span class="m">3</span> |
| <span class="n">[2</span><span class="p">,</span><span class="n">]</span> <span class="m">3</span> <span class="m">3</span> <span class="m">3</span> |
| </pre></div> |
| </div> |
| </div> |
| </div> |
| <div class="section" id="scala"> |
| <span id="scala"></span><h3>Scala<a class="headerlink" href="#scala" title="Permalink to this headline">¶</a></h3> |
| <p>Run the <a href="https://github.com/apache/incubator-mxnet/tree/1.4.1/scala-package/mxnet-demo">MXNet-Scala demo project</a> to validate your Maven package installation.</p> |
| </div> |
| </div> |
| </div> |
| |
| |
| </div> |
| </div> |
| |
| <div class="sphinxsidebar rightsidebar" role="navigation" aria-label="main navigation"> |
| <div class="sphinxsidebarwrapper"> |
| <h3><a href="../index.html">Table Of Contents</a></h3> |
| <ul> |
| <li><a class="reference internal" href="#">Validate Your MXNet Installation</a><ul> |
| <li><a class="reference internal" href="#python">Python</a></li> |
| <li><a class="reference internal" href="#python-with-gpu">Python with GPU</a></li> |
| <li><a class="reference internal" href="#verify-gpu-training">Verify GPU Training</a></li> |
| <li><a class="reference internal" href="#virtualenv">Virtualenv</a></li> |
| <li><a class="reference internal" href="#docker-with-cpu">Docker with CPU</a></li> |
| <li><a class="reference internal" href="#docker-with-gpu">Docker with GPU</a></li> |
| <li><a class="reference internal" href="#cloud">Cloud</a></li> |
| <li><a class="reference internal" href="#alternative-language-bindings">Alternative Language Bindings</a><ul> |
| <li><a class="reference internal" href="#c">C++</a></li> |
| <li><a class="reference internal" href="#clojure">Clojure</a></li> |
| <li><a class="reference internal" href="#julia">Julia</a></li> |
| <li><a class="reference internal" href="#perl">Perl</a></li> |
| <li><a class="reference internal" href="#r">R</a><ul> |
| <li><a class="reference internal" href="#r-with-gpu">R with GPU</a></li> |
| </ul> |
| </li> |
| <li><a class="reference internal" href="#scala">Scala</a></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| |
| </div> |
| </div> |
| </div><div class="footer"> |
| <div class="section-disclaimer"> |
| <div class="container"> |
| <div> |
| <img src="https://raw.githubusercontent.com/dmlc/web-data/master/mxnet/image/apache_incubator_logo.png" height=60> |
| <p> |
| Apache MXNet is an effort undergoing incubation at The Apache Software Foundation (ASF), <strong>sponsored by the <i>Apache Incubator</i></strong>. 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> |
| <p> |
| "Copyright © 2017-2018, The Apache Software Foundation |
| Apache MXNet, MXNet, Apache, the Apache feather, and the Apache MXNet project logo are either registered trademarks or trademarks of the Apache Software Foundation." |
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