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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_fdedb0aba14d44ce9d99bc100e026e6a.html">common</a></li> </ul>
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<div class="title">utils.h</div> </div>
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<a href="utils_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="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef MXNET_COMMON_UTILS_H_</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MXNET_COMMON_UTILS_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">#if DMLC_USE_CXX11</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include &lt;random&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include &lt;thread&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif // DMLC_USE_CXX11</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include &lt;dmlc/logging.h&gt;</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include &lt;<a class="code" href="engine_8h.html">mxnet/engine.h</a>&gt;</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">namespace </span>common {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if DMLC_USE_CXX11</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// heuristic to dermine number of threads per GPU</span></div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#abc7580a95e3de5cf38d5bc2617c6d541"> 46</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemxnet_1_1common.html#abc7580a95e3de5cf38d5bc2617c6d541">GetNumThreadPerGPU</a>() {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// This is resource efficient option.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_GPU_WORKER_NTHREADS"</span>, 2);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</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> <span class="comment">// heuristic to get number of matching colors.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// this decides how much parallelism we can get in each GPU.</span></div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa"> 53</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa">GetExecNumMatchColor</a>() {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// This is resource efficient option.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span> num_match_color = dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_NUM_TEMP"</span>, 1);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> <a class="code" href="namespacemxnet_1_1cpp.html#a5ad218aa1ec5bafdf146cbb8c50b60db">std::min</a>(num_match_color, <a class="code" href="namespacemxnet_1_1common.html#abc7580a95e3de5cf38d5bc2617c6d541">GetNumThreadPerGPU</a>());</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33"> 62</a></span> <span class="keyword">typedef</span> std::mt19937 <a class="code" href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33">RANDOM_ENGINE</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common_1_1helper.html"> 67</a></span> <span class="keyword">namespace </span>helper {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html"> 73</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a> {</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac"> 77</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">SingleObject</a> = std::unique_ptr&lt;T&gt;;</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> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html"> 84</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a>&lt;T[]&gt; {</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c"> 88</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c">UnknownBound</a> = std::unique_ptr&lt;T[]&gt;;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> };</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keywordtype">size_t</span> kSize&gt;</div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html"> 95</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a>&lt;T[kSize]&gt; {</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421"> 99</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421">KnownBound</a> = void;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</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="comment">// namespace helper</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042"> 116</a></span> <span class="keyword">typename</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">helper::UniqueIf&lt;T&gt;::SingleObject</a> <a class="code" href="namespacemxnet_1_1common.html#a9d9abe40c84b9924e51d5d57b3f0b7d6">MakeUnique</a>(Args&amp;&amp;... args) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> std::unique_ptr&lt;T&gt;(<span class="keyword">new</span> T(std::forward&lt;Args&gt;(args)...));</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a39b3453302aa3aa56230fbc88005861d"> 130</a></span> <span class="keyword">typename</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">helper::UniqueIf&lt;T&gt;::UnknownBound</a> <a class="code" href="namespacemxnet_1_1common.html#a9d9abe40c84b9924e51d5d57b3f0b7d6">MakeUnique</a>(<span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">using</span> U = <span class="keyword">typename</span> std::remove_extent&lt;T&gt;::type;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> std::unique_ptr&lt;T&gt;(<span class="keyword">new</span> U[n]{});</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">typename</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">helper::UniqueIf&lt;T&gt;::KnownBound</a> <a class="code" href="namespacemxnet_1_1common.html#a9d9abe40c84b9924e51d5d57b3f0b7d6">MakeUnique</a>(Args&amp;&amp;... args) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> FCompType&gt;</div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2"> 147</a></span> FCompType <a class="code" href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2">GetFCompute</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet.html#ac2fb286fd7ddfbc7af1456f6c7a7ee52">nnvm::Op</a>* op, <span class="keyword">const</span> std::string&amp; name,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>&amp; ctx) {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">static</span> <span class="keyword">auto</span>&amp; fcompute_cpu = nnvm::Op::GetAttr&lt;FCompType&gt;(name + <span class="stringliteral">"&lt;cpu&gt;"</span>);</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">static</span> <span class="keyword">auto</span>&amp; fcompute_gpu = nnvm::Op::GetAttr&lt;FCompType&gt;(name + <span class="stringliteral">"&lt;gpu&gt;"</span>);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structmxnet_1_1Context.html#a4f6fd8608a4abc9673cb6da4654f84fe">dev_mask</a>() == cpu::kDevMask) {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> fcompute_cpu.get(op, <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ctx.