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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">object_pool.h</div> </div> |
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| <a href="object__pool_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_OBJECT_POOL_H_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define MXNET_COMMON_OBJECT_POOL_H_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <dmlc/logging.h></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <cstdlib></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <mutex></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <utility></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>common {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool</a> {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#aa5ff3f223210e5f3d0881c272462aedb">~ObjectPool</a>();</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">template</span> <<span class="keyword">typename</span>... Args></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  T* <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#aaadcbc99eaec88191b201bad9da441c6">New</a>(Args&&... args);</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a7dcdcbe9b6764cedc28a1de2fbc8dd6f">Delete</a>(T* ptr);</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool</a>* <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471">Get</a>();</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keyword">const</span> std::shared_ptr<ObjectPool>& <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a250b8d5cb7354eb565261cf24cabeb68">_GetSharedRef</a>();</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">struct </span>LinkedList {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#if defined(_MSC_VER)</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  T t;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  LinkedList* next{<span class="keyword">nullptr</span>};</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">union </span>{</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  T t;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  LinkedList* next{<span class="keyword">nullptr</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="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  };</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  constexpr <span class="keyword">static</span> std::size_t kPageSize = 1 << 12;</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::mutex m_;</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  LinkedList* head_{<span class="keyword">nullptr</span>};</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::vector<void*> allocated_;</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool</a>();</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> AllocateChunk();</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool</a>);</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }; <span class="comment">// class ObjectPool</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html"> 114</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html">ObjectPoolAllocatable</a> {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">template</span> <<span class="keyword">typename</span>... Args></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">static</span> T* <a class="code" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#aa08281412ac1a31d485884fa5a7544ce">New</a>(Args&&... args);</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#a68ed487cb6de6194a4798fdbbfd04597">Delete</a>(T* ptr);</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> }; <span class="comment">// struct ObjectPoolAllocatable</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html#aa5ff3f223210e5f3d0881c272462aedb"> 131</a></span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#aa5ff3f223210e5f3d0881c272462aedb">ObjectPool<T>::~ObjectPool</a>() {</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> i : allocated_) {</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  _aligned_free(i);</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  free(i);</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... Args></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html#aaadcbc99eaec88191b201bad9da441c6"> 143</a></span> T* <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#aaadcbc99eaec88191b201bad9da441c6">ObjectPool<T>::New</a>(Args&&... args) {</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  LinkedList* ret;</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>  std::lock_guard<std::mutex> <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#aef7cd83e7f0216b689f5f9d4191d9f8b">lock</a>{m_};</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (head_->next == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  AllocateChunk();</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  ret = head_;</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  head_ = head_->next;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (<span class="keyword">static_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(ret)) T(std::forward<Args>(args)...);</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html#a7dcdcbe9b6764cedc28a1de2fbc8dd6f"> 157</a></span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a7dcdcbe9b6764cedc28a1de2fbc8dd6f">ObjectPool<T>::Delete</a>(T* ptr) {</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  ptr->~T();</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">auto</span> linked_list_ptr = <span class="keyword">reinterpret_cast<</span>LinkedList*<span class="keyword">></span>(ptr);</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>  std::lock_guard<std::mutex> <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#aef7cd83e7f0216b689f5f9d4191d9f8b">lock</a>{m_};</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  linked_list_ptr->next = head_;</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  head_ = linked_list_ptr;</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> }</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471"> 168</a></span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool<T></a>* <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471">ObjectPool<T>::Get</a>() {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> _GetSharedRef().get();</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1ObjectPool.html#a250b8d5cb7354eb565261cf24cabeb68"> 173</a></span> <span class="keyword">const</span> std::shared_ptr<ObjectPool<T> >& <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a250b8d5cb7354eb565261cf24cabeb68">ObjectPool<T>::_GetSharedRef</a>() {</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">static</span> std::shared_ptr<ObjectPool<T> > inst_ptr(<span class="keyword">new</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool<T></a>());</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> inst_ptr;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html">ObjectPool<T>::ObjectPool</a>() {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  AllocateChunk();</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> }</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">void</span> ObjectPool<T>::AllocateChunk() {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  static_assert(<span class="keyword">sizeof</span>(LinkedList) <= kPageSize, <span class="stringliteral">"Object too big."