mpi_comm_rank 57 ompi/mpi/fortran/mpif-h/comm_rank_f.c mpi_comm_rank, mpi_comm_rank 142 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Comm_rank, mpi_comm_rank, MPI_COMM_RANK, (MPI_Fint *comm, MPI_Fint *rank, MPI_Fint *ierr));