mpi_group_size 58 ompi/mpi/fortran/mpif-h/group_size_f.c mpi_group_size, mpi_group_size 260 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Group_size, mpi_group_size, MPI_GROUP_SIZE, (MPI_Fint *group, MPI_Fint *size, MPI_Fint *ierr));