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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_1143c7affb9ebd026cb6818dd282def7.html">mxnet</a></li> </ul>
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<div class="title">rtc.h</div> </div>
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<a href="rtc_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef MXNET_RTC_H_</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define MXNET_RTC_H_</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="base_8h.html">./base.h</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if MXNET_USE_CUDA</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#include &lt;nvrtc.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include &lt;cuda.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include &lt;unordered_map&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include &lt;unordered_set&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="ndarray_8h.html">./ndarray.h</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>mxnet {</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1rtc.html"> 36</a></span> <span class="keyword">namespace </span>rtc {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classmxnet_1_1rtc_1_1CudaModule.html"> 39</a></span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1rtc_1_1CudaModule.html">CudaModule</a> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">struct </span>Chunk {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  Chunk(<span class="keyword">const</span> <span class="keywordtype">char</span>* source,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; options,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; exports);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  ~Chunk();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  CUfunction GetFunction(<span class="keyword">const</span> std::string&amp; mangled_name, <span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>&amp; ctx);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  nvrtcProgram prog_;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">char</span>* ptx_;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::unordered_map&lt;int, CUmodule&gt; mod_;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  std::unordered_set&lt;std::string&gt; exports_;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  };</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::shared_ptr&lt;Chunk&gt; ptr_;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html"> 74</a></span>  <span class="keyword">struct </span><a class="code" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html">ArgType</a> {</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#abf6a5d630d3b9f88988e162b5bd10470"> 76</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#abf6a5d630d3b9f88988e162b5bd10470">is_ndarray</a>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#a4420722fb81a18eb520c89ecb6fcde3e"> 78</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#a4420722fb81a18eb520c89ecb6fcde3e">is_const</a>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#adf42baba2bb344bfc7a2be4c6ede34c8"> 80</a></span>  mshadow::TypeFlag <a class="code" href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#adf42baba2bb344bfc7a2be4c6ede34c8">dtype</a>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  };</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html"> 83</a></span>  <span class="keyword">class </span><a class="code" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html">Kernel</a> {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#ae4f060e3de5fb498f6977563a9c20f96">Launch</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>&amp; ctx, <span class="keyword">const</span> std::vector&lt;dmlc::any&gt;&amp; args,</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  uint32_t grid_dim_x, uint32_t grid_dim_y, uint32_t grid_dim_z,</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  uint32_t block_dim_x, uint32_t block_dim_y, uint32_t block_dim_z,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  uint32_t shared_mem);</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#a529b07e197329fed9631262dd7103fae"> 91</a></span>  <span class="keyword">const</span> std::vector&lt;ArgType&gt;&amp; <a class="code" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#a529b07e197329fed9631262dd7103fae">signature</a>() { <span class="keywordflow">return</span> signature_; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#a30d0071fcb0841e922f69cba4216ac63"> 94</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1rtc_1_1CudaModule.html">CudaModule</a>;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html">Kernel</a>(<span class="keyword">const</span> std::shared_ptr&lt;Chunk&gt;&amp; mod,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> std::string&amp; mangled_name,</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> std::vector&lt;ArgType&gt;&amp; <a class="code" href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#a529b07e197329fed9631262dd7103fae">signature</a>);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::string mangled_name_;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::vector&lt;ArgType&gt; signature_;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::shared_ptr&lt;Chunk&gt; mod_;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::unordered_map&lt;int, CUfunction&gt; func_;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  };</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classmxnet_1_1rtc_1_1CudaModule.html#a44ca063023adb5d05ad1a219c9c14f20"> 118</a></span>  <a