167 lines
15 KiB
HTML
167 lines
15 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 1.8.5"/>
|
|
<title>Faiss: /data/users/matthijs/github_faiss/faiss/gpu/utils/Timer.cpp 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/search.js"></script>
|
|
<script type="text/javascript">
|
|
$(document).ready(function() { searchBox.OnSelectItem(0); });
|
|
</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 style="padding-left: 0.5em;">
|
|
<div id="projectname">Faiss
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.5 -->
|
|
<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="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>
|
|
</ul>
|
|
</div>
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a></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_6b3ae6988449b0834e9596fad5d75199.html">gpu</a></li><li class="navelem"><a class="el" href="dir_498271007b03b2a0521055e88776887b.html">utils</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">Timer.cpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<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">/**</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * All rights reserved.</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This source code is licensed under the CC-by-NC license found in the</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "Timer.h"</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "DeviceUtils.h"</span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../../FaissAssert.h"</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>faiss { <span class="keyword">namespace </span>gpu {</div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1KernelTimer.html#af533a5a8734243263032960c2445d233"> 18</a></span> <a class="code" href="classfaiss_1_1gpu_1_1KernelTimer.html#af533a5a8734243263032960c2445d233">KernelTimer::KernelTimer</a>(cudaStream_t stream)</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  : startEvent_(0),</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  stopEvent_(0),</div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  stream_(stream),</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  valid_(true) {</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  CUDA_VERIFY(cudaEventCreate(&startEvent_));</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  CUDA_VERIFY(cudaEventCreate(&stopEvent_));</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  CUDA_VERIFY(cudaEventRecord(startEvent_, stream_));</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> }</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1KernelTimer.html#af9883350bf0732b2452f1ce4670266fa"> 29</a></span> <a class="code" href="classfaiss_1_1gpu_1_1KernelTimer.html#af9883350bf0732b2452f1ce4670266fa">KernelTimer::~KernelTimer</a>() {</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  CUDA_VERIFY(cudaEventDestroy(startEvent_));</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  CUDA_VERIFY(cudaEventDestroy(stopEvent_));</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> }</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keywordtype">float</span></div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1KernelTimer.html#ac79ab2b2ef60a3fb713f7c80380ad2b5"> 35</a></span> <a class="code" href="classfaiss_1_1gpu_1_1KernelTimer.html#ac79ab2b2ef60a3fb713f7c80380ad2b5">KernelTimer::elapsedMilliseconds</a>() {</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  FAISS_ASSERT(valid_);</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>  CUDA_VERIFY(cudaEventRecord(stopEvent_, stream_));</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  CUDA_VERIFY(cudaEventSynchronize(stopEvent_));</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">auto</span> time = 0.0f;</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  CUDA_VERIFY(cudaEventElapsedTime(&time, startEvent_, stopEvent_));</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  valid_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> time;</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1CpuTimer.html#af2f8e832b4c5425e152834ae7aa2af49"> 48</a></span> <a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html#af2f8e832b4c5425e152834ae7aa2af49">CpuTimer::CpuTimer</a>() {</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  clock_gettime(CLOCK_REALTIME, &start_);</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">float</span></div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d"> 53</a></span> <a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">CpuTimer::elapsedMilliseconds</a>() {</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">struct </span>timespec end;</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  clock_gettime(CLOCK_REALTIME, &end);</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">auto</span> diffS = end.tv_sec - start_.tv_sec;</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">auto</span> diffNs = end.tv_nsec - start_.tv_nsec;</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="keywordflow">return</span> 1000.0f * (float) diffS + ((<span class="keywordtype">float</span>) diffNs) / 1000000.0f;</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="comment">// namespace</span></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1CpuTimer_html_a4a2795debf10bc7eb904d62356e41f0d"><div class="ttname"><a href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">faiss::gpu::CpuTimer::elapsedMilliseconds</a></div><div class="ttdeci">float elapsedMilliseconds()</div><div class="ttdoc">Returns elapsed time in milliseconds. </div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00053">Timer.cpp:53</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1KernelTimer_html_af533a5a8734243263032960c2445d233"><div class="ttname"><a href="classfaiss_1_1gpu_1_1KernelTimer.html#af533a5a8734243263032960c2445d233">faiss::gpu::KernelTimer::KernelTimer</a></div><div class="ttdeci">KernelTimer(cudaStream_t stream=0)</div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00018">Timer.cpp:18</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1CpuTimer_html_af2f8e832b4c5425e152834ae7aa2af49"><div class="ttname"><a href="classfaiss_1_1gpu_1_1CpuTimer.html#af2f8e832b4c5425e152834ae7aa2af49">faiss::gpu::CpuTimer::CpuTimer</a></div><div class="ttdeci">CpuTimer()</div><div class="ttdoc">Creates and starts a new timer. </div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00048">Timer.cpp:48</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1KernelTimer_html_ac79ab2b2ef60a3fb713f7c80380ad2b5"><div class="ttname"><a href="classfaiss_1_1gpu_1_1KernelTimer.html#ac79ab2b2ef60a3fb713f7c80380ad2b5">faiss::gpu::KernelTimer::elapsedMilliseconds</a></div><div class="ttdeci">float elapsedMilliseconds()</div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00035">Timer.cpp:35</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1KernelTimer_html_af9883350bf0732b2452f1ce4670266fa"><div class="ttname"><a href="classfaiss_1_1gpu_1_1KernelTimer.html#af9883350bf0732b2452f1ce4670266fa">faiss::gpu::KernelTimer::~KernelTimer</a></div><div class="ttdeci">~KernelTimer()</div><div class="ttdoc">Destructor releases event resources. </div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00029">Timer.cpp:29</a></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> 1.8.5
|
|
</small></address>
|
|
</body>
|
|
</html>
|