libs/coroutine2/doc/html/coroutine2/performance.html

   1 <html>
   2 <head>
   3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
   4 <title>Performance</title>
   5 <link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
   6 <meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
   7 <link rel="home" href="../index.html" title="Chapter&#160;1.&#160;Coroutine2">
   8 <link rel="up" href="../index.html" title="Chapter&#160;1.&#160;Coroutine2">
   9 <link rel="prev" href="stack/sanitizers.html" title="Support for sanitizers">
  10 <link rel="next" href="architectures.html" title="Architectures">
  11 </head>
  12 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
  13 <table cellpadding="2" width="100%"><tr>
  14 <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
  15 <td align="center"><a href="../../../../../index.html">Home</a></td>
  16 <td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
  17 <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
  18 <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
  19 <td align="center"><a href="../../../../../more/index.htm">More</a></td>
  20 </tr></table>
  21 <hr>
  22 <div class="spirit-nav">
  23 <a accesskey="p" href="stack/sanitizers.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="architectures.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
  24 </div>
  25 <div class="section">
  26 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
  27 <a name="coroutine2.performance"></a><a class="link" href="performance.html" title="Performance">Performance</a>
  28 </h2></div></div></div>
  29 <p>
  30       Performance measurements were taken using <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">highresolution_clock</span></code>,
  31       with overhead corrections. The code was compiled with gcc-6.3.1, using build
  32       options: variant = release, optimization = speed. Tests were executed on dual
  33       Intel XEON E5 2620v4 2.2GHz, 16C/32T, 64GB RAM, running Linux (x86_64).
  34     </p>
  35 <div class="table">
  36 <a name="coroutine2.performance.performance_of_context_switch"></a><p class="title"><b>Table&#160;1.1.&#160;Performance of context switch</b></p>
  37 <div class="table-contents"><table class="table" summary="Performance of context switch">
  38 <colgroup>
  39 <col>
  40 <col>
  41 </colgroup>
  42 <thead><tr>
  43 <th>
  44               <p>
  45                 using <a href="../../../../../libs/context/doc/html/context/cc.html#implementation" target="_top">fcontext_t</a>
  46               </p>
  47             </th>
  48 <th>
  49               <p>
  50                 using <a href="../../../../../libs/context/doc/html/context/cc.html#implementation" target="_top">ucontext_t</a>
  51               </p>
  52             </th>
  53 </tr></thead>
  54 <tbody><tr>
  55 <td>
  56               <p>
  57                 26 ns / 56 CPU cycles
  58               </p>
  59             </td>
  60 <td>
  61               <p>
  62                 542 ns / 1146 CPU cycles
  63               </p>
  64             </td>
  65 </tr></tbody>
  66 </table></div>
  67 </div>
  68 <br class="table-break">
  69 </div>
  70 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  71 <td align="left"></td>
  72 <td align="right"><div class="copyright-footer">Copyright &#169; 2014 Oliver Kowalke<p>
  73         Distributed under the Boost Software License, Version 1.0. (See accompanying
  74         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
  75       </p>
  76 </div></td>
  77 </tr></table>
  78 <hr>
  79 <div class="spirit-nav">
  80 <a accesskey="p" href="stack/sanitizers.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="architectures.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
  81 </div>
  82 </body>
  83 </html>