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<a href="arch_2mma__sm61_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/***************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2017-2019, NVIDIA CORPORATION. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * provided that the following conditions are met:</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * * Redistributions of source code must retain the above copyright notice, this list of</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * conditions and the following disclaimer.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * * Redistributions in binary form must reproduce the above copyright notice, this list of</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * conditions and the following disclaimer in the documentation and/or other materials</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * provided with the distribution.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * to endorse or promote products derived from this software without specific prior written</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * permission.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> **************************************************************************************************/</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="layout_2matrix_8h.html">cutlass/layout/matrix.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespacecutlass.html">cutlass</a> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>arch {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">template</span> <<span class="keyword">typename</span> LayoutA, <span class="keyword">typename</span> LayoutB, <span class="keyword">typename</span> LayoutC></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72.html"> 42</a></span> <span class="keyword">struct </span><a class="code" href="structcutlass_1_1arch_1_1Mma.html">Mma</a><</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  gemm::GemmShape<1,1,4>,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  1,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  int8_t,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  LayoutA,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  int8_t,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  LayoutB,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  int,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  LayoutC,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  OpMultiplyAdd> {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72.html#a5cbb572ae59ab9f646e8267cbb105587"> 53</a></span>  <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">Shape</a> = <a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">gemm::GemmShape<1, 1, 4></a>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72.html#a35db4d9db337ee70832b44e5aa76fe23"> 56</a></span>  <span class="keywordtype">void</span> <a class="code" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72.html#a35db4d9db337ee70832b44e5aa76fe23">operator()</a>(</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Array<int, 1> &d,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  Array<int8_t, 4> <span class="keyword">const</span> &a,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  Array<int8_t, 4> <span class="keyword">const</span> &b,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Array<int, 1> <span class="keyword">const</span> &c</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ) {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 610))</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">unsigned</span> <span class="keyword">const</span> &A = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keyword">const </span>&<span class="keyword">></span>(a);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">unsigned</span> <span class="keyword">const</span> &B = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keyword">const </span>&<span class="keyword">></span>(b);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"dp4a.s32.s32 %0, %1, %2, %3;"</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : <span class="stringliteral">"=r"</span>(d[0])</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  : <span class="stringliteral">"r"</span>(A), <span class="stringliteral">"r"</span>(B), <span class="stringliteral">"r"</span>(c[0]));</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  d[0] = c[0];</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="cutlass_8h.html#a4b1c9f25ab6eaa25e1f2258dd63e6ce4">CUTLASS_PRAGMA_UNROLL</a></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < 4; ++k) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  d[0] += a[k] * b[k];</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> };</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">template</span> <<span class="keyword">typename</span> LayoutC></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db.html"> 89</a></span> <span class="keyword">struct </span><a class="code" href="structcutlass_1_1arch_1_1Mma.html">Mma</a><</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  gemm::GemmShape<1, 1, 2>,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  1,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  int16_t,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classcutlass_1_1layout_1_1RowMajor.html">layout::RowMajor</a>,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  int16_t,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classcutlass_1_1layout_1_1ColumnMajor.html">layout::ColumnMajor</a>,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  int,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  LayoutC,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  