mp_bcast_r3 Subroutine

      SUBROUTINE mp_bcast_r3(msg, source, gid)
      !! Broadcasts rank-3 data to all processes
      !! @note see mp_bcast_r1

         REAL(kind=real_4), CONTIGUOUS                    :: msg(:, :, :)
         !! Data to broadcast
         INTEGER                                  :: source, gid

         CHARACTER(LEN=*), PARAMETER :: routineN = 'mp_bcast_r3'

         INTEGER                                  :: handle, ierr, msglen

         ierr = 0
         CALL timeset(routineN, handle)

         msglen = SIZE(msg)
#if defined(__parallel)
         CALL mpi_bcast(msg, msglen, MPI_REAL, source, gid, ierr)
         IF (ierr /= 0) CALL mp_stop(ierr, "mpi_bcast @ "//routineN)
         CALL add_perf(perf_id=2, msg_size=msglen*real_4_size)
#else
         MARK_USED(source)
         MARK_USED(gid)
#endif
         CALL timestop(handle)
      END SUBROUTINE mp_bcast_r3