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| <div class="title">nvtx.h</div> </div> |
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| <a href="nvtx_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_COMMON_CUDA_NVTX_H_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define MXNET_COMMON_CUDA_NVTX_H_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if MXNET_USE_CUDA && MXNET_USE_NVTX</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <cuda.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <cuda_runtime.h></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <nvToolsExtCuda.h></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 <cstring></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>common {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>cuda {</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">class </span>NVTXDuration {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">explicit</span> NVTXDuration(<span class="keyword">const</span> <span class="keywordtype">char</span>* name) noexcept : range_id_(0), name_(name) {}</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> start() {</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  range_id_ = nvtxRangeStartA(name_);</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> stop() {</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  nvtxRangeEnd(range_id_);</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  nvtxRangeId_t range_id_;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* name_;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> };</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// Utility class for NVTX</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">class </span>nvtx {</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Palette of colors (make sure to add new colors to the vector in nameToColor()).</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kRed = 0xFF0000;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kGreen = 0x00FF00;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kBlue = 0x0000FF;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kYellow = 0xB58900;</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kOrange = 0xCB4B16;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kRed1 = 0xDC322F;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kMagenta = 0xD33682;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kViolet = 0x6C71C4;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kBlue1 = 0x268BD2;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kCyan = 0x2AA198;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">static</span> <span class="keyword">const</span> uint32_t kGreen1 = 0x859900;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> gpuRangeStart(<span class="keyword">const</span> uint32_t rgb, <span class="keyword">const</span> std::string& range_name) {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  nvtxEventAttributes_t att;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  att.version = NVTX_VERSION;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  att.size = NVTX_EVENT_ATTRIB_STRUCT_SIZE;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  att.colorType = NVTX_COLOR_ARGB;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  att.color = rgb | 0xff000000;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  att.messageType = NVTX_MESSAGE_TYPE_ASCII;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  att.message.ascii = range_name.c_str();</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  nvtxRangePushEx(&att);</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Utility to map a range name prefix to a random color based on its hash</span></div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">static</span> uint32_t nameToColor(<span class="keyword">const</span> std::string& range_name, <span class="keywordtype">int</span> prefix_len) {</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">static</span> std::vector<uint32_t> colors{</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  kRed, kGreen, kBlue, kYellow, kOrange, kRed1, kMagenta, kViolet, kBlue1, kCyan, kGreen1};</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::string s(range_name, 0, prefix_len);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  std::hash<std::string> hash_fn;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> colors[hash_fn(s) % colors.size()];</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Utility to map a range name to a random color based on its hash</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">static</span> uint32_t nameToColor(<span class="keyword">const</span> std::string& range_name) {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> nameToColor(range_name, range_name.size());</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</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">static</span> <span class="keywordtype">void</span> gpuRangeStop() {</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  nvtxRangePop();</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> };</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// namespace cuda</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> } <span class="comment">// namespace common</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> } <span class="comment">// namespace mxnet</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif // MXNET_UDE_CUDA && MXNET_USE_NVTX</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif // MXNET_COMMON_CUDA_NVTX_H_</span></div> |
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| <div class="ttc" id="anamespacemxnet_html"><div class="ttname"><a href="namespacemxnet.html">mxnet</a></div><div class="ttdoc">namespace of mxnet</div><div class="ttdef"><b>Definition:</b> api_registry.h:33</div></div> |
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