OpMultiplyAdd> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db.html#aaf750904611c3802b965c7c4643eed26"> 100</a></span>  <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">Shape</a> = <a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">gemm::GemmShape<1, 1, 2></a>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db.html#acb6436ae8878e9c988517485d02ffc92"> 103</a></span>  <span class="keywordtype">void</span> <a class="code" href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db.html#acb6436ae8878e9c988517485d02ffc92">operator()</a>(</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Array<int, 1> &d,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Array<int16_t, 2> <span class="keyword">const</span> &a,</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  Array<int16_t, 2> <span class="keyword">const</span> &b,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Array<int, 1> <span class="keyword">const</span> &c</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 610))</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">unsigned</span> <span class="keyword">const</span> &A = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keyword">const </span>&<span class="keyword">></span>(a);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">unsigned</span> <span class="keyword">const</span> &B = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keyword">const </span>&<span class="keyword">></span>(b);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"dp2a.s32.s32 %0, %1, %2, %3;"</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  : <span class="stringliteral">"=r"</span>(d[0])</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  : <span class="stringliteral">"r"</span>(A), <span class="stringliteral">"r"</span>(B), <span class="stringliteral">"r"</span>(c[0]));</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  d[0] = c[0];</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="cutlass_8h.html#a4b1c9f25ab6eaa25e1f2258dd63e6ce4">CUTLASS_PRAGMA_UNROLL</a></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < 2; ++k) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  d[0] += a[k] * b[k];</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> };</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="ttc" id="namespacecutlass_html"><div class="ttname"><a href="namespacecutlass.html">cutlass</a></div><div class="ttdef"><b>Definition:</b> aligned_buffer.h:35</div></div>
<div class="ttc" id="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72_html_a35db4d9db337ee70832b44e5aa76fe23"><div class="ttname"><a href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_014_01_4_00_011_00_01int8__t_a1ef6624fc8c10126f17f4ee88283d72.html#a35db4d9db337ee70832b44e5aa76fe23">cutlass::arch::Mma< gemm::GemmShape< 1, 1, 4 >, 1, int8_t, LayoutA, int8_t, LayoutB, int, LayoutC, OpMultiplyAdd >::operator()</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE void operator()(Array< int, 1 > &d, Array< int8_t, 4 > const &a, Array< int8_t, 4 > const &b, Array< int, 1 > const &c)</div><div class="ttdef"><b>Definition:</b> arch/mma_sm61.h:56</div></div>
<div class="ttc" id="classcutlass_1_1layout_1_1ColumnMajor_html"><div class="ttname"><a href="classcutlass_1_1layout_1_1ColumnMajor.html">cutlass::layout::ColumnMajor</a></div><div class="ttdoc">Mapping function for column-major matrices. </div><div class="ttdef"><b>Definition:</b> layout/matrix.h:142</div></div>
<div class="ttc" id="cutlass_8h_html_a4b1c9f25ab6eaa25e1f2258dd63e6ce4"><div class="ttname"><a href="cutlass_8h.html#a4b1c9f25ab6eaa25e1f2258dd63e6ce4">CUTLASS_PRAGMA_UNROLL</a></div><div class="ttdeci">#define CUTLASS_PRAGMA_UNROLL</div><div class="ttdef"><b>Definition:</b> cutlass.h:110</div></div>
<div class="ttc" id="cutlass_8h_html_a28c2443a142676d3d71effdae1a986b1"><div class="ttname"><a href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="ttdeci">#define CUTLASS_HOST_DEVICE</div><div class="ttdef"><b>Definition:</b> cutlass.h:89</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1GemmShape_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmShape.html">cutlass::gemm::GemmShape</a></div><div class="ttdoc">Shape of a matrix multiply-add operation. </div><div class="ttdef"><b>Definition:</b> include/cutlass/gemm/gemm.h:57</div></div>
<div class="ttc" id="classcutlass_1_1layout_1_1RowMajor_html"><div class="ttname"><a href="classcutlass_1_1layout_1_1RowMajor.html">cutlass::layout::RowMajor</a></div><div class="ttdoc">Mapping function for row-major matrices. </div><div class="ttdef"><b>Definition:</b> layout/matrix.h:50</div></div>
<div class="ttc" id="layout_2matrix_8h_html"><div class="ttname"><a href="layout_2matrix_8h.html">matrix.h</a></div><div class="ttdoc">Defines layout functions used by TensorRef and derived classes. </div></div>
<div class="ttc" id="structcutlass_1_1arch_1_1Mma_html"><div class="ttname"><a href="structcutlass_1_1arch_1_1Mma.html">cutlass::arch::Mma</a></div><div class="ttdoc">Matrix multiply-add operation. </div><div class="ttdef"><b>Definition:</b> arch/mma.h:92</div></div>
<div class="ttc" id="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db_html_acb6436ae8878e9c988517485d02ffc92"><div class="ttname"><a href="structcutlass_1_1arch_1_1Mma_3_01gemm_1_1GemmShape_3_011_00_011_00_012_01_4_00_011_00_01int16__t8c4bac365710598317a69c489f7239db.html#acb6436ae8878e9c988517485d02ffc92">cutlass::arch::Mma< gemm::GemmShape< 1, 1, 2 >, 1, int16_t, layout::RowMajor, int16_t, layout::ColumnMajor, int, LayoutC, OpMultiplyAdd >::operator()</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE void operator()(Array< int, 1 > &d, Array< int16_t, 2 > const &a, Array< int16_t, 2 > const &b, Array< int, 1 > const &c)</div><div class="ttdef"><b>Definition:</b> arch/mma_sm61.h:103</div></div>
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