blob: d3401c8fd0449aef488ad68f22e05fc6e961b304 [file] [log] [blame]
! { dg-do run }
! real reductions
program reduction_2
implicit none
integer, parameter :: n = 10, ng = 8, nw = 4, vl = 32
integer :: i
real :: vresult, rg, rw, rv, rc
real, parameter :: e = 0.001
logical :: lrg, lrw, lrv, lrc, lvresult
real, dimension (n) :: array
do i = 1, n
array(i) = i
end do
!
! '+' reductions
!
rg = 0
rw = 0
rv = 0
rc = 0
vresult = 0
!$acc parallel num_gangs(ng) copy(rg)
!$acc loop reduction(+:rg) gang
do i = 1, n
rg = rg + array(i)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(rw)
!$acc loop reduction(+:rw) worker
do i = 1, n
rw = rw + array(i)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(rv)
!$acc loop reduction(+:rv) vector
do i = 1, n
rv = rv + array(i)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(rc)
!$acc loop reduction(+:rc) gang worker vector
do i = 1, n
rc = rc + array(i)
end do
!$acc end parallel
! Verify the results
do i = 1, n
vresult = vresult + array(i)
end do
if (rg .ne. vresult) STOP 1
if (rw .ne. vresult) STOP 2
if (rv .ne. vresult) STOP 3
if (rc .ne. vresult) STOP 4
!
! '*' reductions
!
rg = 1
rw = 1
rv = 1
rc = 1
vresult = 1
!$acc parallel num_gangs(ng) copy(rg)
!$acc loop reduction(*:rg) gang
do i = 1, n
rg = rg * array(i)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(rw)
!$acc loop reduction(*:rw) worker
do i = 1, n
rw = rw * array(i)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(rv)
!$acc loop reduction(*:rv) vector
do i = 1, n
rv = rv * array(i)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(rc)
!$acc loop reduction(*:rc) gang worker vector
do i = 1, n
rc = rc * array(i)
end do
!$acc end parallel
! Verify the results
do i = 1, n
vresult = vresult * array(i)
end do
if (abs (rg - vresult) .ge. e) STOP 5
if (abs (rw - vresult) .ge. e) STOP 6
if (abs (rv - vresult) .ge. e) STOP 7
if (abs (rc - vresult) .ge. e) STOP 8
!
! 'max' reductions
!
rg = 0
rw = 0
rg = 0
rc = 0
vresult = 0
!$acc parallel num_gangs(ng) copy(rg)
!$acc loop reduction(max:rg) gang
do i = 1, n
rg = max (rg, array(i))
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(rw)
!$acc loop reduction(max:rw) worker
do i = 1, n
rw = max (rw, array(i))
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(rv)
!$acc loop reduction(max:rv) vector
do i = 1, n
rv = max (rv, array(i))
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(rc)
!$acc loop reduction(max:rc) gang worker vector
do i = 1, n
rc = max (rc, array(i))
end do
!$acc end parallel
! Verify the results
do i = 1, n
vresult = max (vresult, array(i))
end do
if (abs (rg - vresult) .ge. e) STOP 9
if (abs (rw - vresult) .ge. e) STOP 10
if (abs (rg - vresult) .ge. e) STOP 11
if (abs (rc - vresult) .ge. e) STOP 12
!
! 'min' reductions
!
rg = 0
rw = 0
rv = 0
rc = 0
vresult = 0
!$acc parallel num_gangs(ng) copy(rg)
!$acc loop reduction(min:rg) gang
do i = 1, n
rg = min (rg, array(i))
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(rw)
!$acc loop reduction(min:rw) worker
do i = 1, n
rw = min (rw, array(i))
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(rv)
!$acc loop reduction(min:rv) vector
do i = 1, n
rv = min (rv, array(i))
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(rc)
!$acc loop reduction(min:rc) gang worker vector
do i = 1, n
rc = min (rc, array(i))
end do
!$acc end parallel
! Verify the results
do i = 1, n
vresult = min (vresult, array(i))
end do
if (rg .ne. vresult) STOP 13
if (rv .ne. vresult) STOP 14
if (rw .ne. vresult) STOP 15
if (rc .ne. vresult) STOP 16
!
