How to Compile MPI Programs

MPICH shell script command to compile and link programs

• mpicc
• mpicxx
• mpif77
• mpif90

Command line options:

• -help: help on command line options
• -compile_info: show commands and options used to compile a program
• -link_info: show commands and options used to link a program
• -cc : used with mpicc to change the compiler used
• -CC: used with mpicxx to change the compiler used
• -fc: used with mpif77 to change the compiler used
• -f90: used with mpif90 to change the compiler used

andes:~> mpicc -o hello_world_c hello_world.c
andes:~>
andes:~> mpicc -compile_info
gcc -DUSE_STDARG -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_UNISTD_H=1 \
-DHAVE_STDARG_H=1 -DUSE_STDARG=1 -DMALLOC_RET_VOID=1 -c -I/usr/local/mpich-1.2.7p1/include


andes:~> mpif90 -o hello_world_f hello_world.f
andes:~>
andes:~> mpif90 -compile_info
ln -s /usr/local/mpich-1.2.7p1/include/mpif.h mpif.h
ifort -c -I/usr/local/mpich-1.2.7p1/include/f90choice
rm -f mpif.h