mp_bcast_dm Subroutine

private subroutine mp_bcast_dm(msg, source, gid)

Broadcasts rank-2 data to all processes

Note

see mp_bcast_d1

Arguments

Type IntentOptional Attributes Name
real(kind=real_8), CONTIGUOUS :: msg(:,:)

Data to broadcast

integer :: source
type(mp_comm_type), intent(in) :: gid

Source Code

      SUBROUTINE mp_bcast_dm(msg, source, gid)
      !! Broadcasts rank-2 data to all processes
      !! @note see mp_bcast_d1

         REAL(kind=real_8), CONTIGUOUS                    :: msg(:, :)
         !! Data to broadcast
         INTEGER                                  :: source
         TYPE(mp_comm_type), INTENT(IN)           :: gid

         CHARACTER(LEN=*), PARAMETER :: routineN = 'mp_bcast_im'

         INTEGER                                  :: handle, ierr, msglen

         ierr = 0
         CALL timeset(routineN, handle)

         msglen = SIZE(msg)
#if defined(__parallel)
         CALL mpi_bcast(msg, msglen, MPI_DOUBLE_PRECISION, source, gid%handle, ierr)
         IF (ierr /= 0) CALL mp_stop(ierr, "mpi_bcast @ "//routineN)
         CALL add_perf(perf_id=2, msg_size=msglen*real_8_size)
#else
         MARK_USED(source)
         MARK_USED(gid)
#endif
         CALL timestop(handle)
      END SUBROUTINE mp_bcast_dm