fftw3: FFTW MPI Installation
6.1 FFTW MPI Installation
=========================
All of the FFTW MPI code is located in the 'mpi' 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 '--enable-mpi' in the
flags to the 'configure' script (
Installation on Unix).
Any implementation of the MPI standard, version 1 or later, should
work with FFTW. The 'configure' 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.
Most commonly, one compiles MPI code by invoking a special compiler
command, typically 'mpicc' for C code. The 'configure' script knows the
most common names for this command, but you can specify the MPI
compilation command explicitly by setting the 'MPICC' variable, as in
'./configure MPICC=mpicc ...'.
If, instead of a special compiler command, you need to link a certain
library, you can specify the link command via the 'MPILIBS' variable, as
in './configure MPILIBS=-lmpi ...'. 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 'LDFLAGS' and 'CPPFLAGS' variables,
respectively, as in './configure LDFLAGS=-L/path/to/mpi/libs
CPPFLAGS=-I/path/to/mpi/include ...'.
Info Catalog
fftw3: Distributed-memory FFTW with MPI
fftw3: Distributed-memory FFTW with MPI
fftw3: Linking and Initializing MPI FFTW