120 lines
18 KiB
HTML
120 lines
18 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: threadblock_swizzle.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_ac488927e63b76ba9cb3ad9c317bbde9.html">reduction</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">reduction/threadblock_swizzle.h</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="reduction_2threadblock__swizzle_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="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="coord_8h.html">cutlass/coord.h</a>"</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="keyword">namespace </span><a class="code" href="namespacecutlass.html">cutlass</a> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>reduction {</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html"> 33</a></span> <span class="keyword">struct </span><a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html">DefaultBlockSwizzle</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a1ad8edda7b73d23fb5592a531f5736cc"> 35</a></span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a1ad8edda7b73d23fb5592a531f5736cc">DefaultBlockSwizzle</a>() {}</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ae77863b3e53fa349945fafcd45ac39fa"> 38</a></span>  CUTLASS_DEVICE dim3 <a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ae77863b3e53fa349945fafcd45ac39fa">swizzle</a>() { <span class="keywordflow">return</span> blockIdx; }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a70bdfa46a246b4fd6d000ffefe8778e4"> 41</a></span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> dim3 <a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a70bdfa46a246b4fd6d000ffefe8778e4">get_grid_layout</a>(<a class="code" href="structcutlass_1_1Coord.html">Coord<3></a> <span class="keyword">const</span> &problem_size,</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="structcutlass_1_1Coord.html">Coord<3></a> <span class="keyword">const</span> &OutputTile) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  assert(OutputTile[0] == 1 && OutputTile[1] == 1);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  assert((problem_size[0] * problem_size[1] * problem_size[2]) % OutputTile[2] == 0);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  dim3 grid;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  grid.x = problem_size[0] * problem_size[1] * problem_size[2]</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  / OutputTile[2] ;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> grid;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ac4e26c28b5b715340a399e86213ae4d1"> 52</a></span>  CUTLASS_DEVICE <a class="code" href="structcutlass_1_1Coord.html">Coord<3></a> <a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ac4e26c28b5b715340a399e86213ae4d1">get_threadblock_offset</a>(<a class="code" href="structcutlass_1_1Coord.html">Coord<3></a> <span class="keyword">const</span> &SubTile) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  assert(SubTile[0] == 1 && SubTile[1] == 1);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  dim3 block = <a class="code" href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ae77863b3e53fa349945fafcd45ac39fa">swizzle</a>();</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="structcutlass_1_1Coord.html">Coord<3></a> threadblock_offset =</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="namespacecutlass.html#a7419519fa453a121dfa5f26bf87318d9">make_Coord</a>(0, 0, block.x * SubTile[2]);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> threadblock_offset;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> };</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> } <span class="comment">// namespace reduction</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> } <span class="comment">// namespace cutlass</span></div><div class="ttc" id="structcutlass_1_1reduction_1_1DefaultBlockSwizzle_html"><div class="ttname"><a href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html">cutlass::reduction::DefaultBlockSwizzle</a></div><div class="ttdef"><b>Definition:</b> reduction/threadblock_swizzle.h:33</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_1reduction_1_1DefaultBlockSwizzle_html_a1ad8edda7b73d23fb5592a531f5736cc"><div class="ttname"><a href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a1ad8edda7b73d23fb5592a531f5736cc">cutlass::reduction::DefaultBlockSwizzle::DefaultBlockSwizzle</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE DefaultBlockSwizzle()</div><div class="ttdoc">Ctor. </div><div class="ttdef"><b>Definition:</b> reduction/threadblock_swizzle.h:35</div></div>
|
|
<div class="ttc" id="coord_8h_html"><div class="ttname"><a href="coord_8h.html">coord.h</a></div><div class="ttdoc">A Coord is a coordinate of arbitrary rank into a tensor or matrix. </div></div>
|
|
<div class="ttc" id="namespacecutlass_html_a7419519fa453a121dfa5f26bf87318d9"><div class="ttname"><a href="namespacecutlass.html#a7419519fa453a121dfa5f26bf87318d9">cutlass::make_Coord</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Coord< 1 > make_Coord(int _0)</div><div class="ttdoc">Helper to make a 2-element coordinate. </div><div class="ttdef"><b>Definition:</b> coord.h:387</div></div>
|
|
<div class="ttc" id="structcutlass_1_1reduction_1_1DefaultBlockSwizzle_html_ae77863b3e53fa349945fafcd45ac39fa"><div class="ttname"><a href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ae77863b3e53fa349945fafcd45ac39fa">cutlass::reduction::DefaultBlockSwizzle::swizzle</a></div><div class="ttdeci">CUTLASS_DEVICE dim3 swizzle()</div><div class="ttdoc">Swizzle the block index. </div><div class="ttdef"><b>Definition:</b> reduction/threadblock_swizzle.h:38</div></div>
|
|
<div class="ttc" id="structcutlass_1_1reduction_1_1DefaultBlockSwizzle_html_a70bdfa46a246b4fd6d000ffefe8778e4"><div class="ttname"><a href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#a70bdfa46a246b4fd6d000ffefe8778e4">cutlass::reduction::DefaultBlockSwizzle::get_grid_layout</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE dim3 get_grid_layout(Coord< 3 > const &problem_size, Coord< 3 > const &OutputTile)</div><div class="ttdef"><b>Definition:</b> reduction/threadblock_swizzle.h:41</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_1Coord_html"><div class="ttname"><a href="structcutlass_1_1Coord.html">cutlass::Coord< 3 ></a></div></div>
|
|
<div class="ttc" id="structcutlass_1_1reduction_1_1DefaultBlockSwizzle_html_ac4e26c28b5b715340a399e86213ae4d1"><div class="ttname"><a href="structcutlass_1_1reduction_1_1DefaultBlockSwizzle.html#ac4e26c28b5b715340a399e86213ae4d1">cutlass::reduction::DefaultBlockSwizzle::get_threadblock_offset</a></div><div class="ttdeci">CUTLASS_DEVICE Coord< 3 > get_threadblock_offset(Coord< 3 > const &SubTile)</div><div class="ttdef"><b>Definition:</b> reduction/threadblock_swizzle.h:52</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>
|