class="code" href="classmxnet_1_1rtc_1_1CudaModule.html#a44ca063023adb5d05ad1a219c9c14f20">CudaModule</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* source,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; options,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; exports)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  : ptr_(std::make_shared&lt;Chunk&gt;(source, options, exports)) {}</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::shared_ptr&lt;Kernel&gt; <a class="code" href="classmxnet_1_1rtc_1_1CudaModule.html#ab31092777ac1fa3c8902db0ed291b1a4">GetKernel</a>(<span class="keyword">const</span> std::string&amp; name,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> std::vector&lt;ArgType&gt;&amp; signature);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> };</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> } <span class="comment">// namespace rtc</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> } <span class="comment">// namespace mxnet</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif // MXNET_USE_CUDA</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"></span><span class="preprocessor">#endif // MXNET_RTC_H_</span></div>
<div class="ttc" id="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType_html_a4420722fb81a18eb520c89ecb6fcde3e"><div class="ttname"><a href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#a4420722fb81a18eb520c89ecb6fcde3e">mxnet::rtc::CudaModule::ArgType::is_const</a></div><div class="ttdeci">bool is_const</div><div class="ttdoc">whether argument is constant (input) </div><div class="ttdef"><b>Definition:</b> rtc.h:78</div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_html"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule.html">mxnet::rtc::CudaModule</a></div><div class="ttdoc">Cuda runtime compile module. </div><div class="ttdef"><b>Definition:</b> rtc.h:39</div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_html_ab31092777ac1fa3c8902db0ed291b1a4"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule.html#ab31092777ac1fa3c8902db0ed291b1a4">mxnet::rtc::CudaModule::GetKernel</a></div><div class="ttdeci">std::shared_ptr&lt; Kernel &gt; GetKernel(const std::string &amp;name, const std::vector&lt; ArgType &gt; &amp;signature)</div><div class="ttdoc">Get cuda kernal from module by name. </div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_html_a44ca063023adb5d05ad1a219c9c14f20"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule.html#a44ca063023adb5d05ad1a219c9c14f20">mxnet::rtc::CudaModule::CudaModule</a></div><div class="ttdeci">CudaModule(const char *source, const std::vector&lt; std::string &gt; &amp;options, const std::vector&lt; std::string &gt; &amp;exports)</div><div class="ttdoc">CudaModule constructor. </div><div class="ttdef"><b>Definition:</b> rtc.h:118</div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel_html_a529b07e197329fed9631262dd7103fae"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#a529b07e197329fed9631262dd7103fae">mxnet::rtc::CudaModule::Kernel::signature</a></div><div class="ttdeci">const std::vector&lt; ArgType &gt; &amp; signature()</div><div class="ttdoc">kernel interface signature </div><div class="ttdef"><b>Definition:</b> rtc.h:91</div></div>
<div class="ttc" id="ndarray_8h_html"><div class="ttname"><a href="ndarray_8h.html">ndarray.h</a></div><div class="ttdoc">NDArray interface that handles array arithematics. </div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel_html_ae4f060e3de5fb498f6977563a9c20f96"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html#ae4f060e3de5fb498f6977563a9c20f96">mxnet::rtc::CudaModule::Kernel::Launch</a></div><div class="ttdeci">void Launch(const Context &amp;ctx, const std::vector&lt; dmlc::any &gt; &amp;args, uint32_t grid_dim_x, uint32_t grid_dim_y, uint32_t grid_dim_z, uint32_t block_dim_x, uint32_t block_dim_y, uint32_t block_dim_z, uint32_t shared_mem)</div><div class="ttdoc">Launch the kernel. </div></div>
<div class="ttc" id="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType_html_adf42baba2bb344bfc7a2be4c6ede34c8"><div class="ttname"><a href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#adf42baba2bb344bfc7a2be4c6ede34c8">mxnet::rtc::CudaModule::ArgType::dtype</a></div><div class="ttdeci">mshadow::TypeFlag dtype</div><div class="ttdoc">data type of argument </div><div class="ttdef"><b>Definition:</b> rtc.h:80</div></div>
<div class="ttc" id="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel_html"><div class="ttname"><a href="classmxnet_1_1rtc_1_1CudaModule_1_1Kernel.html">mxnet::rtc::CudaModule::Kernel</a></div><div class="ttdoc">Cuda kernel. </div><div class="ttdef"><b>Definition:</b> rtc.h:83</div></div>
<div class="ttc" id="base_8h_html"><div class="ttname"><a href="base_8h.html">base.h</a></div><div class="ttdoc">configuation of mxnet as well as basic data structure. </div></div>
<div class="ttc" id="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType_html"><div class="ttname"><a href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html">mxnet::rtc::CudaModule::ArgType</a></div><div class="ttdoc">cuda kernel argument descriptor </div><div class="ttdef"><b>Definition:</b> rtc.h:74</div></div>
<div class="ttc" id="structmxnet_1_1Context_html"><div class="ttname"><a href="structmxnet_1_1Context.html">mxnet::Context</a></div><div class="ttdoc">Context information about the execution environment. </div><div class="ttdef"><b>Definition:</b> base.h:141</div></div>
<div class="ttc" id="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType_html_abf6a5d630d3b9f88988e162b5bd10470"><div class="ttname"><a href="structmxnet_1_1rtc_1_1CudaModule_1_1ArgType.html#abf6a5d630d3b9f88988e162b5bd10470">mxnet::rtc::CudaModule::ArgType::is_ndarray</a></div><div class="ttdeci">bool is_ndarray</div><div class="ttdoc">whether argument is NDArray </div><div class="ttdef"><b>Definition:</b> rtc.h:76</div></div>
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