<a class="code" href="structmxnet_1_1Context.html#a4f6fd8608a4abc9673cb6da4654f84fe">dev_mask</a>() == gpu::kDevMask) {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> fcompute_gpu.get(op, <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  LOG(FATAL) &lt;&lt; <span class="stringliteral">"Unknown device mask"</span>;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor">#endif // DMLC_USE_CXX11</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> } <span class="comment">// namespace common</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> } <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#endif // MXNET_COMMON_UTILS_H_</span></div><div class="ttc" id="namespacemxnet_1_1cpp_html_a5ad218aa1ec5bafdf146cbb8c50b60db"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a5ad218aa1ec5bafdf146cbb8c50b60db">mxnet::cpp::min</a></div><div class="ttdeci">Symbol min(const std::string &amp;symbol_name, Symbol data, Shape axis=Shape(), bool keepdims=false, bool exclude=false)</div><div class="ttdef"><b>Definition:</b> op.h:2319</div></div>
<div class="ttc" id="engine_8h_html"><div class="ttname"><a href="engine_8h.html">engine.h</a></div><div class="ttdoc">Engine that schedules all the operations according to dependency. </div></div>
<div class="ttc" id="namespacemxnet_html"><div class="ttname"><a href="namespacemxnet.html">mxnet</a></div><div class="ttdoc">namespace of mxnet </div><div class="ttdef"><b>Definition:</b> base.h:126</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4_html_af31c1728c4b497d304680d69d4e61421"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421">mxnet::common::helper::UniqueIf&lt; T[kSize]&gt;::KnownBound</a></div><div class="ttdeci">void KnownBound</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:99</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a1abcb76ccd9022ebacdacd69c821cdc2"><div class="ttname"><a href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2">mxnet::common::GetFCompute</a></div><div class="ttdeci">FCompType GetFCompute(const nnvm::Op *op, const std::string &amp;name, const Context &amp;ctx)</div><div class="ttdef"><b>Definition:</b> utils.h:147</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_abc7580a95e3de5cf38d5bc2617c6d541"><div class="ttname"><a href="namespacemxnet_1_1common.html#abc7580a95e3de5cf38d5bc2617c6d541">mxnet::common::GetNumThreadPerGPU</a></div><div class="ttdeci">int GetNumThreadPerGPU()</div><div class="ttdef"><b>Definition:</b> utils.h:46</div></div>
<div class="ttc" id="structmxnet_1_1Context_html_a4f6fd8608a4abc9673cb6da4654f84fe"><div class="ttname"><a href="structmxnet_1_1Context.html#a4f6fd8608a4abc9673cb6da4654f84fe">mxnet::Context::dev_mask</a></div><div class="ttdeci">int dev_mask() const </div><div class="ttdoc">Get corresponding device mask. </div><div class="ttdef"><b>Definition:</b> base.h:158</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_aceba8f2d6de65796966d7f1d341dcf33"><div class="ttname"><a href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33">mxnet::common::RANDOM_ENGINE</a></div><div class="ttdeci">std::mt19937 RANDOM_ENGINE</div><div class="ttdoc">Random Engine. </div><div class="ttdef"><b>Definition:</b> utils.h:62</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_html"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">mxnet::common::helper::UniqueIf</a></div><div class="ttdoc">Helper for non-array type T. </div><div class="ttdef"><b>Definition:</b> utils.h:73</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4_html_a0cf05a5a2f3e1ac49ebdef497701055c"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c">mxnet::common::helper::UniqueIf&lt; T[]&gt;::UnknownBound</a></div><div class="ttdeci">std::unique_ptr&lt; T[]&gt; UnknownBound</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:88</div></div>
<div class="ttc" id="namespacemxnet_html_ac2fb286fd7ddfbc7af1456f6c7a7ee52"><div class="ttname"><a href="namespacemxnet.html#ac2fb286fd7ddfbc7af1456f6c7a7ee52">mxnet::Op</a></div><div class="ttdeci">nnvm::Op Op</div><div class="ttdoc">operator structure from NNVM </div><div class="ttdef"><b>Definition:</b> base.h:138</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_html_a98153aaeb43a71efa85b5cf753505cac"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">mxnet::common::helper::UniqueIf::SingleObject</a></div><div class="ttdeci">std::unique_ptr&lt; T &gt; SingleObject</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:77</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a56555edcc52c5b25bed90bd05e00b5fa"><div class="ttname"><a href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa">mxnet::common::GetExecNumMatchColor</a></div><div class="ttdeci">int GetExecNumMatchColor()</div><div class="ttdef"><b>Definition:</b> utils.h:53</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a9d9abe40c84b9924e51d5d57b3f0b7d6"><div class="ttname"><a href="namespacemxnet_1_1common.html#a9d9abe40c84b9924e51d5d57b3f0b7d6">mxnet::common::MakeUnique</a></div><div class="ttdeci">helper::UniqueIf&lt; T &gt;::SingleObject MakeUnique(Args &amp;&amp;...args)</div><div class="ttdoc">Constructs an object of type T and wraps it in a std::unique_ptr. </div><div class="ttdef"><b>Definition:</b> utils.h:116</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>
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