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apache / mxnet-site / d5c5a235eef72f64ccaf224b834a20ef3287469b / . / versions / 1.9.1 / api / cpp / docs / api / stream__gpu-inl_8h_source.html
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<a href="stream__gpu-inl_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>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<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>&#160;<span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifndef MSHADOW_STREAM_GPU_INL_H_</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#define MSHADOW_STREAM_GPU_INL_H_</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html">./base.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tensor_8h.html">./tensor.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &quot;./logging.h&quot;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemshadow.html">mshadow</a> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDA == 1</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// Stream alocation</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// actual implementation of GPU stream in CUDA</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">template</span>&lt;&gt;</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html"> 37</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1Stream.html">Stream</a>&lt;<a class="code" href="structmshadow_1_1gpu.html">gpu</a>&gt; {</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895"> 39</a></span>&#160; <span class="keyword">enum</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895">HandleState</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895a8e8971f5b6956e4e8633fb7dca86264a"> 40</a></span>&#160; NoHandle = 0,</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895a7599ad472e15c903954eaeeff5bd28d5"> 41</a></span>&#160; OwnHandle = 1,</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; };</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a07e51e51721e2561c26dd93bbd03da18"> 44</a></span>&#160; cudaStream_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a07e51e51721e2561c26dd93bbd03da18">stream_</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a184c6cc797a08f242ad851d5a3e59bdb"> 46</a></span>&#160; cublasHandle_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a184c6cc797a08f242ad851d5a3e59bdb">blas_handle_</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor"> #if MSHADOW_USE_CUSOLVER == 1</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a254e73438b81888ce75a226c24c4667e"> 49</a></span>&#160; cusolverDnHandle_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a254e73438b81888ce75a226c24c4667e">solver_handle_</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"> #endif</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"> #if MSHADOW_USE_CUDNN == 1</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; cudnnHandle_t dnn_handle_;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"> #endif</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a19575a11766ad1de72a5d174300e79a6"> 56</a></span>&#160; <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895">HandleState</a> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a19575a11766ad1de72a5d174300e79a6">blas_handle_ownership_</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a159968e5249012a821f69c10f76f8d1e"> 58</a></span>&#160; <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895">HandleState</a> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a159968e5249012a821f69c10f76f8d1e">solver_handle_ownership_</a>;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a5a71ddbac6b9e29728b13a384ca6af98"> 60</a></span>&#160; <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895">HandleState</a> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a5a71ddbac6b9e29728b13a384ca6af98">dnn_handle_ownership_</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4ec551c8440da0c89eb728e753906936"> 62</a></span>&#160; cudaDeviceProp <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4ec551c8440da0c89eb728e753906936">prop</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a08409eff15849ff7abec6efe8019e396"> 64</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a08409eff15849ff7abec6efe8019e396">dev_id</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0b3e4f27261b1954df7d6325222afad9"> 66</a></span>&#160; <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0b3e4f27261b1954df7d6325222afad9">Stream</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; : stream_(0)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; , blas_handle_(0)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;#if <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#affa4511f720838acfdbbc5f1da36a6e6">MSHADOW_USE_CUDNN</a> == 1</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; , dnn_handle_(0)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;#endif</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; , blas_handle_ownership_(NoHandle)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; , solver_handle_ownership_(NoHandle)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; , dnn_handle_ownership_(NoHandle) {}</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a46151b12d2eae79e0a1de4adc2a1d706"> 79</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a46151b12d2eae79e0a1de4adc2a1d706">Wait</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a>(cudaStreamSynchronize(stream_));</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4dd8da1b8671eb740d59b513ae733cd2"> 