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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*8 :: name='test10'
character*80 :: title='test 10: Isend/Irecv - send integer'
integer :: sint, i
integer, dimension(10) :: iar
type(MPI_Request) request
type(MPI_Status) status
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
sint = 789
if (verbose) then
print *, ' ===== ', trim(title), ' ====='
print *, "rank 0 sends ", sint
endif
block
ASYNCHRONOUS :: sint
call mpi_isend(sint, 1, MPI_INTEGER, 1, 567, MPI_COMM_WORLD, request, ierr);
if (ierr .ne. MPI_SUCCESS) then
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
print *,"PE ",rank,": ",name,": mpi_wait exited in error (",ierr,")"
errs = errs + 1
endif
end block
else
block
ASYNCHRONOUS :: sint
call mpi_irecv(sint, 1, MPI_INTEGER, 0, 567, MPI_COMM_WORLD, request, ierr);
if (ierr .ne. MPI_SUCCESS) then
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
print *,"PE ",rank,": ",name,": mpi_wait exited in error (",ierr,")"
errs = errs + 1
endif
end block
if (verbose) print *, "rank 1 receives ",sint
if (sint .eq. 789) then
if (verbose) print *, "PE ", rank,": PASS - ", trim(title)
else
print *, "PE ", rank,": FAIL - ", trim(title)
errs = errs + 1
endif
endif
call MTest_Finalize(errs)
call MPI_Finalize(ierr)
end program
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