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 118   <div class="summary">
 119 <a href="#pub-methods">Public Member Functions</a> &#124;
 120 <a href="#pub-static-methods">Static Public Member Functions</a>  </div>
 121   <div class="headertitle">
 122 <div class="title">CLGEMMLowpMatrixMultiplyCore Class Reference</div>  </div>
 123 </div><!--header-->
 124 <div class="contents">
 125
 126 <p>Basic function to execute GEMMLowpMatrixMultiplyCore on OpenCL.
 127  <a href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml#details">More...</a></p>
 128
 129 <p><code>#include &lt;<a class="el" href="_c_l_g_e_m_m_lowp_matrix_multiply_core_8h_source.xhtml">CLGEMMLowpMatrixMultiplyCore.h</a>&gt;</code></p>
 130 <div class="dynheader">
 131 Collaboration diagram for CLGEMMLowpMatrixMultiplyCore:</div>
 132 <div class="dyncontent">
 133 <div class="center"><iframe scrolling="no" frameborder="0" src="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core__coll__graph.svg" width="238" height="112"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
 134 </div>
 135 <center><span class="legend">[<a target="top" href="graph_legend.xhtml">legend</a>]</span></center></div>
 136 <table class="memberdecls">
 137 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 138 Public Member Functions</h2></td></tr>
 139 <tr class="memitem:a1c3a177d5a3188691c9946e1a78839d0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml#a1c3a177d5a3188691c9946e1a78839d0">CLGEMMLowpMatrixMultiplyCore</a> (std::shared_ptr&lt; <a class="el" href="classarm__compute_1_1_i_memory_manager.xhtml">IMemoryManager</a> &gt; memory_manager=nullptr)</td></tr>
 140 <tr class="memdesc:a1c3a177d5a3188691c9946e1a78839d0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <a href="#a1c3a177d5a3188691c9946e1a78839d0">More...</a><br /></td></tr>
 141 <tr class="separator:a1c3a177d5a3188691c9946e1a78839d0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 142 <tr class="memitem:a507a231e2fc47ce556a5863bd1a48e1f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml#a507a231e2fc47ce556a5863bd1a48e1f">configure</a> (const <a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *a, const <a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *b, <a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *output, const <a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a> &amp;gemm_info=<a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a>())</td></tr>
 143 <tr class="memdesc:a507a231e2fc47ce556a5863bd1a48e1f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise the kernel's inputs, output.  <a href="#a507a231e2fc47ce556a5863bd1a48e1f">More...</a><br /></td></tr>
 144 <tr class="separator:a507a231e2fc47ce556a5863bd1a48e1f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 145 <tr class="memitem:ad1717410afd0be936c6213a63c8005fb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml#ad1717410afd0be936c6213a63c8005fb">run</a> () override</td></tr>
 146 <tr class="memdesc:ad1717410afd0be936c6213a63c8005fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Run the kernels contained in the function.  <a href="#ad1717410afd0be936c6213a63c8005fb">More...</a><br /></td></tr>
 147 <tr class="separator:ad1717410afd0be936c6213a63c8005fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 148 <tr class="inherit_header pub_methods_classarm__compute_1_1_i_function"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classarm__compute_1_1_i_function')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classarm__compute_1_1_i_function.xhtml">IFunction</a></td></tr>
 149 <tr class="memitem:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_i_function.xhtml#ab921ecc3f3f6ae2b4bd61f3e1998d8c4">~IFunction</a> ()=default</td></tr>
 150 <tr class="memdesc:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="#ab921ecc3f3f6ae2b4bd61f3e1998d8c4">More...</a><br /></td></tr>
 151 <tr class="separator:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memSeparator" colspan="2">&#160;</td></tr>
 152 <tr class="memitem:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_i_function.xhtml#a820f7291c24155a2980512fae45aac26">prepare</a> ()</td></tr>
 153 <tr class="memdesc:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepare the function for executing.  <a href="#a820f7291c24155a2980512fae45aac26">More...</a><br /></td></tr>
 154 <tr class="separator:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memSeparator" colspan="2">&#160;</td></tr>
 155 </table><table class="memberdecls">
 156 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
 157 Static Public Member Functions</h2></td></tr>
 158 <tr class="memitem:abcbef27f34f4b4d09106e19c12892aa4"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classarm__compute_1_1_status.xhtml">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml#abcbef27f34f4b4d09106e19c12892aa4">validate</a> (const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *a, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *b, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *output, const <a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a> &amp;gemm_info=<a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a>())</td></tr>
 159 <tr class="memdesc:abcbef27f34f4b4d09106e19c12892aa4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Static function to check if given info will lead to a valid configuration of <a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml">CLGEMMLowpMatrixMultiplyCore</a>.  <a href="#abcbef27f34f4b4d09106e19c12892aa4">More...</a><br /></td></tr>
