<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.11"/>
<title>CUTLASS: wmma_sm70.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { init_search(); });
</script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="cutlass-logo-small.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">CUTLASS
</div>
<div id="projectbrief">CUDA Templates for Linear Algebra Subroutines and Solvers</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.11 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_6baf2bb612a2f0daa69af3101ede80a1.html">cutlass</a></li><li class="navelem"><a class="el" href="dir_048c1df36ab9c2efbb0733edba6291c9.html">arch</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">wmma_sm70.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="wmma__sm70_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 <assert.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</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="l00033"></a><span class="lineno"> 33</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="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">//</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// WMMA template structure defines nvcuda::wmma::fragments and static assert for</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// wmma native instruction sizes supported for half</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span><span class="keyword">template</span> <</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">typename</span> Shape_, </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">typename</span> LayoutA_, </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">typename</span> LayoutB_,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">typename</span> ElementC_,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">typename</span> LayoutC_></div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structcutlass_1_1arch_1_1Wmma_3_01Shape___00_01cutlass_1_1half__t_00_01LayoutA___00_01cutlass_1_84e30c8cc93eeb7ca02f651bd16d4c38.html"> 51</a></span> <span class="keyword">struct </span>Wmma<</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  Shape_, </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="namespacecutlass.html">cutlass</a>::<a class="code" href="structcutlass_1_1half__t.html">half_t</a>, </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  LayoutA_, </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="structcutlass_1_1half__t.html">cutlass::half_t</a>, </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  LayoutB_, </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ElementC_, </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  LayoutC_, </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  cutlass::arch::OpMultiplyAdd </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> > {</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> <span class="preprocessor">#if defined(CUTLASS_ARCH_WMMA_SM70_ENABLED)</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">using</span> Shape = Shape_;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">using</span> ElementA = <a class="code" href="structcutlass_1_1half__t.html">cutlass::half_t</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">using</span> LayoutA = LayoutA_;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">using</span> ElementB = <a class="code" href="structcutlass_1_1half__t.html">cutlass::half_t</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">using</span> LayoutB = LayoutB_;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">using</span> ElementC = ElementC_;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">using</span> LayoutC = LayoutC_;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">using</span> Operator = cutlass::arch::OpMultiplyAdd;</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="comment">// check supported wmma shape for the given multiplicand data types</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a>(</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="structcutlass_1_1platform_1_1is__same.html">platform::is_same</a><<a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">cutlass::gemm::GemmShape<16, 16, 16></a>, Shape>::value ||</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="structcutlass_1_1platform_1_1is__same.html">platform::is_same</a><<a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">cutlass::gemm::GemmShape< 8, 32, 16></a>, Shape>::value ||</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="structcutlass_1_1platform_1_1is__same.html">platform::is_same</a><<a class="code" href="structcutlass_1_1gemm_1_1GemmShape.html">cutlass::gemm::GemmShape<32, 8, 16></a>, Shape>::value,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="stringliteral">"Supported list of wmma operator shape for f16 multiplicands are: 16x16x16, 8x328x16, and 32x8x16"</span>);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// check supported wmma output data type for the given multiplicand data types</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a>(</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="structcutlass_1_1platform_1_1is__same.html">platform::is_same<cutlass::half_t, ElementC>::value</a> || <a class="code" href="structcutlass_1_1platform_1_1is__same.html">platform::is_same<float, ElementC>::value</a>,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="stringliteral">"Supported of wmma output data type for f16 multiplicands are: f16 and f32"</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>  <span class="comment">// Wmma Fragment</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">using</span> FragmentA = nvcuda::wmma::fragment<</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  nvcuda::wmma::matrix_a,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Shape::kM,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  Shape::kN,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  Shape::kK,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">typename</span> CutlassToWmmaDataType<ElementA>::Type,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">typename</span> CutlassToWmmaLayout<LayoutA>::Layout>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">using</span> FragmentB = nvcuda::wmma::fragment<</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  nvcuda::wmma::matrix_b,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  Shape::kM,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Shape::kN,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Shape::kK,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">typename</span> CutlassToWmmaDataType<ElementB>::Type,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">typename</span> CutlassToWmmaLayout<LayoutB>::Layout>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">using</span> FragmentC = nvcuda::wmma::fragment<</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  nvcuda::wmma::accumulator,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Shape::kM,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Shape::kN,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Shape::kK,</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">typename</span> CutlassToWmmaDataType<ElementC>::Type>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  CUTLASS_DEVICE</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> operator()(</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  FragmentC &D, </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  FragmentA <span class="keyword">const</span> &A, </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  FragmentB <span class="keyword">const</span> &B, </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  FragmentC <span class="keyword">const</span> &C)<span class="keyword"> const </span>{</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  nvcuda::wmma::mma_sync(D, A, B, C);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</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>  <a class="code" href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a>(<span class="keyword">false</span>, <span class="stringliteral">"wmma.mma.sync for floating point multiplicands is avialable only for SM70 and beyond"</span>);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> };</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> } <span class="comment">// namespace arch</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> } <span class="comment">// namespace cutlass</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_1platform_1_1is__same_html"><div class="ttname"><a href="structcutlass_1_1platform_1_1is__same.html">cutlass::platform::is_same</a></div><div class="ttdoc">std::is_same (false specialization) </div><div class="ttdef"><b>Definition:</b> platform.h:394</div></div>
<div class="ttc" id="structcutlass_1_1half__t_html"><div class="ttname"><a href="structcutlass_1_1half__t.html">cutlass::half_t</a></div><div class="ttdoc">IEEE half-precision floating-point type. </div><div class="ttdef"><b>Definition:</b> half.h:126</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="platform_8h_html_adde4c9ea91b753491851361a4198c009"><div class="ttname"><a href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a></div><div class="ttdeci">#define static_assert(__e, __m)</div><div class="ttdef"><b>Definition:</b> platform.h:153</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><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.11
</small></address>
</body>
</html>