min_allreduce_sub_integer Subroutine

  1. mp.fpp
  2. mp
  3. min_allreduce_sub_integer

private subroutine min_allreduce_sub_integer(i, sub_comm)

FIXME : Add documentation

Arguments

Type IntentOptional Attributes Name
integer, intent(inout) :: i
integer, intent(in) :: sub_comm

Contents

Source Code

min_allreduce_sub_integer

Source Code

  subroutine min_allreduce_sub_integer (i, sub_comm)
    implicit none
    integer, intent (in out) :: i
    integer, intent(in) :: sub_comm
# ifdef MPI
    integer :: ierror
!$OMP MASTER
    call time_message(.false., time_mp_collectives, ' MPI Collectives')
!$OMP END MASTER
    call mpi_allreduce &
         (MPI_IN_PLACE, i, 1, MPI_INTEGER, MPI_MIN, sub_comm, ierror)
!$OMP MASTER
    call time_message(.false., time_mp_collectives, ' MPI Collectives')
!$OMP END MASTER
# else
    UNUSED_DUMMY(i); UNUSED_DUMMY(sub_comm)
# endif
  end subroutine min_allreduce_sub_integer