 160 <tr class="separator:abcbef27f34f4b4d09106e19c12892aa4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 161 </table>
 162 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 163 <div class="textblock"><p>Basic function to execute GEMMLowpMatrixMultiplyCore on OpenCL. </p>
 164 <p>This function calls the following OpenCL kernels:</p>
 165 <ol type="1">
 166 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_interleave4x4_kernel.xhtml">CLGEMMInterleave4x4Kernel</a> (if the output tensor is a matrix)</li>
 167 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_transpose1x_w_kernel.xhtml">CLGEMMTranspose1xWKernel</a> (if the output tensor is a matrix)</li>
 168 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_kernel.xhtml">CLGEMMLowpMatrixMultiplyKernel</a></li>
 169 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_a_reduction_kernel.xhtml">CLGEMMLowpMatrixAReductionKernel</a> (if the offset of matrix B is not 0)</li>
 170 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_b_reduction_kernel.xhtml">CLGEMMLowpMatrixBReductionKernel</a> (if the offset of matrix A is not 0)</li>
 171 <li><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_offset_contribution_kernel.xhtml">CLGEMMLowpOffsetContributionKernel</a> </li>
 172 </ol>
 173
 174 <p>Definition at line <a class="el" href="_c_l_g_e_m_m_lowp_matrix_multiply_core_8h_source.xhtml#l00051">51</a> of file <a class="el" href="_c_l_g_e_m_m_lowp_matrix_multiply_core_8h_source.xhtml">CLGEMMLowpMatrixMultiplyCore.h</a>.</p>
 175 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 176 <a class="anchor" id="a1c3a177d5a3188691c9946e1a78839d0"></a>
 177 <div class="memitem">
 178 <div class="memproto">
 179       <table class="memname">
 180         <tr>
 181           <td class="memname"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml">CLGEMMLowpMatrixMultiplyCore</a> </td>
 182           <td>(</td>
 183           <td class="paramtype">std::shared_ptr&lt; <a class="el" href="classarm__compute_1_1_i_memory_manager.xhtml">IMemoryManager</a> &gt;&#160;</td>
 184           <td class="paramname"><em>memory_manager</em> = <code>nullptr</code></td><td>)</td>
 185           <td></td>
 186         </tr>
 187       </table>
 188 </div><div class="memdoc">
 189
 190 <p>Constructor. </p>
 191
 192 </div>
 193 </div>
 194 <h2 class="groupheader">Member Function Documentation</h2>
 195 <a class="anchor" id="a507a231e2fc47ce556a5863bd1a48e1f"></a>
 196 <div class="memitem">
 197 <div class="memproto">
 198       <table class="memname">
 199         <tr>
 200           <td class="memname">void configure </td>
 201           <td>(</td>
 202           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *&#160;</td>
 203           <td class="paramname"><em>a</em>, </td>
 204         </tr>
 205         <tr>
 206           <td class="paramkey"></td>
 207           <td></td>
 208           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *&#160;</td>
 209           <td class="paramname"><em>b</em>, </td>
 210         </tr>
 211         <tr>
 212           <td class="paramkey"></td>
 213           <td></td>
 214           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_c_l_tensor.xhtml">ICLTensor</a> *&#160;</td>
 215           <td class="paramname"><em>output</em>, </td>
 216         </tr>
 217         <tr>
 218           <td class="paramkey"></td>
 219           <td></td>
 220           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a> &amp;&#160;</td>
 221           <td class="paramname"><em>gemm_info</em> = <code><a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a>()</code>&#160;</td>
 222         </tr>
 223         <tr>
 224           <td></td>
 225           <td>)</td>
 226           <td></td><td></td>
 227         </tr>
 228       </table>
 229 </div><div class="memdoc">
 230
 231 <p>Initialise the kernel's inputs, output. </p>
 232 <dl class="section note"><dt>Note</dt><dd>GEMM_LOWP: low precision GEMM kernel This kernel performs the following computations:</dd></dl>
 233 <ol type="1">
 234 <li>Convert a values from QASYMM8 to int32 and add a_offset to each of them.</li>
 235 <li>Convert b values from QASYMM8 to int32 add b_offset to each of them.</li>
 236 <li>Compute the matrix product of the resulting a * b in int32.</li>
 237 </ol>
 238 <dl class="params"><dt>Parameters</dt><dd>
 239   <table class="params">
 240     <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input tensor (Matrix A). Data type supported: QASYMM8. </td></tr>
 241     <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input tensor (Matrix B). Data type supported: same as <code>a</code> </td></tr>
 242     <tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Output tensor. Data type supported: Data type supported: S32 </td></tr>
 243     <tr><td class="paramdir">[in]</td><td class="paramname">gemm_info</td><td>(Optional) Specifies if the matrix A and/or matrix B have been reshaped and if the reshape of matrix B should be executed only for the first run </td></tr>
 244   </table>
 245   </dd>
 246 </dl>
 247
 248 </div>
 249 </div>
 250 <a class="anchor" id="ad1717410afd0be936c6213a63c8005fb"></a>
 251 <div class="memitem">
 252 <div class="memproto">
 253 <table class="mlabels">
 254   <tr>
