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! -*- Mode: Fortran; -*-
!
! (C) 2014 by Argonne National Laboratory.
! See COPYRIGHT in top-level directory.
!
program main
use mpi_f08
implicit none
integer :: size, rank, ierr, errs
logical :: verbose
common /flags/ verbose
character (len=10) :: name='test15'
character (len=80) :: title='test 15: Isend/Irecv 2d array column slice - iar_2d(1:7:3,2:6:2)'
integer :: i, j
integer, dimension(9,9) :: iar_2d, iar_2dch
type(MPI_Status) status
type(MPI_Request) request
errs = 0
verbose = .false.
call MTest_Init(ierr)
call mpi_comm_size(MPI_COMM_WORLD, size, ierr)
call mpi_comm_rank(MPI_COMM_WORLD, rank, ierr)
if (rank .eq. 0) then
if (verbose) print *, ' ===== ', trim(title), ' ====='
do i=1,9
do j=1,9
iar_2d(j,i) = (j * 10) + i
end do
end do
do j=1,9
if (verbose) print *, (iar_2d(i,j),i=1,9)
end do
else
do i=1,9
do j=1,9
iar_2d(j,i) = 0
iar_2dch(j,i) = 0
end do
end do
do i=2,6,2
do j=1,7,3
iar_2dch(j,i) = (j * 10) + i
end do
end do
endif
if (rank .eq. 0) then
block
ASYNCHRONOUS :: iar_2d
call mpi_isend(iar_2d(1:7:3,2:6:2), 9, MPI_INTEGER, 1, 123, MPI_COMM_WORLD, request, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *,"PE ",rank,": ",name,": mpi_isend exited in error (",ierr,")"
errs = errs + 1
endif
call mpi_wait(request, status, ierr)
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *,"PE ",rank,": ",name,": mpi_wait exited in error (",ierr,")"
errs = errs + 1
endif
end block
else if (rank .eq. 1) then
block
ASYNCHRONOUS :: iar_2d
call mpi_irecv(iar_2d(1:7:3,2:6:2), 9, MPI_INTEGER, 0, 123, MPI_COMM_WORLD, request, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *,"PE ",rank,": ",name,"mpi_irecv exited in error (",ierr,")"
errs = errs + 1
endif
call mpi_wait(request, status, ierr)
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *,"PE ",rank,": ",name,": mpi_wait exited in error (",ierr,")"
errs = errs + 1
endif
end block
do i=2,6,2
do j=1,7,3
if (iar_2d(j,i) .ne. iar_2dch(j,i)) then
if (verbose) print *, "rank 1: iar_2d(", j, ",", i, ")=", iar_2d(j,i), ", expected ", iar_2dch(j,i)
errs = errs + 1
endif
end do
end do
if (errs .eq. 0) then
if (verbose) print *, "PE ", rank,": PASS - ", trim(title)
else
if (verbose) print *, "PE ", rank,": FAIL - ", trim(title)
endif
do j=1,9
if (verbose) print *, (iar_2d(i,j),i=1,9)
end do
endif
call MTest_Finalize(errs)
call MPI_Finalize(ierr)
end program
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