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Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 19 Nov 2019 14:52:55 +0000
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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3 <!-- This manual is for FFTW
4 (version 3.3.8, 24 May 2018).
5
6 Copyright (C) 2003 Matteo Frigo.
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8 Copyright (C) 2003 Massachusetts Institute of Technology.
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24 <head>
25 <title>FFTW 3.3.8: FFTW MPI Installation</title>
26
27 <meta name="description" content="FFTW 3.3.8: FFTW MPI Installation">
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35 <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
36 <link href="Distributed_002dmemory-FFTW-with-MPI.html#Distributed_002dmemory-FFTW-with-MPI" rel="up" title="Distributed-memory FFTW with MPI">
37 <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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71 <a name="FFTW-MPI-Installation"></a>
72 <div class="header">
73 <p>
74 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>
75 </div>
76 <hr>
77 <a name="FFTW-MPI-Installation-1"></a>
78 <h3 class="section">6.1 FFTW MPI Installation</h3>
79
80 <p>All of the FFTW MPI code is located in the <code>mpi</code> subdirectory of
81 the FFTW package. On Unix systems, the FFTW MPI libraries and header
82 files are automatically configured, compiled, and installed along with
83 the uniprocessor FFTW libraries simply by including
84 <code>--enable-mpi</code> in the flags to the <code>configure</code> script
85 (see <a href="Installation-on-Unix.html#Installation-on-Unix">Installation on Unix</a>).
86 <a name="index-configure-1"></a>
87 </p>
88
89 <p>Any implementation of the MPI standard, version 1 or later, should
90 work with FFTW. The <code>configure</code> script will attempt to
91 automatically detect how to compile and link code using your MPI
92 implementation. In some cases, especially if you have multiple
93 different MPI implementations installed or have an unusual MPI
94 software package, you may need to provide this information explicitly.
95 </p>
96 <p>Most commonly, one compiles MPI code by invoking a special compiler
97 command, typically <code>mpicc</code> for C code. The <code>configure</code>
98 script knows the most common names for this command, but you can
99 specify the MPI compilation command explicitly by setting the
100 <code>MPICC</code> variable, as in &lsquo;<samp>./configure MPICC=mpicc ...</samp>&rsquo;.
101 <a name="index-mpicc"></a>
102 </p>
103
104 <p>If, instead of a special compiler command, you need to link a certain
105 library, you can specify the link command via the <code>MPILIBS</code>
106 variable, as in &lsquo;<samp>./configure MPILIBS=-lmpi ...</samp>&rsquo;. Note that if
107 your MPI library is installed in a non-standard location (one the
108 compiler does not know about by default), you may also have to specify
109 the location of the library and header files via <code>LDFLAGS</code> and
110 <code>CPPFLAGS</code> variables, respectively, as in &lsquo;<samp>./configure
111 LDFLAGS=-L/path/to/mpi/libs CPPFLAGS=-I/path/to/mpi/include ...</samp>&rsquo;.
112 </p>
113
114
115
116 </body>
117 </html>