PMPI_WTIME 42 ompi/include/mpif-externals.h external MPI_WTIME, MPI_WTICK , PMPI_WTICK, PMPI_WTIME PMPI_WTIME 43 ompi/include/mpif-externals.h double precision MPI_WTIME, MPI_WTICK , PMPI_WTICK, PMPI_WTIME