cutlass/docs/mma__simt__policy_8h_source...

119 lines
17 KiB
HTML

<!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: mma_simt_policy.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&#160;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&#160;List</span></a></li>
<li><a href="globals.html"><span>File&#160;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_9aa36bd9cfad59a1f88859a38871c977.html">gemm</a></li><li class="navelem"><a class="el" href="dir_5182a53bfc5d70ef5651acc985c58dc3.html">warp</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">mma_simt_policy.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="mma__simt__policy_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"> * Copyright (c) 2017-2019, NVIDIA CORPORATION. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<span class="comment"> * provided that the following conditions are met:</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<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>&#160;<span class="comment"> * conditions and the following disclaimer.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * provided with the distribution.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * permission.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> **************************************************************************************************/</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#pragma once</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="preprocessor">#include &quot;<a class="code" href="cutlass_8h.html">cutlass/cutlass.h</a>&quot;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacecutlass.html">cutlass</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">namespace </span>gemm {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">namespace </span>warp {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">template</span> &lt;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keyword">typename</span> WarpShape_, </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">typename</span> LaneLayout_, </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">typename</span> LaneMmaShape_ </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;&gt;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html"> 46</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html">MmaSimtPolicy</a> {</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#aa23e77b52b2ece107fb0466be0a7ef40"> 47</a></span>&#160; <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#aa23e77b52b2ece107fb0466be0a7ef40">WarpShape</a> = WarpShape_;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#abbddbec34fec9b85d8421a49f112f937"> 48</a></span>&#160; <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#abbddbec34fec9b85d8421a49f112f937">LaneLayout</a> = LaneLayout_;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#ac0da8df27cc497e2c72240c5a8ef4424"> 49</a></span>&#160; <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#ac0da8df27cc497e2c72240c5a8ef4424">LaneMmaShape</a> = LaneMmaShape_;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a740b65916634aad45538f7abb4b295a9"> 50</a></span>&#160; <span class="keyword">using</span> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a740b65916634aad45538f7abb4b295a9">MmaShape</a> = <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#ac0da8df27cc497e2c72240c5a8ef4424">LaneMmaShape</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a71149619ab501844b9a50e38415057fa"> 54</a></span>&#160; <span class="keyword">static</span> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#abbddbec34fec9b85d8421a49f112f937">LaneLayout</a> <a class="code" href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a71149619ab501844b9a50e38415057fa">get_lane_layout</a>() {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> LaneLayout::packed({WarpShape::kRow, WarpShape::kColumn});</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;};</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;} <span class="comment">// namespace warp</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;} <span class="comment">// namespace gemm</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;} <span class="comment">// namespace cutlass</span></div><div class="ttc" id="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy_html_a740b65916634aad45538f7abb4b295a9"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a740b65916634aad45538f7abb4b295a9">cutlass::gemm::warp::MmaSimtPolicy::MmaShape</a></div><div class="ttdeci">LaneMmaShape MmaShape</div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:50</div></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_1gemm_1_1warp_1_1MmaSimtPolicy_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html">cutlass::gemm::warp::MmaSimtPolicy</a></div><div class="ttdoc">Describes the arrangement and configuration of per-lane operations in warp-level matrix multiply...</div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:46</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_1warp_1_1MmaSimtPolicy_html_a71149619ab501844b9a50e38415057fa"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#a71149619ab501844b9a50e38415057fa">cutlass::gemm::warp::MmaSimtPolicy::get_lane_layout</a></div><div class="ttdeci">static CUTLASS_HOST_DEVICE LaneLayout get_lane_layout()</div><div class="ttdoc">Returns a layout functor mapping lane position in the warp to thread ID. </div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:54</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy_html_aa23e77b52b2ece107fb0466be0a7ef40"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#aa23e77b52b2ece107fb0466be0a7ef40">cutlass::gemm::warp::MmaSimtPolicy::WarpShape</a></div><div class="ttdeci">WarpShape_ WarpShape</div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:47</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy_html_abbddbec34fec9b85d8421a49f112f937"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#abbddbec34fec9b85d8421a49f112f937">cutlass::gemm::warp::MmaSimtPolicy::LaneLayout</a></div><div class="ttdeci">LaneLayout_ LaneLayout</div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:48</div></div>
<div class="ttc" id="cutlass_8h_html"><div class="ttname"><a href="cutlass_8h.html">cutlass.h</a></div><div class="ttdoc">Basic include for CUTLASS. </div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy_html_ac0da8df27cc497e2c72240c5a8ef4424"><div class="ttname"><a href="structcutlass_1_1gemm_1_1warp_1_1MmaSimtPolicy.html#ac0da8df27cc497e2c72240c5a8ef4424">cutlass::gemm::warp::MmaSimtPolicy::LaneMmaShape</a></div><div class="ttdeci">LaneMmaShape_ LaneMmaShape</div><div class="ttdef"><b>Definition:</b> mma_simt_policy.h:49</div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.11
</small></address>
</body>
</html>