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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_regex.background_information.performance"></a><a class="link" href="performance.html" title="Performance">Performance</a>
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<div class="toc"><dl class="toc">
<dt><span class="section"><a href="performance/section_Testing_Perl_searches_platform_Windows_x64_compiler_Microsoft_Visual_C_version_14_0_.html">Testing
Perl searches (platform = Windows x64, compiler = Microsoft Visual C++ version
14.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_Perl_searches_platform_linux_compiler_GNU_C_version_5_1_0_.html">Testing
Perl searches (platform = linux, compiler = GNU C++ version 5.1.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_leftmost_longest_searches_platform_Windows_x64_compiler_Microsoft_Visual_C_version_14_0_.html">Testing
leftmost-longest searches (platform = Windows x64, compiler = Microsoft Visual
C++ version 14.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_leftmost_longest_searches_platform_linux_compiler_GNU_C_version_5_1_0_.html">Testing
leftmost-longest searches (platform = linux, compiler = GNU C++ version 5.1.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_simple_Perl_matches_platform_Windows_x64_compiler_Microsoft_Visual_C_version_14_0_.html">Testing
simple Perl matches (platform = Windows x64, compiler = Microsoft Visual
C++ version 14.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_simple_Perl_matches_platform_linux_compiler_GNU_C_version_5_1_0_.html">Testing
simple Perl matches (platform = linux, compiler = GNU C++ version 5.1.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_simple_leftmost_longest_matches_platform_Windows_x64_compiler_Microsoft_Visual_C_version_14_0_.html">Testing
simple leftmost-longest matches (platform = Windows x64, compiler = Microsoft
Visual C++ version 14.0)</a></span></dt>
<dt><span class="section"><a href="performance/section_Testing_simple_leftmost_longest_matches_platform_linux_compiler_GNU_C_version_5_1_0_.html">Testing
simple leftmost-longest matches (platform = linux, compiler = GNU C++ version
5.1.0)</a></span></dt>
</dl></div>
<p>
The performance of Boost.Regex in both recursive and non-recursive modes
should be broadly comparable to other regular expression libraries: recursive
mode is slightly faster (especially where memory allocation requires thread
synchronisation), but not by much. The following pages compare Boost.Regex
with various other regular expression libraries for the following compilers:
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<td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
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>)
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