Gathers rank-2 data from all processes and all processes receive the same data
Note
see mp_allgather_i12
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
integer(kind=int_4), | intent(in), | CONTIGUOUS | :: | msgout(:,:) |
Rank-2 data to send |
|
integer(kind=int_4), | intent(out), | CONTIGUOUS | :: | msgin(:,:) | ||
type(mp_comm_type), | intent(in) | :: | gid |
SUBROUTINE mp_allgather_i22(msgout, msgin, gid) !! Gathers rank-2 data from all processes and all processes receive the !! same data !! @note see mp_allgather_i12 INTEGER(KIND=int_4), CONTIGUOUS, INTENT(IN) :: msgout(:, :) !! Rank-2 data to send INTEGER(KIND=int_4), CONTIGUOUS, INTENT(OUT) :: msgin(:, :) TYPE(mp_comm_type), INTENT(IN) :: gid CHARACTER(LEN=*), PARAMETER :: routineN = 'mp_allgather_i22' INTEGER :: handle, ierr #if defined(__parallel) INTEGER :: rcount, scount #endif ierr = 0 CALL timeset(routineN, handle) #if defined(__parallel) scount = SIZE(msgout(:, :)) rcount = scount CALL MPI_ALLGATHER(msgout, scount, MPI_INTEGER, & msgin, rcount, MPI_INTEGER, & gid%handle, ierr) IF (ierr /= 0) CALL mp_stop(ierr, "mpi_allgather @ "//routineN) #else MARK_USED(gid) msgin(:, :) = msgout(:, :) #endif CALL timestop(handle) END SUBROUTINE mp_allgather_i22