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| <p>common utils for cuda |
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| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType.html">CublasType</a></td></tr> |
| <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Converts between C++ datatypes and enums/constants needed by cuBLAS. <a href="structmxnet_1_1common_1_1cuda_1_1CublasType.html#details">More...</a><br /></td></tr> |
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| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType_3_01double_01_4.html">CublasType< double ></a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType_3_01float_01_4.html">CublasType< float ></a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType_3_01int32__t_01_4.html">CublasType< int32_t ></a></td></tr> |
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| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType_3_01mshadow_1_1half_1_1half__t_01_4.html">CublasType< mshadow::half::half_t ></a></td></tr> |
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| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmxnet_1_1common_1_1cuda_1_1CublasType_3_01uint8__t_01_4.html">CublasType< uint8_t ></a></td></tr> |
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| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1common_1_1cuda_1_1DeviceStore.html">DeviceStore</a></td></tr> |
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:a9feee613a4f16a954dd68e55345a72ac"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#a9feee613a4f16a954dd68e55345a72ac">CublasGetErrorString</a> (cublasStatus_t error)</td></tr> |
| <tr class="memdesc:a9feee613a4f16a954dd68e55345a72ac"><td class="mdescLeft"> </td><td class="mdescRight">Get string representation of cuBLAS errors. <a href="#a9feee613a4f16a954dd68e55345a72ac">More...</a><br /></td></tr> |
| <tr class="separator:a9feee613a4f16a954dd68e55345a72ac"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abf9bcb4cb696e9ae61b818510dac39c8"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#abf9bcb4cb696e9ae61b818510dac39c8">CusolverGetErrorString</a> (cusolverStatus_t error)</td></tr> |
| <tr class="memdesc:abf9bcb4cb696e9ae61b818510dac39c8"><td class="mdescLeft"> </td><td class="mdescRight">Get string representation of cuSOLVER errors. <a href="#abf9bcb4cb696e9ae61b818510dac39c8">More...</a><br /></td></tr> |
| <tr class="separator:abf9bcb4cb696e9ae61b818510dac39c8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a97c06b2f4d26445a7386b0f54fae1feb"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#a97c06b2f4d26445a7386b0f54fae1feb">CurandGetErrorString</a> (curandStatus_t status)</td></tr> |
| <tr class="memdesc:a97c06b2f4d26445a7386b0f54fae1feb"><td class="mdescLeft"> </td><td class="mdescRight">Get string representation of cuRAND errors. <a href="#a97c06b2f4d26445a7386b0f54fae1feb">More...</a><br /></td></tr> |
| <tr class="separator:a97c06b2f4d26445a7386b0f54fae1feb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6f3ee04eb382c57e10916108db3efd80"><td class="memTemplParams" colspan="2">template<typename DType > </td></tr> |
| <tr class="memitem:a6f3ee04eb382c57e10916108db3efd80"><td class="memTemplItemLeft" align="right" valign="top">DType __device__ </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#a6f3ee04eb382c57e10916108db3efd80">CudaMax</a> (DType a, DType b)</td></tr> |
| <tr class="separator:a6f3ee04eb382c57e10916108db3efd80"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a03888f252f813f6d052ae84bf8801498"><td class="memTemplParams" colspan="2">template<typename DType > </td></tr> |
| <tr class="memitem:a03888f252f813f6d052ae84bf8801498"><td class="memTemplItemLeft" align="right" valign="top">DType __device__ </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#a03888f252f813f6d052ae84bf8801498">CudaMin</a> (DType a, DType b)</td></tr> |
| <tr class="separator:a03888f252f813f6d052ae84bf8801498"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa7e0a8f7264c65d8000560d84d7fc54d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#aa7e0a8f7264c65d8000560d84d7fc54d">get_load_type</a> (size_t N)</td></tr> |
| <tr class="memdesc:aa7e0a8f7264c65d8000560d84d7fc54d"><td class="mdescLeft"> </td><td class="mdescRight">Get the largest datatype suitable to read requested number of bytes. <a href="#aa7e0a8f7264c65d8000560d84d7fc54d">More...</a><br /></td></tr> |
| <tr class="separator:aa7e0a8f7264c65d8000560d84d7fc54d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a7608f1c1700694e453f37cfadfe9e30e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemxnet_1_1common_1_1cuda.html#a7608f1c1700694e453f37cfadfe9e30e">get_rows_per_block</a> (size_t row_size, int num_threads_per_block)</td></tr> |
| <tr class="memdesc:a7608f1c1700694e453f37cfadfe9e30e"><td class="mdescLeft"> </td><td class="mdescRight">Determine how many rows in a 2D matrix should a block of threads handle based on the row size and the number of threads in a block. <a href="#a7608f1c1700694e453f37cfadfe9e30e">More...</a><br /></td></tr> |
| <tr class="separator:a7608f1c1700694e453f37cfadfe9e30e"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>common utils for cuda </p> |
| </div><h2 class="groupheader">Function Documentation</h2> |
