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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 && MXNET_ENABLE_CUDA_RTC</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#include <nvrtc.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <cuda.h></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 <vector></span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <utility></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <unordered_map></span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <unordered_set></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"> 36</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"> 39</span> <span class="keyword">class </span>CudaModule {</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<std::string>& options,</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">const</span> std::vector<std::string>& 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& mangled_name, <span class="keyword">const</span> Context& 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<int, CUmodule> mod_;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> std::unordered_set<std::string> 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<Chunk> 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"> 74</span> <span class="keyword">struct </span>ArgType {</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">bool</span> is_ndarray;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">bool</span> is_const;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> mshadow::TypeFlag dtype;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> };</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">class </span>Kernel {</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> Launch(<span class="keyword">const</span> Context& ctx, <span class="keyword">const</span> std::vector<dmlc::any>& 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"> 91</span> <span class="keyword">const</span> std::vector<ArgType>& signature() { <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"> 94</span> <span class="keyword">friend</span> <span class="keyword">class </span>CudaModule;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> Kernel(<span class="keyword">const</span> std::shared_ptr<Chunk>& mod,</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">const</span> std::string& mangled_name,</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">const</span> std::vector<ArgType>& signature);</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<ArgType> signature_;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> std::shared_ptr<Chunk> mod_;</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> std::unordered_map<int, CUfunction> 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"> 118</span> CudaModule(<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<std::string>& options,</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> std::vector<std::string>& exports)</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> : ptr_(std::make_shared<Chunk>(source, options, exports)) {}</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> std::shared_ptr<Kernel> GetKernel(<span class="keyword">const</span> std::string& name,</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">const</span> std::vector<ArgType>& 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 && MXNET_ENABLE_CUDA_RTC</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="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="base_8h_html"><div class="ttname"><a href="base_8h.html">base.h</a></div><div class="ttdoc">configuration of MXNet as well as basic data structure. </div></div> |
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