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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2011-12-14 13:21:22 UTC
  • mfrom: (3.1.5 sid)
  • Revision ID: package-import@ubuntu.com-20111214132122-l4avyl2kkr7vq5aj
Tags: 3.3-1ubuntu1
* Merge with Debian; remaining changes:
  - Revert the ARM workaround.

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doc/html/How-Many-Threads-to-Use_003f.html
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<html lang="en">
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<head>
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<title>How Many Threads to Use? - FFTW 3.2.2</title>
 
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<title>How Many Threads to Use? - FFTW 3.3</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="FFTW 3.2.2">
 
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<meta name="description" content="FFTW 3.3">
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<meta name="generator" content="makeinfo 4.13">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Multi_002dthreaded-FFTW.html#Multi_002dthreaded-FFTW" title="Multi-threaded FFTW">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This manual is for FFTW
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(version 3.2.2, 12 July 2009).
 
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(version 3.3, 26 July 2011).
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Copyright (C) 2003 Matteo Frigo.
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<h3 class="section">5.3 How Many Threads to Use?</h3>
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<p><a name="index-number-of-threads-325"></a>There is a fair amount of overhead involved in synchronizing threads,
 
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<p><a name="index-number-of-threads-339"></a>There is a fair amount of overhead involved in synchronizing threads,
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so the optimal number of threads to use depends upon the size of the
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transform as well as on the number of processors you have.
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become beneficial.  If you plan with <code>FFTW_PATIENT</code>, it will
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automatically disable threads for sizes that don't benefit from
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parallelization. 
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<a name="index-FFTW_005fPATIENT-326"></a>
 
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<a name="index-FFTW_005fPATIENT-340"></a>
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<!--  -->
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   </body></html>