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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>
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<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;dmlc/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"> 56</span>&#160;<span class="preprocessor"> #if MSHADOW_USE_CUTENSOR== 1</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; cutensorHandle_t cutensor_handle_;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a19575a11766ad1de72a5d174300e79a6"> 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#a19575a11766ad1de72a5d174300e79a6">blas_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#a159968e5249012a821f69c10f76f8d1e"> 62</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="l00064"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a5a71ddbac6b9e29728b13a384ca6af98"> 64</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="l00066"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#aab0c2a70b7d38d2f7c95d3a7614d006e"> 66</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#aab0c2a70b7d38d2f7c95d3a7614d006e">cutensor_handle_ownership_</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a766ad14f49c5839a357dbbc71c44abaa"> 67</a></span>&#160; <span class="keywordtype">void</span>* cutensor_cachelines_ = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4ec551c8440da0c89eb728e753906936"> 69</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="l00071"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a08409eff15849ff7abec6efe8019e396"> 71</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="l00072"></a><span class="lineno"> 72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0b3e4f27261b1954df7d6325222afad9"> 73</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="l00074"></a><span class="lineno"> 74</span>&#160; : stream_(0)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; , blas_handle_(0)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</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="l00077"></a><span class="lineno"> 77</span>&#160; , dnn_handle_(0)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;#endif</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">//, cutensor_handle_()</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; , blas_handle_ownership_(NoHandle)</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; , solver_handle_ownership_(NoHandle)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; , dnn_handle_ownership_(NoHandle)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; , cutensor_handle_ownership_(NoHandle)</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; , cutensor_cachelines_(nullptr){}</div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a46151b12d2eae79e0a1de4adc2a1d706"> 89</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="l00090"></a><span class="lineno"> 90</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="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a4dd8da1b8671eb740d59b513ae733cd2"> 96</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="l00097"></a><span class="lineno"> 97</span>&#160; cudaError_t err = cudaStreamQuery(stream_);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</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="l00099"></a><span class="lineno"> 99</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="l00100"></a><span class="lineno"> 100</span>&#160; LOG(FATAL) &lt;&lt; cudaGetErrorString(err);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a714d3b2fc16db0a400e18147cc678e21"> 107</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="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="preprocessor">#if MSHADOW_FORCE_STREAM</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</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="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</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="l00115"></a><span class="lineno"> 115</span>&#160; }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</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#ac518ec87c93d924a07bfd0ead182b571"> 121</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="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</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="l00126"></a><span class="lineno"> 126</span>&#160; &lt;&lt; <span class="stringliteral">&quot;No handle exist in source stream&quot;</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</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="l00128"></a><span class="lineno"> 128</span>&#160; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ae11ddc0ec4da83ce6e79ae5d9c8b8761"> 131</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="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">if</span> (blas_handle_ownership_ == OwnHandle) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; cublasStatus_t err = cublasDestroy(blas_handle_);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; blas_handle_ownership_ = NoHandle;</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;Destory cublas handle 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; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a6a323b3d583f5aae25eb76b1d239b7ca"> 139</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="l00140"></a><span class="lineno"> 140</span>&#160; this-&gt;DestroyBlasHandle();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; cublasStatus_t err = cublasCreate(&amp;blas_handle_);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; blas_handle_ownership_ = OwnHandle;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</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="l00144"></a><span class="lineno"> 144</span>&#160; err = cublasSetStream(blas_handle_, stream_);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</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="l00146"></a><span class="lineno"> 146</span>&#160; }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#acfc432c1165c8fb238df5e3bd9f9efcc"> 148</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="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</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="l00153"></a><span class="lineno"> 153</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="l00154"></a><span class="lineno"> 154</span>&#160; }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#af3c35c9a258285ffd719acf4d26d5e72"> 157</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="l00158"></a><span class="lineno"> 158</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">if</span> (solver_handle_ownership_ == OwnHandle) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; cusolverStatus_t err = cusolverDnDestroy(solver_handle_);</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;Destory cusolver handle failed&quot;</span>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</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"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab3cd3dff9583cd8f0129392eee5f55fe"> 165</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="l00166"></a><span class="lineno"> 166</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUSOLVER == 1</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; this-&gt;DestroySolverHandle();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; cusolverStatus_t err = cusolverDnCreate(&amp;solver_handle_);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</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="l00170"></a><span class="lineno"> 170</span>&#160; err = cusolverDnSetStream(solver_handle_, stream_);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</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="l00172"></a><span class="lineno"> 172</span>&#160; this-&gt;solver_handle_ownership_ = OwnHandle;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;<span class="preprocessor">#endif</span></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="comment">// #if MSHADOW_USE_CUDNN &amp;&amp; defined(__CUDACC__)</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDNN == 1</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</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="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordflow">if</span> (stream == NULL) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</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="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">return</span> stream-&gt;dnn_handle_;</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; }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab0fbdf3786a1e9766f2cec21aa56d38a"> 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#ab0fbdf3786a1e9766f2cec21aa56d38a">DestroyDnnHandle</a>() {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;<span class="comment">// #if MSHADOW_USE_CUDNN &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; <span class="keywordflow">if</span> (dnn_handle_ownership_ == OwnHandle) {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; cudnnStatus_t err = cudnnDestroy(dnn_handle_);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; this-&gt;dnn_handle_ownership_ = NoHandle;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; }</div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ac8a3c2ac65a6f91389b87b02e9083f86"> 196</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="l00197"></a><span class="lineno"> 197</span>&#160;<span class="comment">// #if MSHADOW_USE_CUDNN == 1 &amp;&amp; defined(__CUDACC__)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUDNN == 1</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; this-&gt;DestroyDnnHandle();</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; cudnnStatus_t err = cudnnCreate(&amp;dnn_handle_);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</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="l00203"></a><span class="lineno"> 203</span>&#160; this-&gt;dnn_handle_ownership_ = OwnHandle;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; err = cudnnSetStream(dnn_handle_, stream_);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; CHECK_EQ(err, CUDNN_STATUS_SUCCESS) &lt;&lt; cudnnGetErrorString(err);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="preprocessor">#endif</span></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"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0756e01ebbcb35f97a171c2cfa22a76c"> 208</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#a0756e01ebbcb35f97a171c2cfa22a76c">DestroyCuTensorHandle</a>() {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUTENSOR == 1</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordflow">if</span> (cutensor_handle_ownership_ == OwnHandle) {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="comment">// not destroy method available</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordflow">if</span> (cutensor_cachelines_ != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; cutensorStatus_t err;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span>* cacheFilename = getenv(<span class="stringliteral">&quot;MXNET_CUTENSOR_CACHEFILE&quot;</span>);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">if</span> (cacheFilename != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; err = cutensorHandleWriteCacheToFile(&amp;cutensor_handle_, cacheFilename);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; CHECK_EQ(err, CUTENSOR_STATUS_SUCCESS) &lt;&lt; cutensorGetErrorString(err);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; err = cutensorHandleDetachPlanCachelines(&amp;cutensor_handle_);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; CHECK_EQ(err, CUTENSOR_STATUS_SUCCESS) &lt;&lt; cutensorGetErrorString(err);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; free(cutensor_cachelines_);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; cutensor_cachelines_ = <span class="keyword">nullptr</span>;</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; this-&gt;cutensor_handle_ownership_ = NoHandle;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="preprocessor">#endif</span></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"><a class="line" href="structmshadow_1_1Stream_3_01gpu_01_4.html#abebd0b85f03d87dc098dda78910db391"> 228</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#abebd0b85f03d87dc098dda78910db391">CreateCuTensorHandle</a>() {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUTENSOR == 1</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; this-&gt;DestroyCuTensorHandle();</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; cutensorStatus_t err = cutensorInit(&amp;cutensor_handle_);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; CHECK_EQ(err, CUTENSOR_STATUS_SUCCESS) &lt;&lt; cutensorGetErrorString(err);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span>* cacheFilename = getenv(<span class="stringliteral">&quot;MXNET_CUTENSOR_CACHEFILE&quot;</span>);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">if</span> (cacheFilename != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; constexpr int32_t numCachelines = 1024;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="keywordtype">size_t</span> sizeCache = numCachelines * <span class="keyword">sizeof</span>(cutensorPlanCacheline_t);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; cutensor_cachelines_ = malloc(sizeCache);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; err = cutensorHandleAttachPlanCachelines(&amp;cutensor_handle_, (cutensorPlanCacheline_t*) cutensor_cachelines_, numCachelines);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; CHECK_EQ(err, CUTENSOR_STATUS_SUCCESS) &lt;&lt; cutensorGetErrorString(err);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; uint32_t numCachelinesRead = 0;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; cutensorStatus_t status = cutensorHandleReadCacheFromFile(&amp;cutensor_handle_, cacheFilename, &amp;numCachelinesRead);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">if</span> (status == CUTENSOR_STATUS_IO_ERROR) {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; printf(<span class="stringliteral">&quot;File (%s) doesn&#39;t seem to exist.\n&quot;</span>, cacheFilename);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status == CUTENSOR_STATUS_INSUFFICIENT_WORKSPACE) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; printf(<span class="stringliteral">&quot;Cannot read cache: Please attach at least %d cachelines to the handle.