86</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4dd8da1b8671eb740d59b513ae733cd2">CheckIdle</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; cudaError_t err = cudaStreamQuery(stream_);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">if</span> (err == cudaSuccess) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">if</span> (err == cudaErrorNotReady) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; LOG(FATAL) &lt;&lt; cudaGetErrorString(err);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; }</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a714d3b2fc16db0a400e18147cc678e21"> 97</a></span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> cudaStream_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a714d3b2fc16db0a400e18147cc678e21">GetStream</a>(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *stream) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="preprocessor">#if MSHADOW_FORCE_STREAM</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; LOG(FATAL) &lt;&lt; <span class="stringliteral">&quot;Default GPU stream was used when MSHADOW_FORCE_STREAM was on&quot;</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a07e51e51721e2561c26dd93bbd03da18">stream_</a>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac518ec87c93d924a07bfd0ead182b571"> 111</a></span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> cublasHandle_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac518ec87c93d924a07bfd0ead182b571">GetBlasHandle</a>(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *stream) {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; CHECK_NE(stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a19575a11766ad1de72a5d174300e79a6">blas_handle_ownership_</a>, NoHandle)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; &lt;&lt; <span class="stringliteral">&quot;No handle exist in source stream&quot;</span>;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a184c6cc797a08f242ad851d5a3e59bdb">blas_handle_</a>;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ae11ddc0ec4da83ce6e79ae5d9c8b8761"> 121</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ae11ddc0ec4da83ce6e79ae5d9c8b8761">DestroyBlasHandle</a>() {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">if</span> (blas_handle_ownership_ == OwnHandle) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; cublasStatus_t err = cublasDestroy(blas_handle_);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; blas_handle_ownership_ = NoHandle;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; CHECK_EQ(err, CUBLAS_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Destory cublas handle failed&quot;</span>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a6a323b3d583f5aae25eb76b1d239b7ca"> 129</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a6a323b3d583f5aae25eb76b1d239b7ca">CreateBlasHandle</a>() {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; this-&gt;DestroyBlasHandle();</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; cublasStatus_t err = cublasCreate(&amp;blas_handle_);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; blas_handle_ownership_ = OwnHandle;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; CHECK_EQ(err, CUBLAS_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Create cublas handle failed&quot;</span>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; err = cublasSetStream(blas_handle_, stream_);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; CHECK_EQ(err, CUBLAS_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Setting cublas stream failed&quot;</span>;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#acfc432c1165c8fb238df5e3bd9f9efcc"> 138</a></span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> cusolverDnHandle_t <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#acfc432c1165c8fb238df5e3bd9f9efcc">GetSolverHandle</a>(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *stream) {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; CHECK_NE(stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a159968e5249012a821f69c10f76f8d1e">solver_handle_ownership_</a>, NoHandle) &lt;&lt; <span class="stringliteral">&quot;No handle exist in source stream&quot;</span>;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a254e73438b81888ce75a226c24c4667e">solver_handle_</a>;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#af3c35c9a258285ffd719acf4d26d5e72"> 147</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#af3c35c9a258285ffd719acf4d26d5e72">DestroySolverHandle</a>() {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">if</span> (solver_handle_ownership_ == OwnHandle) {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; cusolverStatus_t err = cusolverDnDestroy(solver_handle_);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; CHECK_EQ(err, CUSOLVER_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Destory cusolver handle failed&quot;</span>;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; }</div><div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab3cd3dff9583cd8f0129392eee5f55fe"> 155</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab3cd3dff9583cd8f0129392eee5f55fe">CreateSolverHandle</a>() {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; this-&gt;DestroySolverHandle();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; cusolverStatus_t err = cusolverDnCreate(&amp;solver_handle_);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; CHECK_EQ(err, CUSOLVER_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Create cusolver handle failed&quot;</span>;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; err = cusolverDnSetStream(solver_handle_, stream_);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; CHECK_EQ(err, CUSOLVER_STATUS_SUCCESS) &lt;&lt; <span class="stringliteral">&quot;Setting cusolver stream failed&quot;</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; this-&gt;solver_handle_ownership_ = OwnHandle;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="comment">// #if MSHADOW_USE_CUDNN &amp;&amp; defined(__CUDACC__)</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDNN == 1</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> cudnnHandle_t GetDnnHandle(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *stream) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; CHECK_NE(stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a5a71ddbac6b9e29728b13a384ca6af98">dnn_handle_ownership_</a>, NoHandle) &lt;&lt; <span class="stringliteral">&quot;No handle exist in source stream&quot;</span>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> stream-&gt;dnn_handle_;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab0fbdf3786a1e9766f2cec21aa56d38a"> 176</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab0fbdf3786a1e9766f2cec21aa56d38a">DestroyDnnHandle</a>() {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="comment">// #if MSHADOW_USE_CUDNN &amp;&amp; defined(__CUDACC__)</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDNN == 1</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">if</span> (dnn_handle_ownership_ == OwnHandle) {</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; cudnnStatus_t err = cudnnDestroy(dnn_handle_);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; this-&gt;dnn_handle_ownership_ = NoHandle;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; }</div><div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac8a3c2ac65a6f91389b87b02e9083f86"> 186</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac8a3c2ac65a6f91389b87b02e9083f86">CreateDnnHandle</a>() {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;<span class="comment">// #if MSHADOW_USE_CUDNN == 1 &amp;&amp; defined(__CUDACC__)</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDNN == 1</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; this-&gt;DestroyDnnHandle();</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; cudnnStatus_t err = cudnnCreate(&amp;dnn_handle_);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="comment">// At this point, we have the resource which may need to be freed</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; this-&gt;dnn_handle_ownership_ = OwnHandle;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; err = cudnnSetStream(dnn_handle_, stream_);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;};</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;<span class="keyword">template</span>&lt;&gt;</div><div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="namespacemshadow.html#a5d8687821fd6ecf8e271b996df51415c"> 200</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacemshadow.html#a5d8687821fd6ecf8e271b996df51415c">DeleteStream&lt;gpu&gt;</a>(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *stream) {</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">if</span> (stream) {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a>(cudaStreamDestroy(stream-&gt;stream_));</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; stream-&gt;DestroyBlasHandle();</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; stream-&gt;DestroySolverHandle();</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; stream-&gt;DestroyDnnHandle();</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keyword">delete</span> stream;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;}</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="keyword">template</span>&lt;&gt;</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="namespacemshadow.html#a89b0009770915378c66bc9647040776d"> 210</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *<a class="code" href="namespacemshadow.html#a89b0009770915378c66bc9647040776d">NewStream&lt;gpu&gt;</a>(<span class="keywordtype">bool</span> create_blas_handle,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordtype">bool</span> create_dnn_handle,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordtype">int</span> dev_id) {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="comment">// RAII on Cuda exception</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keyword">struct </span>StreamDeleter { <span class="keywordtype">void</span> operator()(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a> *ptr)<span class="keyword"> const </span>{ <a class="code" href="namespacemshadow.html#a5d8687821fd6ecf8e271b996df51415c">DeleteStream&lt;gpu&gt;</a>(ptr); } };</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; std::unique_ptr&lt;Stream&lt;gpu&gt;, StreamDeleter&gt; st(<span class="keyword">new</span> <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">Stream&lt;gpu&gt;</a>());</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a>(cudaStreamCreate(&amp;st-&gt;stream_));</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">if</span> (create_blas_handle) {</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; st-&gt;CreateBlasHandle();</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; st-&gt;CreateSolverHandle();</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">if</span> (create_dnn_handle) {</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; st-&gt;CreateDnnHandle();</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; }</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; st-&gt;dev_id = dev_id;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">if</span> (dev_id != -1) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a>(cudaGetDeviceProperties(&amp;st-&gt;prop, dev_id));</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; }</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">return</span> st.release();</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;}</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;} <span class="comment">// namespace mshadow</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;<span class="preprocessor">#endif // MSHADOW_STREAM_GPU_INL_H_</span></div><div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a714d3b2fc16db0a400e18147cc678e21"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a714d3b2fc16db0a400e18147cc678e21">mshadow::Stream&lt; gpu &gt;::GetStream</a></div><div class="ttdeci">static cudaStream_t GetStream(Stream&lt; gpu &gt; *stream)</div><div class="ttdoc">returns actual cudaStream_t given an input GPU stream pointer </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:97</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a5a71ddbac6b9e29728b13a384ca6af98"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a5a71ddbac6b9e29728b13a384ca6af98">mshadow::Stream&lt; gpu &gt;::dnn_handle_ownership_</a></div><div class="ttdeci">HandleState dnn_handle_ownership_</div><div class="ttdoc">cudnn handle ownership </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:60</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html">mshadow::Stream&lt; gpu &gt;</a></div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:37</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a4dd8da1b8671eb740d59b513ae733cd2"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4dd8da1b8671eb740d59b513ae733cd2">mshadow::Stream&lt; gpu &gt;::CheckIdle</a></div><div class="ttdeci">bool CheckIdle(void)</div><div class="ttdoc">query whether the the stream is idle </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:86</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_acfc432c1165c8fb238df5e3bd9f9efcc"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#acfc432c1165c8fb238df5e3bd9f9efcc">mshadow::Stream&lt; gpu &gt;::GetSolverHandle</a></div><div class="ttdeci">static cusolverDnHandle_t GetSolverHandle(Stream&lt; gpu &gt; *stream)</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:138</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a588f6e370bf571ef2ab295690a071895"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a588f6e370bf571ef2ab295690a071895">mshadow::Stream&lt; gpu &gt;::HandleState</a></div><div class="ttdeci">HandleState</div><div class="ttdoc">handle state </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:39</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a0b3e4f27261b1954df7d6325222afad9"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0b3e4f27261b1954df7d6325222afad9">mshadow::Stream&lt; gpu &gt;::Stream</a></div><div class="ttdeci">Stream(void)</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:66</div></div>
<div class="ttc" id="namespacemshadow_html_a89b0009770915378c66bc9647040776d"><div class="ttname"><a href="namespacemshadow.html#a89b0009770915378c66bc9647040776d">mshadow::NewStream&lt; gpu &gt;</a></div><div class="ttdeci">Stream&lt; gpu &gt; * NewStream&lt; gpu &gt;(bool create_blas_handle, bool create_dnn_handle, int dev_id)</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:210</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_af3c35c9a258285ffd719acf4d26d5e72"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#af3c35c9a258285ffd719acf4d26d5e72">mshadow::Stream&lt; gpu &gt;::DestroySolverHandle</a></div><div class="ttdeci">void DestroySolverHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:147</div></div>
<div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html_a8f433b4dd005a854eec58178ffd3d4bd"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a></div><div class="ttdeci">#define MSHADOW_CUDA_CALL(func)</div><div class="ttdoc">Protected cuda call in mshadow. </div><div class="ttdef"><b>Definition:</b> base.h:278</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a4ec551c8440da0c89eb728e753906936"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4ec551c8440da0c89eb728e753906936">mshadow::Stream&lt; gpu &gt;::prop</a></div><div class="ttdeci">cudaDeviceProp prop</div><div class="ttdoc">cudaDeviceProp </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:62</div></div>
<div class="ttc" id="tensor_8h_html"><div class="ttname"><a href="tensor_8h.html">tensor.h</a></div><div class="ttdoc">header file of tensor data structure and functions This lib requires explicit memory allocation and d...</div></div>
<div class="ttc" id="structmshadow_1_1gpu_html"><div class="ttname"><a href="structmshadow_1_1gpu.html">mshadow::gpu</a></div><div class="ttdoc">device name GPU </div><div class="ttdef"><b>Definition:</b> tensor.h:46</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a19575a11766ad1de72a5d174300e79a6"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a19575a11766ad1de72a5d174300e79a6">mshadow::Stream&lt; gpu &gt;::blas_handle_ownership_</a></div><div class="ttdeci">HandleState blas_handle_ownership_</div><div class="ttdoc">cudnn handle </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:56</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a08409eff15849ff7abec6efe8019e396"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a08409eff15849ff7abec6efe8019e396">mshadow::Stream&lt; gpu &gt;::dev_id</a></div><div class="ttdeci">int dev_id</div><div class="ttdoc">dev id </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:64</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a159968e5249012a821f69c10f76f8d1e"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a159968e5249012a821f69c10f76f8d1e">mshadow::Stream&lt; gpu &gt;::solver_handle_ownership_</a></div><div class="ttdeci">HandleState solver_handle_ownership_</div><div class="ttdoc">cusolver handle ownership </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:58</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a6a323b3d583f5aae25eb76b1d239b7ca"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a6a323b3d583f5aae25eb76b1d239b7ca">mshadow::Stream&lt; gpu &gt;::CreateBlasHandle</a></div><div class="ttdeci">void CreateBlasHandle()</div><div class="ttdoc">Destory original blas handle and create a new one. </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:129</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a07e51e51721e2561c26dd93bbd03da18"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a07e51e51721e2561c26dd93bbd03da18">mshadow::Stream&lt; gpu &gt;::stream_</a></div><div class="ttdeci">cudaStream_t stream_</div><div class="ttdoc">cudaStream </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:44</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a184c6cc797a08f242ad851d5a3e59bdb"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a184c6cc797a08f242ad851d5a3e59bdb">mshadow::Stream&lt; gpu &gt;::blas_handle_</a></div><div class="ttdeci">cublasHandle_t blas_handle_</div><div class="ttdoc">cublas handle </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:46</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_ab0fbdf3786a1e9766f2cec21aa56d38a"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab0fbdf3786a1e9766f2cec21aa56d38a">mshadow::Stream&lt; gpu &gt;::DestroyDnnHandle</a></div><div class="ttdeci">void DestroyDnnHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:176</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a46151b12d2eae79e0a1de4adc2a1d706"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a46151b12d2eae79e0a1de4adc2a1d706">mshadow::Stream&lt; gpu &gt;::Wait</a></div><div class="ttdeci">void Wait(void)</div><div class="ttdoc">wait for all the computation associated with this stream to complete </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:79</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_ac518ec87c93d924a07bfd0ead182b571"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac518ec87c93d924a07bfd0ead182b571">mshadow::Stream&lt; gpu &gt;::GetBlasHandle</a></div><div class="ttdeci">static cublasHandle_t GetBlasHandle(Stream&lt; gpu &gt; *stream)</div><div class="ttdoc">return actual cublasHandle </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:111</div></div>
<div class="ttc" id="namespacemshadow_html"><div class="ttname"><a href="namespacemshadow.html">mshadow</a></div><div class="ttdoc">overloaded + operator between half_t and bf16_t </div><div class="ttdef"><b>Definition:</b> base.h:334</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_ac8a3c2ac65a6f91389b87b02e9083f86"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac8a3c2ac65a6f91389b87b02e9083f86">mshadow::Stream&lt; gpu &gt;::CreateDnnHandle</a></div><div class="ttdeci">void CreateDnnHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:186</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_ae11ddc0ec4da83ce6e79ae5d9c8b8761"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#ae11ddc0ec4da83ce6e79ae5d9c8b8761">mshadow::Stream&lt; gpu &gt;::DestroyBlasHandle</a></div><div class="ttdeci">void DestroyBlasHandle()</div><div class="ttdoc">Destory cublas handle if own it. </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:121</div></div>
<div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html">base.h</a></div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_a254e73438b81888ce75a226c24c4667e"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a254e73438b81888ce75a226c24c4667e">mshadow::Stream&lt; gpu &gt;::solver_handle_</a></div><div class="ttdeci">cusolverDnHandle_t solver_handle_</div><div class="ttdoc">cusolver handle </div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:49</div></div>
<div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html_affa4511f720838acfdbbc5f1da36a6e6"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html#affa4511f720838acfdbbc5f1da36a6e6">MSHADOW_USE_CUDNN</a></div><div class="ttdeci">#define MSHADOW_USE_CUDNN</div><div class="ttdoc">use CUDNN support, must ensure that the cudnn include path is correct </div><div class="ttdef"><b>Definition:</b> base.h:125</div></div>
<div class="ttc" id="structmshadow_1_1Stream_3_01gpu_01_4_html_ab3cd3dff9583cd8f0129392eee5f55fe"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab3cd3dff9583cd8f0129392eee5f55fe">mshadow::Stream&lt; gpu &gt;::CreateSolverHandle</a></div><div class="ttdeci">void CreateSolverHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:155</div></div>
<div class="ttc" id="namespacemshadow_html_a5d8687821fd6ecf8e271b996df51415c"><div class="ttname"><a href="namespacemshadow.html#a5d8687821fd6ecf8e271b996df51415c">mshadow::DeleteStream&lt; gpu &gt;</a></div><div class="ttdeci">void DeleteStream&lt; gpu &gt;(Stream&lt; gpu &gt; *stream)</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:200</div></div>
<div class="ttc" id="structmshadow_1_1Stream_html"><div class="ttname"><a href="structmshadow_1_1Stream.html">mshadow::Stream</a></div><div class="ttdoc">computaion stream structure, used for asynchronous computations </div><div class="ttdef"><b>Definition:</b> tensor.h:383</div></div>
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