| <a id="a9feee613a4f16a954dd68e55345a72ac"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a9feee613a4f16a954dd68e55345a72ac">◆ </a></span>CublasGetErrorString()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const char* mxnet::common::cuda::CublasGetErrorString </td> |
| <td>(</td> |
| <td class="paramtype">cublasStatus_t </td> |
| <td class="paramname"><em>error</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get string representation of cuBLAS errors. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">error</td><td>The error. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>String representation. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a6f3ee04eb382c57e10916108db3efd80"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6f3ee04eb382c57e10916108db3efd80">◆ </a></span>CudaMax()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename DType > </div> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">DType __device__ mxnet::common::cuda::CudaMax </td> |
| <td>(</td> |
| <td class="paramtype">DType </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">DType </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a03888f252f813f6d052ae84bf8801498"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a03888f252f813f6d052ae84bf8801498">◆ </a></span>CudaMin()</h2> |
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| <div class="memitem"> |
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| <div class="memtemplate"> |
| template<typename DType > </div> |
| <table class="mlabels"> |
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| <tr> |
| <td class="memname">DType __device__ mxnet::common::cuda::CudaMin </td> |
| <td>(</td> |
| <td class="paramtype">DType </td> |
| <td class="paramname"><em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">DType </td> |
| <td class="paramname"><em>b</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
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| </div> |
| <a id="a97c06b2f4d26445a7386b0f54fae1feb"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a97c06b2f4d26445a7386b0f54fae1feb">◆ </a></span>CurandGetErrorString()</h2> |
| |
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| <table class="memname"> |
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| <td class="memname">const char* mxnet::common::cuda::CurandGetErrorString </td> |
| <td>(</td> |
| <td class="paramtype">curandStatus_t </td> |
| <td class="paramname"><em>status</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get string representation of cuRAND errors. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">status</td><td>The status. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>String representation. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="abf9bcb4cb696e9ae61b818510dac39c8"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abf9bcb4cb696e9ae61b818510dac39c8">◆ </a></span>CusolverGetErrorString()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
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| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const char* mxnet::common::cuda::CusolverGetErrorString </td> |
| <td>(</td> |
| <td class="paramtype">cusolverStatus_t </td> |
| <td class="paramname"><em>error</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get string representation of cuSOLVER errors. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">error</td><td>The error. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>String representation. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="aa7e0a8f7264c65d8000560d84d7fc54d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa7e0a8f7264c65d8000560d84d7fc54d">◆ </a></span>get_load_type()</h2> |
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| <div class="memitem"> |
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| <tr> |
| <td class="memname">int mxnet::common::cuda::get_load_type </td> |
| <td>(</td> |
| <td class="paramtype">size_t </td> |
| <td class="paramname"><em>N</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get the largest datatype suitable to read requested number of bytes. </p> |
| <p>Number of bytes to be read </p><dl class="section return"><dt>Returns</dt><dd>mshadow representation of type that could be used for reading </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a7608f1c1700694e453f37cfadfe9e30e"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a7608f1c1700694e453f37cfadfe9e30e">◆ </a></span>get_rows_per_block()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int mxnet::common::cuda::get_rows_per_block </td> |
| <td>(</td> |
| <td class="paramtype">size_t </td> |
| <td class="paramname"><em>row_size</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>num_threads_per_block</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Determine how many rows in a 2D matrix should a block of threads handle based on the row size and the number of threads in a block. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">row_size</td><td>Size of the row expressed in the number of reads required to fully load it. For example, if the row has N elements, but each thread reads 2 elements with a single read, row_size should be N / 2. </td></tr> |
| <tr><td class="paramname">num_threads_per_block</td><td>Number of threads in a block. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>the number of rows that should be handled by a single block. </dd></dl> |
| |
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