FIXME : Add documentation
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real, | intent(inout), | dimension (:,:,:,:) | :: | a |
subroutine sum_allreduce_real_4array (a)
implicit none
real, dimension (:,:,:,:), intent (in out) :: a
# ifdef MPI
integer :: ierror
!$OMP MASTER
call time_message(.false., time_mp_collectives, ' MPI Collectives')
!$OMP END MASTER
call mpi_allreduce &
(MPI_IN_PLACE, a, size(a), mpireal, MPI_SUM, mp_comm, ierror)
!$OMP MASTER
call time_message(.false., time_mp_collectives, ' MPI Collectives')
!$OMP END MASTER
# else
UNUSED_DUMMY(a)
# endif
end subroutine sum_allreduce_real_4array