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!
! Copyright (C) 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
integer sint, iar(10), iar_2d(9,9), iar_3d(9,9,9)
type(MPI_Status) status
integer i, j, k
integer junk(1000)
integer save_my_rank
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)
save_my_rank = rank
! ----------------------------------------------------------
if (rank .eq. 0) then
sint = 789
if (verbose) then
write (0,*) ' ===== Trivial send/recv ====='
print *, ' ===== Trivial send/recv ====='
print *, "rank 0 sends ", sint
endif
call mpi_send(sint, 1, MPI_INTEGER, 1, 567, MPI_COMM_WORLD, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, ": mpi_send exited in error (",ierr,")"
errs = errs + 1
endif
else
call mpi_recv(sint, 1, MPI_INTEGER, 0, 567, MPI_COMM_WORLD, status, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank,": mpi_recv exited in error (",ierr,")"
errs = errs + 1
endif
if (verbose) print *, "rank 1 receives ",sint
if (sint .eq. 789) then
if (verbose) print *, "PE ", rank,": PASS - Trivial send/recv"
else
if (verbose) print *, "PE ", rank,": FAIL - Trivial send/recv"
errs = errs + 1
endif
endif
! ----------------------------------------------------------
call mpi_barrier(MPI_COMM_WORLD, ierr)
if (rank .eq. 0) then
if (verbose) then
write (0,*) ' ===== Send/Recv iar(2:8:2) ====='
print *, ' ===== Send/Recv iar(2:8:2) ====='
endif
do i=1,10
iar(i)=i
end do
if (verbose) then
print *, 'PE ', rank, '(0),[', save_my_rank, ']: loc(iar)=',loc(iar)
print *, 'PE 0: loc(iar)=',loc(iar)
endif
call mpi_send(iar(2:8:2), 4, MPI_INTEGER, 1, 678, MPI_COMM_WORLD, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, "(0): mpi_send exited in error (",ierr,")"
errs = errs + 1
endif
else if (rank .eq. 1) then
if (verbose) print *, 'PE 1: loc(iar)=',loc(iar)
call mpi_recv(iar(2:8:2), 4, MPI_INTEGER, 0, 678, MPI_COMM_WORLD, status, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, "(1): mpi_recv exited in error (",ierr,")"
errs = errs + 1
endif
do i=2,8,2
if (iar(i) .ne. i) then
if (verbose) print *, "rank 1: iar(", i, ")=", iar(i), ", expected ",i
errs = errs + 1
endif
end do
if (errs .eq. 0) then
if (verbose) print *, "PE ", rank,": PASS - Send/Recv iar(2:8:2)"
else
if (verbose) print *, "PE ", rank,": FAIL - Send/Recv iar(2:8:2)"
endif
endif
! ----------------------------------------------------------
call mpi_barrier(MPI_COMM_WORLD, ierr)
if (rank .eq. 0) then
if (verbose) then
write (0, *) " ======== Simple 2d array test (iar_2d) ======== "
print *, " ======== Simple 2d array test (iar_2d) ======== "
endif
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(1,j), iar_2d(2,j), iar_2d(3,j), iar_2d(4,j), &
iar_2d(5,j), iar_2d(6,j), iar_2d(7,j), iar_2d(8,j), iar_2d(9,j)
end do
else
do i=1,9
do j=1,9
iar_2d(j,i) = 0
end do
end do
endif
if (rank .eq. 0) then
if (verbose) print *, 'PE 0: Sending: loc(iar_2d)=',loc(iar_2d)
call mpi_send(iar_2d, 81, MPI_INTEGER, 1, 789, MPI_COMM_WORLD, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, ": mpi_send exited in error (",ierr,")"
errs = errs + 1
endif
else
if (verbose) print *, 'PE 1: Receiving: loc(iar_2d)=',loc(iar_2d)
call mpi_recv(iar_2d, 81, MPI_INTEGER, 0, 789, MPI_COMM_WORLD, status, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, "(1): mpi_recv exited in error (",ierr,")"
errs = errs + 1
endif
do i=1,9
do j=1,9
if (iar_2d(j,i) .ne. (j * 10) + i) then
if (verbose) print *, "rank 1: iar_2d(", j, ",", i, ")=", iar_2d(j,i), ", expected ", (j * 10) + i
errs = errs + 1
endif
end do
end do
if (errs .eq. 0) then
if (verbose) print *, "PE ", rank,": PASS - Send/Recv iar_2d()"
else
if (verbose) print *, "PE ", rank,": FAIL - Send/Recv iar_2d()"
endif
endif
! ----------------------------------------------------------
call mpi_barrier(MPI_COMM_WORLD, ierr)
if (rank .eq. 0) then
if (verbose) then
write (0, *) " ======== Simple 3d array test (iar_3d) ======== "
print *, " ======== Simple 3d array test (iar_3d) ======== "
endif
do i=1,9
do j=1,9
do k=1,9
iar_3d(k,j,i) = (k * 100) + (j * 10) + i
end do
end do
end do
else
do i=1,9
do j=1,9
do k=1,9
iar_3d(k, j,i) = 0
end do
end do
end do
endif
if (rank .eq. 0) then
if (verbose) print *, 'PE 0: Sending: loc(iar_3d)=',loc(iar_3d)
call mpi_send(iar_3d, 729, MPI_INTEGER, 1, 891, MPI_COMM_WORLD, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, ": mpi_send exited in error (",ierr,")"
errs = errs + 1
endif
else
if (verbose) print *, 'PE 1: Receiving: loc(iar_3d)=',loc(iar_3d)
call mpi_recv(iar_3d, 729, MPI_INTEGER, 0, 891, MPI_COMM_WORLD, status, ierr);
if (ierr .ne. MPI_SUCCESS) then
if (verbose) print *, "PE ", rank, "(1): mpi_recv exited in error (",ierr,")"
errs = errs + 1
endif
do i=1,9
do j=1,9
do k=1,9
if (iar_3d(k, j,i) .ne. (k * 100) + (j * 10) + i) then
if (verbose) print *, "rank 1: iar_3d(", k, ",", j, ",", i, ")=", &
iar_3d(k, j,i), ", expected ", (k * 100) + (j * 10) + i
errs = errs + 1
endif
end do
end do
end do
if (errs .eq. 0) then
if (verbose) print *, "PE ", rank,": PASS - Send/Recv iar_3d()"
else
if (verbose) print *, "PE ", rank,": FAIL - Send/Recv iar_3d()"
endif
endif
call MTest_Finalize(errs)
end program
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