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Installation Prerequisites. If you're installing FFTW v.2, you have the option of using MPI. I use OpenMPI for development on my laptop (alternatively, you can use LAM MPI, but it's no longer being developed). FFTW 3.2.2 Mac Snow Leopard (OS X 10.6). Sep 10, 2019 Complex One-dimensional MPI FFTW Transforms fftwmpiplan fftwmpicreateplan(MPIComm comm, int n, fftwdirection dir, int flags); Complex MPI FFTW Intel® Math Kernel Library for C Jump to navigation.
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# mac_mpi = Apple laptop, gcc 4.6, gfortran, Open MPI 1.4.3, FFTW 2.1.5, QUIP |
SHELL = /bin/sh |
# --------------------------------------------------------------------- |
# compiler/linker settings |
# generally no need to edit this section |
# unless additional compiler/linker flags or libraries needed for your machine |
CC = ${MPI_GCC46_PATH}/mpic++ |
CCFLAGS = -O3 |
SHFLAGS = -fPIC |
DEPFLAGS = -M |
LINK = ${MPI_GCC46_PATH}/mpic++ |
LINKFLAGS = -O3 |
LIB = |
SIZE = size |
ARCHIVE = ar |
ARFLAGS = -rc |
SHLIBFLAGS = -shared |
# --------------------------------------------------------------------- |
# LAMMPS-specific settings |
# specify settings for LAMMPS features you will use |
# if you change any -D setting, do full re-compile after 'make clean' |
# LAMMPS ifdef settings, OPTIONAL |
# see possible settings in doc/Section_start.html#2_2 (step 4) |
LMP_INC = -DLAMMPS_GZIP -DQUIP_GFORTRAN -DLAMMPS_JPEG |
# MPI library, REQUIRED |
# see discussion in doc/Section_start.html#2_2 (step 5) |
# can point to dummy MPI library in src/STUBS as in Makefile.serial |
# INC = path for mpi.h, MPI compiler settings |
# PATH = path for MPI library |
# LIB = name of MPI library |
MPI_INC = -DOMPI_SKIP_MPICXX |
MPI_PATH = |
MPI_LIB = |
# FFT library, OPTIONAL |
# see discussion in doc/Section_start.html#2_2 (step 6) |
# can be left blank to use provided KISS FFT library |
# INC = -DFFT setting, e.g. -DFFT_FFTW, FFT compiler settings |
# PATH = path for FFT library |
# LIB = name of FFT library |
FFTW = /usr/local |
FFT_INC = -DFFT_FFTW -I${FFTW}/include |
FFT_PATH = -L${FFTW}/lib |
FFT_LIB = -lfftw |
# JPEG library, OPTIONAL |
# see discussion in doc/Section_start.html#2_2 (step 7) |
# only needed if -DLAMMPS_JPEG listed with LMP_INC |
# INC = path for jpeglib.h |
# PATH = path for JPEG library |
# LIB = name of JPEG library |
JPG_INC = -I/opt/local/include |
JPG_PATH = -L/opt/local/lib |
JPG_LIB = -ljpeg |
# --------------------------------------------------------------------- |
# build rules and dependencies |
# no need to edit this section |
include Makefile.package.settings |
include Makefile.package |
EXTRA_INC = $(LMP_INC) $(PKG_INC) $(MPI_INC) $(FFT_INC) $(JPG_INC) $(PKG_SYSINC) |
EXTRA_PATH = $(PKG_PATH) $(MPI_PATH) $(FFT_PATH) $(JPG_PATH) $(PKG_SYSPATH) |
EXTRA_LIB = $(PKG_LIB) $(MPI_LIB) $(FFT_LIB) $(JPG_LIB) $(PKG_SYSLIB) |
# Path to src files |
vpath %.cpp . |
vpath %.h . |
# Link target |
$(EXE): $(OBJ) |
$(LINK) $(LINKFLAGS) $(EXTRA_PATH) $(OBJ) $(EXTRA_LIB) $(LIB) -o $(EXE) |
$(SIZE) $(EXE) |
# Library targets |
lib: $(OBJ) |
$(ARCHIVE) $(ARFLAGS) $(EXE) $(OBJ) |
shlib: $(OBJ) |
$(CC) $(CCFLAGS) $(SHFLAGS) $(SHLIBFLAGS) $(EXTRA_PATH) -o $(EXE) |
$(OBJ) $(EXTRA_LIB) $(LIB) |
# Compilation rules |
%.o:%.cpp |
$(CC) $(CCFLAGS) $(SHFLAGS) $(EXTRA_INC) -c $< |
%.d:%.cpp |
$(CC) $(CCFLAGS) $(EXTRA_INC) $(DEPFLAGS) $< > $@ |
# Individual dependencies |
DEPENDS = $(OBJ:.o=.d) |
sinclude $(DEPENDS) |
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Fftw Mpi Library Macon Ga
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Fftw Example
commented Oct 6, 2016
Fftw Fortran
Just starting to build mpi flavor of fftw3 for the Fedora fftw package and noticed that the _mpi.so library is not linked with -lmpi as it should. MPILIBS ends up being ' since mpicc can link without added flags, and the library ends up getting linked with CC not MPICC. On another minor note - all of the _omp/mpi/etc variants get linked with -lm, but only the main library needs it. rpmlint warnings for the two issues: fftw-libs-double.x86_64: W: unused-direct-shlib-dependency /usr/lib64/libfftw3_threads.so.3.5.5 /lib64/libm.so.6 fftw-mpich-libs-double.x86_64: W: undefined-non-weak-symbol /usr/lib64/mpich/lib/libfftw3_mpi.so.3.5.5 MPI_Alltoallv For the purposes of the Fedora package I think I can use CC=mpicc for the mpi builds, but this doesn't really work for normal builds as then everything is linked with the mpi libraries. |
commented Oct 8, 2016
'As it should' is kind of strong. In the static library case, it has been understood since forever that the final link command line must explicitly include all libraries and all their dependencies. It is unfortunate that in linux shared libraries are expected to behave differently from static libraries. MPI programs will be linked with mpicc anyway, which will use -lmpi in the final link command line. So I don't see any real problem to be solved. Do you have a specific fix in mind? |
Fftw Mpi Library Mac Download
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