MPI_WTICK          42 ompi/include/mpif-externals.h       external MPI_WTIME, MPI_WTICK , PMPI_WTICK, PMPI_WTIME
MPI_WTICK          43 ompi/include/mpif-externals.h       double precision MPI_WTIME, MPI_WTICK , PMPI_WTICK, PMPI_WTIME
MPI_WTICK         452 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(double, MPI_Wtick, mpi_wtick, MPI_WTICK, (void));