\n&quot;</span>, numCachelinesRead);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</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="l00250"></a><span class="lineno"> 250</span>&#160; this-&gt;cutensor_handle_ownership_ = OwnHandle;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;};</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="namespacemshadow.html#a5d8687821fd6ecf8e271b996df51415c"> 255</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="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keywordflow">if</span> (stream) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0756e01ebbcb35f97a171c2cfa22a76c">DestroyCuTensorHandle</a>();</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a8f433b4dd005a854eec58178ffd3d4bd">MSHADOW_CUDA_CALL</a>(cudaStreamDestroy(stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#a07e51e51721e2561c26dd93bbd03da18">stream_</a>));</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ae11ddc0ec4da83ce6e79ae5d9c8b8761">DestroyBlasHandle</a>();</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#af3c35c9a258285ffd719acf4d26d5e72">DestroySolverHandle</a>();</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; stream-&gt;<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html#ab0fbdf3786a1e9766f2cec21aa56d38a">DestroyDnnHandle</a>();</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keyword">delete</span> stream;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;}</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="namespacemshadow.html#a89b0009770915378c66bc9647040776d"> 266</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="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keywordtype">bool</span> create_dnn_handle,</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keywordtype">int</span> dev_id) {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="comment">// RAII on Cuda exception</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</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="l00271"></a><span class="lineno"> 271</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="l00272"></a><span class="lineno"> 272</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="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">if</span> (create_blas_handle) {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; st-&gt;CreateBlasHandle();</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; st-&gt;CreateSolverHandle();</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; }</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="keywordflow">if</span> (create_dnn_handle) {</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; st-&gt;CreateDnnHandle();</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;<span class="preprocessor">#if MSHADOW_USE_CUTENSOR == 1</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; st-&gt;CreateCuTensorHandle();</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; st-&gt;dev_id = dev_id;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">if</span> (dev_id != -1) {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</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="l00286"></a><span class="lineno"> 286</span>&#160; }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="keywordflow">return</span> st.release();</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;}</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;} <span class="comment">// namespace mshadow</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;<span class="preprocessor">#endif // MSHADOW_STREAM_GPU_INL_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructmshadow_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:62</div></div>
<div class="ttc" id="astructmshadow_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:488</div></div>
<div class="ttc" id="astructmshadow_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:131</div></div>
<div class="ttc" id="anamespacemshadow_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:255</div></div>
<div class="ttc" id="astructmshadow_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:157</div></div>
<div class="ttc" id="astructmshadow_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:186</div></div>
<div class="ttc" id="a3rdparty_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:122</div></div>
<div class="ttc" id="astructmshadow_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:165</div></div>
<div class="ttc" id="astructmshadow_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="a3rdparty_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:264</div></div>
<div class="ttc" id="astructmshadow_1_1Stream_3_01gpu_01_4_html_abebd0b85f03d87dc098dda78910db391"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#abebd0b85f03d87dc098dda78910db391">mshadow::Stream&lt; gpu &gt;::CreateCuTensorHandle</a></div><div class="ttdeci">void CreateCuTensorHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:228</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_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="astructmshadow_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:71</div></div>
<div class="ttc" id="astructmshadow_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:139</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_1_1Stream_3_01gpu_01_4_html_aab0c2a70b7d38d2f7c95d3a7614d006e"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#aab0c2a70b7d38d2f7c95d3a7614d006e">mshadow::Stream&lt; gpu &gt;::cutensor_handle_ownership_</a></div><div class="ttdeci">HandleState cutensor_handle_ownership_</div><div class="ttdoc">cutensor handle ownership</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:66</div></div>
<div class="ttc" id="atensor_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="astructmshadow_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:121</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_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:73</div></div>
<div class="ttc" id="anamespacemshadow_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:266</div></div>
<div class="ttc" id="astructmshadow_1_1Stream_3_01gpu_01_4_html_a0756e01ebbcb35f97a171c2cfa22a76c"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html#a0756e01ebbcb35f97a171c2cfa22a76c">mshadow::Stream&lt; gpu &gt;::DestroyCuTensorHandle</a></div><div class="ttdeci">void DestroyCuTensorHandle()</div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:208</div></div>
<div class="ttc" id="astructmshadow_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:107</div></div>
<div class="ttc" id="astructmshadow_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:60</div></div>
<div class="ttc" id="astructmshadow_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:148</div></div>
<div class="ttc" id="astructmshadow_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:69</div></div>
<div class="ttc" id="astructmshadow_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:89</div></div>
<div class="ttc" id="anamespacemshadow_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:319</div></div>
<div class="ttc" id="astructmshadow_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:196</div></div>
<div class="ttc" id="astructmshadow_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:64</div></div>
<div class="ttc" id="astructmshadow_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="a3rdparty_2mshadow_2mshadow_2base_8h_html"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html">base.h</a></div><div class="ttdoc">definitions of base types, operators, macros functions</div></div>
<div class="ttc" id="astructmshadow_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:96</div></div>
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