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Current fftw source
author Chris Cannam
date Tue, 18 Oct 2016 13:40:26 +0100
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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<!-- This manual is for FFTW
+(version 3.3.5, 30 July 2016).
+
+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. -->
+<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
+<head>
+<title>FFTW 3.3.5: FFTW MPI Installation</title>
+
+<meta name="description" content="FFTW 3.3.5: FFTW MPI Installation">
+<meta name="keywords" content="FFTW 3.3.5: FFTW MPI Installation">
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+<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
+<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
+<link href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI" rel="up" title="Distributed-memory FFTW with MPI">
+<link href="Linking-and-Initializing-MPI-FFTW.html#Linking-and-Initializing-MPI-FFTW" rel="next" title="Linking and Initializing MPI FFTW">
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+<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
+<a name="FFTW-MPI-Installation"></a>
+<div class="header">
+<p>
+Next: <a href="Linking-and-Initializing-MPI-FFTW.html#Linking-and-Initializing-MPI-FFTW" accesskey="n" rel="next">Linking and Initializing MPI FFTW</a>, Previous: <a href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI" accesskey="p" rel="prev">Distributed-memory FFTW with MPI</a>, Up: <a href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI" accesskey="u" rel="up">Distributed-memory FFTW with MPI</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
+</div>
+<hr>
+<a name="FFTW-MPI-Installation-1"></a>
+<h3 class="section">6.1 FFTW MPI Installation</h3>
+
+<p>All of the FFTW MPI code is located in the <code>mpi</code> subdirectory of
+the FFTW package.  On Unix systems, the FFTW MPI libraries and header
+files are automatically configured, compiled, and installed along with
+the uniprocessor FFTW libraries simply by including
+<code>--enable-mpi</code> in the flags to the <code>configure</code> script
+(see <a href="Installation-on-Unix.html#Installation-on-Unix">Installation on Unix</a>).
+<a name="index-configure-1"></a>
+</p>
+
+<p>Any implementation of the MPI standard, version 1 or later, should
+work with FFTW.  The <code>configure</code> script will attempt to
+automatically detect how to compile and link code using your MPI
+implementation.  In some cases, especially if you have multiple
+different MPI implementations installed or have an unusual MPI
+software package, you may need to provide this information explicitly.
+</p>
+<p>Most commonly, one compiles MPI code by invoking a special compiler
+command, typically <code>mpicc</code> for C code.  The <code>configure</code>
+script knows the most common names for this command, but you can
+specify the MPI compilation command explicitly by setting the
+<code>MPICC</code> variable, as in &lsquo;<samp>./configure MPICC=mpicc ...</samp>&rsquo;.
+<a name="index-mpicc"></a>
+</p>
+
+<p>If, instead of a special compiler command, you need to link a certain
+library, you can specify the link command via the <code>MPILIBS</code>
+variable, as in &lsquo;<samp>./configure MPILIBS=-lmpi ...</samp>&rsquo;.  Note that if
+your MPI library is installed in a non-standard location (one the
+compiler does not know about by default), you may also have to specify
+the location of the library and header files via <code>LDFLAGS</code> and
+<code>CPPFLAGS</code> variables, respectively, as in &lsquo;<samp>./configure
+LDFLAGS=-L/path/to/mpi/libs CPPFLAGS=-I/path/to/mpi/include ...</samp>&rsquo;.
+</p>
+
+
+
+</body>
+</html>