</span>);</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  static_assert(<span class="keyword">sizeof</span>(LinkedList) % <span class="keyword">alignof</span>(LinkedList) == 0, <span class="stringliteral">"ObjectPooll Invariant"</span>);</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  static_assert(<span class="keyword">alignof</span>(LinkedList) % <span class="keyword">alignof</span>(T) == 0, <span class="stringliteral">"ObjectPooll Invariant"</span>);</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  static_assert(kPageSize % <span class="keyword">alignof</span>(LinkedList) == 0, <span class="stringliteral">"ObjectPooll Invariant"</span>);</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">void</span>* new_chunk_ptr;</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  new_chunk_ptr = _aligned_malloc(kPageSize, kPageSize);</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  CHECK(new_chunk_ptr != <span class="keyword">nullptr</span>) << <span class="stringliteral">"Allocation failed"</span>;</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> ret = posix_memalign(&new_chunk_ptr, kPageSize, kPageSize);</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  CHECK_EQ(ret, 0) << <span class="stringliteral">"Allocation failed"</span>;</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  allocated_.emplace_back(new_chunk_ptr);</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">auto</span> new_chunk = <span class="keyword">static_cast<</span>LinkedList*<span class="keyword">></span>(new_chunk_ptr);</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">auto</span> size = kPageSize / <span class="keyword">sizeof</span>(LinkedList);</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">for</span> (std::size_t i = 0; i < size - 1; ++i) {</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  new_chunk[i].next = &new_chunk[i + 1];</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  new_chunk[size - 1].next = head_;</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  head_ = new_chunk;</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... Args></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#aa08281412ac1a31d485884fa5a7544ce"> 209</a></span> T* <a class="code" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#aa08281412ac1a31d485884fa5a7544ce">ObjectPoolAllocatable<T>::New</a>(Args&&... args) {</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471">ObjectPool<T>::Get</a>()-><a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#aaadcbc99eaec88191b201bad9da441c6">New</a>(std::forward<Args>(args)...);</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> }</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#a68ed487cb6de6194a4798fdbbfd04597"> 214</a></span> <span class="keywordtype">void</span> <a class="code" href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#a68ed487cb6de6194a4798fdbbfd04597">ObjectPoolAllocatable<T>::Delete</a>(T* ptr) {</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471">ObjectPool<T>::Get</a>()-><a class="code" href="classmxnet_1_1common_1_1ObjectPool.html#a7dcdcbe9b6764cedc28a1de2fbc8dd6f">Delete</a>(ptr);</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> } <span class="comment">// namespace common</span></div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> } <span class="comment">// namespace mxnet</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif // MXNET_COMMON_OBJECT_POOL_H_</span></div> |
| </div><!-- fragment --></div><!-- contents --> |
| <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> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html_a7dcdcbe9b6764cedc28a1de2fbc8dd6f"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html#a7dcdcbe9b6764cedc28a1de2fbc8dd6f">mxnet::common::ObjectPool::Delete</a></div><div class="ttdeci">void Delete(T *ptr)</div><div class="ttdoc">Delete an existing object.</div><div class="ttdef"><b>Definition:</b> object_pool.h:157</div></div> |
| <div class="ttc" id="astructmxnet_1_1common_1_1ObjectPoolAllocatable_html_a68ed487cb6de6194a4798fdbbfd04597"><div class="ttname"><a href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#a68ed487cb6de6194a4798fdbbfd04597">mxnet::common::ObjectPoolAllocatable::Delete</a></div><div class="ttdeci">static void Delete(T *ptr)</div><div class="ttdoc">Delete an existing object.</div><div class="ttdef"><b>Definition:</b> object_pool.h:214</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_html_aef7cd83e7f0216b689f5f9d4191d9f8b"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#aef7cd83e7f0216b689f5f9d4191d9f8b">mxnet::common::cuda::rtc::lock</a></div><div class="ttdeci">std::mutex lock</div></div> |
| <div class="ttc" id="astructmxnet_1_1common_1_1ObjectPoolAllocatable_html_aa08281412ac1a31d485884fa5a7544ce"><div class="ttname"><a href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html#aa08281412ac1a31d485884fa5a7544ce">mxnet::common::ObjectPoolAllocatable::New</a></div><div class="ttdeci">static T * New(Args &&... args)</div><div class="ttdoc">Create new object.</div><div class="ttdef"><b>Definition:</b> object_pool.h:209</div></div> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html_a250b8d5cb7354eb565261cf24cabeb68"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html#a250b8d5cb7354eb565261cf24cabeb68">mxnet::common::ObjectPool::_GetSharedRef</a></div><div class="ttdeci">static const std::shared_ptr< ObjectPool > & _GetSharedRef()</div><div class="ttdoc">Get a shared ptr of the singleton instance of pool.</div><div class="ttdef"><b>Definition:</b> object_pool.h:173</div></div> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html_a82b4d0c3577560a4f6f62f482b125471"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html#a82b4d0c3577560a4f6f62f482b125471">mxnet::common::ObjectPool::Get</a></div><div class="ttdeci">static ObjectPool * Get()</div><div class="ttdoc">Get singleton instance of pool.</div><div class="ttdef"><b>Definition:</b> object_pool.h:168</div></div> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html_aa5ff3f223210e5f3d0881c272462aedb"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html#aa5ff3f223210e5f3d0881c272462aedb">mxnet::common::ObjectPool::~ObjectPool</a></div><div class="ttdeci">~ObjectPool()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> object_pool.h:131</div></div> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html_aaadcbc99eaec88191b201bad9da441c6"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html#aaadcbc99eaec88191b201bad9da441c6">mxnet::common::ObjectPool::New</a></div><div class="ttdeci">T * New(Args &&... args)</div><div class="ttdoc">Create new object.</div><div class="ttdef"><b>Definition:</b> object_pool.h:143</div></div> |
| <div class="ttc" id="astructmxnet_1_1common_1_1ObjectPoolAllocatable_html"><div class="ttname"><a href="structmxnet_1_1common_1_1ObjectPoolAllocatable.html">mxnet::common::ObjectPoolAllocatable</a></div><div class="ttdoc">Helper trait class for easy allocation and deallocation.</div><div class="ttdef"><b>Definition:</b> object_pool.h:114</div></div> |
| <div class="ttc" id="aclassmxnet_1_1common_1_1ObjectPool_html"><div class="ttname"><a href="classmxnet_1_1common_1_1ObjectPool.html">mxnet::common::ObjectPool</a></div><div class="ttdoc">Object pool for fast allocation and deallocation.</div><div class="ttdef"><b>Definition:</b> object_pool.h:34</div></div> |
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