 255   <td class="mlabels-left">
 256       <table class="memname">
 257         <tr>
 258           <td class="memname">void run </td>
 259           <td>(</td>
 260           <td class="paramname"></td><td>)</td>
 261           <td></td>
 262         </tr>
 263       </table>
 264   </td>
 265   <td class="mlabels-right">
 266 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
 267   </tr>
 268 </table>
 269 </div><div class="memdoc">
 270
 271 <p>Run the kernels contained in the function. </p>
 272 <p>For NEON kernels:</p><ul>
 273 <li>Multi-threading is used for the kernels which are parallelisable.</li>
 274 <li>By default std::thread::hardware_concurrency() threads are used.</li>
 275 </ul>
 276 <dl class="section note"><dt>Note</dt><dd><a class="el" href="classarm__compute_1_1_c_p_p_scheduler.xhtml#ae64eebaa07f4d2da6cc2ba538c3cb095">CPPScheduler::set_num_threads()</a> can be used to manually set the number of threads</dd></dl>
 277 <p>For OpenCL kernels:</p><ul>
 278 <li>All the kernels are enqueued on the queue associated with <a class="el" href="classarm__compute_1_1_c_l_scheduler.xhtml" title="Provides global access to a CL context and command queue. ">CLScheduler</a>.</li>
 279 <li>The queue is then flushed.</li>
 280 </ul>
 281 <dl class="section note"><dt>Note</dt><dd>The function will not block until the kernels are executed. It is the user's responsibility to wait. </dd>
 282 <dd>
 283 Will call <a class="el" href="classarm__compute_1_1_i_function.xhtml#a820f7291c24155a2980512fae45aac26" title="Prepare the function for executing. ">prepare()</a> on first run if hasn't been done </dd></dl>
 284
 285 <p>Implements <a class="el" href="classarm__compute_1_1_i_function.xhtml#a18954417d3124a8095783ea13dc6d00b">IFunction</a>.</p>
 286
 287 </div>
 288 </div>
 289 <a class="anchor" id="abcbef27f34f4b4d09106e19c12892aa4"></a>
 290 <div class="memitem">
 291 <div class="memproto">
 292 <table class="mlabels">
 293   <tr>
 294   <td class="mlabels-left">
 295       <table class="memname">
 296         <tr>
 297           <td class="memname">static <a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> validate </td>
 298           <td>(</td>
 299           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
 300           <td class="paramname"><em>a</em>, </td>
 301         </tr>
 302         <tr>
 303           <td class="paramkey"></td>
 304           <td></td>
 305           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
 306           <td class="paramname"><em>b</em>, </td>
 307         </tr>
 308         <tr>
 309           <td class="paramkey"></td>
 310           <td></td>
 311           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
 312           <td class="paramname"><em>output</em>, </td>
 313         </tr>
 314         <tr>
 315           <td class="paramkey"></td>
 316           <td></td>
 317           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a> &amp;&#160;</td>
 318           <td class="paramname"><em>gemm_info</em> = <code><a class="el" href="classarm__compute_1_1_g_e_m_m_info.xhtml">GEMMInfo</a>()</code>&#160;</td>
 319         </tr>
 320         <tr>
 321           <td></td>
 322           <td>)</td>
 323           <td></td><td></td>
 324         </tr>
 325       </table>
 326   </td>
 327   <td class="mlabels-right">
 328 <span class="mlabels"><span class="mlabel">static</span></span>  </td>
 329   </tr>
 330 </table>
 331 </div><div class="memdoc">
 332
 333 <p>Static function to check if given info will lead to a valid configuration of <a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml">CLGEMMLowpMatrixMultiplyCore</a>. </p>
 334 <dl class="params"><dt>Parameters</dt><dd>
 335   <table class="params">
 336     <tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>First input tensor (Matrix A). Data type supported: QASYMM8. </td></tr>
 337     <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>Second input tensor (Matrix B). Data type supported: same as <code>a</code> </td></tr>
 338     <tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>Output tensor. Data type supported: Data type supported: S32 </td></tr>
 339     <tr><td class="paramdir">[in]</td><td class="paramname">gemm_info</td><td>(Optional) Specifies if the matrix A and/or matrix B have been reshaped and if the reshape of matrix B should be executed only for the first run</td></tr>
 340   </table>
 341   </dd>
 342 </dl>
 343 <dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
 344
 345 </div>
 346 </div>
 347 <hr/>The documentation for this class was generated from the following file:<ul>
 348 <li>arm_compute/runtime/CL/functions/<a class="el" href="_c_l_g_e_m_m_lowp_matrix_multiply_core_8h_source.xhtml">CLGEMMLowpMatrixMultiplyCore.h</a></li>
 349 </ul>
 350 </div><!-- contents -->
 351 </div><!-- doc-content -->
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 354   <ul>
 355     <li class="navelem"><a class="el" href="namespacearm__compute.xhtml">arm_compute</a></li><li class="navelem"><a class="el" href="classarm__compute_1_1_c_l_g_e_m_m_lowp_matrix_multiply_core.xhtml">CLGEMMLowpMatrixMultiplyCore</a></li>
 356     <li class="footer">Generated on Wed May 23 2018 11:36:40 for Compute Library by
 357     <a href="http://www.doxygen.org/index.html">
 358     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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