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diff Lib/fftw-3.2.1/doc/html/.svn/text-base/Linking-and-Initializing-MPI-FFTW.html.svn-base @ 0:25bf17994ef1
First commit. VS2013, Codeblocks and Mac OSX configuration
author | Geogaddi\David <d.m.ronan@qmul.ac.uk> |
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date | Thu, 09 Jul 2015 01:12:16 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/fftw-3.2.1/doc/html/.svn/text-base/Linking-and-Initializing-MPI-FFTW.html.svn-base Thu Jul 09 01:12:16 2015 +0100 @@ -0,0 +1,84 @@ +<html lang="en"> +<head> +<title>Linking and Initializing MPI FFTW - FFTW 3.2alpha3</title> +<meta http-equiv="Content-Type" content="text/html"> +<meta name="description" content="FFTW 3.2alpha3"> +<meta name="generator" content="makeinfo 4.8"> +<link title="Top" rel="start" href="index.html#Top"> +<link rel="up" href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI" title="Distributed-memory FFTW with MPI"> +<link rel="prev" href="FFTW-MPI-Installation.html#FFTW-MPI-Installation" title="FFTW MPI Installation"> +<link rel="next" href="Simple-MPI-example.html#Simple-MPI-example" title="Simple MPI example"> +<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> +<!-- +This manual is for FFTW +(version 3.2alpha3, 14 August 2007). + +Copyright (C) 2003 Matteo Frigo. + +Copyright (C) 2003 Massachusetts Institute of Technology. + + Permission is granted to make and distribute verbatim copies of + this manual provided the copyright notice and this permission + notice are preserved on all copies. + + Permission is granted to copy and distribute modified versions of + this manual under the conditions for verbatim copying, provided + that the entire resulting derived work is distributed under the + terms of a permission notice identical to this one. + + Permission is granted to copy and distribute translations of this + manual into another language, under the above conditions for + modified versions, except that this permission notice may be + stated in a translation approved by the Free Software Foundation. + --> +<meta http-equiv="Content-Style-Type" content="text/css"> +<style type="text/css"><!-- + pre.display { font-family:inherit } + pre.format { font-family:inherit } + pre.smalldisplay { font-family:inherit; font-size:smaller } + pre.smallformat { font-family:inherit; font-size:smaller } + pre.smallexample { font-size:smaller } + pre.smalllisp { font-size:smaller } + span.sc { font-variant:small-caps } + span.roman { font-family:serif; font-weight:normal; } + span.sansserif { font-family:sans-serif; font-weight:normal; } +--></style> +</head> +<body> +<div class="node"> +<p> +<a name="Linking-and-Initializing-MPI-FFTW"></a> +Next: <a rel="next" accesskey="n" href="Simple-MPI-example.html#Simple-MPI-example">Simple MPI example</a>, +Previous: <a rel="previous" accesskey="p" href="FFTW-MPI-Installation.html#FFTW-MPI-Installation">FFTW MPI Installation</a>, +Up: <a rel="up" accesskey="u" href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI">Distributed-memory FFTW with MPI</a> +<hr> +</div> + +<h3 class="section">6.2 Linking and Initializing MPI FFTW</h3> + +<p>Programs using the MPI FFTW routines should be linked with +<code>-lfftw3_mpi -lfftw3 -lm</code> on Unix. You will also need to link +with whatever library is responsible for MPI on your system; in most +MPI implementations, there is a special compiler alias named +<code>mpicc</code> to compile and link MPI code. +<a name="index-mpicc-336"></a><a name="index-linking-on-Unix-337"></a> +Before calling any FFTW routines, but after calling <code>MPI_Init</code>, +you should call the function: + +<pre class="example"> void fftw_mpi_init(void); +</pre> + <p><a name="index-fftw_005fmpi_005finit-338"></a> +If, at the end of your program, you want to get rid of all memory and +other resources allocated internally by FFTW, for both the serial and +MPI routines, you can call: + +<pre class="example"> void fftw_mpi_cleanup(void); +</pre> + <p><a name="index-fftw_005fmpi_005fcleanup-339"></a> +which is much like the <code>fftw_cleanup()</code> function except that it +also gets rid of FFTW's MPI-related data. You must <em>not</em> execute +any previously created plans after calling this function. + +<!-- --> +</body></html> +