! '.and.' reductions
!
lrg = .true.
lrw = .true.
lrv = .true.
lrc = .true.
lvresult = .true.
!$acc parallel num_gangs(ng) copy(lrg)
!$acc loop reduction(.and.:lrg) gang
do i = 1, n
lrg = lrg .and. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(lrw)
!$acc loop reduction(.and.:lrw) worker
do i = 1, n
lrw = lrw .and. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(lrv)
!$acc loop reduction(.and.:lrv) vector
do i = 1, n
lrv = lrv .and. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(lrc)
!$acc loop reduction(.and.:lrc) gang worker vector
do i = 1, n
lrc = lrc .and. (array(i) .ge. 5)
end do
!$acc end parallel
! Verify the results
do i = 1, n
lvresult = lvresult .and. (array(i) .ge. 5)
end do
if (lrg .neqv. lvresult) STOP 17
if (lrw .neqv. lvresult) STOP 18
if (lrv .neqv. lvresult) STOP 19
if (lrc .neqv. lvresult) STOP 20
!
! '.or.' reductions
!
lrg = .false.
lrw = .false.
lrv = .false.
lrc = .false.
lvresult = .false.
!$acc parallel num_gangs(ng) copy(lrg)
!$acc loop reduction(.or.:lrg) gang
do i = 1, n
lrg = lrg .or. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(lrw)
!$acc loop reduction(.or.:lrw) worker
do i = 1, n
lrw = lrw .or. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(lrv)
!$acc loop reduction(.or.:lrv) vector
do i = 1, n
lrv = lrv .or. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(lrc)
!$acc loop reduction(.or.:lrc) gang worker vector
do i = 1, n
lrc = lrc .or. (array(i) .ge. 5)
end do
!$acc end parallel
! Verify the results
do i = 1, n
lvresult = lvresult .or. (array(i) .ge. 5)
end do
if (lrg .neqv. lvresult) STOP 21
if (lrw .neqv. lvresult) STOP 22
if (lrv .neqv. lvresult) STOP 23
if (lrc .neqv. lvresult) STOP 24
!
! '.eqv.' reductions
!
lrg = .true.
lrw = .true.
lrv = .true.
lrc = .true.
lvresult = .true.
!$acc parallel num_gangs(ng) copy(lrg)
!$acc loop reduction(.eqv.:lrg) gang
do i = 1, n
lrg = lrg .eqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(lrw)
!$acc loop reduction(.eqv.:lrw) worker
do i = 1, n
lrw = lrw .eqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(lrv)
!$acc loop reduction(.eqv.:lrv) vector
do i = 1, n
lrv = lrv .eqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(lrc)
!$acc loop reduction(.eqv.:lrc) gang worker vector
do i = 1, n
lrc = lrc .eqv. (array(i) .ge. 5)
end do
!$acc end parallel
! Verify the results
do i = 1, n
lvresult = lvresult .eqv. (array(i) .ge. 5)
end do
if (lrg .neqv. lvresult) STOP 25
if (lrw .neqv. lvresult) STOP 26
if (lrv .neqv. lvresult) STOP 27
if (lrc .neqv. lvresult) STOP 28
!
! '.neqv.' reductions
!
lrg = .true.
lrw = .true.
lrv = .true.
lrc = .true.
lvresult = .true.
!$acc parallel num_gangs(ng) copy(lrg)
!$acc loop reduction(.neqv.:lrg) gang
do i = 1, n
lrg = lrg .neqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_workers(nw) copy(lrw)
!$acc loop reduction(.neqv.:lrw) worker
do i = 1, n
lrw = lrw .neqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel vector_length(vl) copy(lrv)
!$acc loop reduction(.neqv.:lrv) vector
do i = 1, n
lrv = lrv .neqv. (array(i) .ge. 5)
end do
!$acc end parallel
!$acc parallel num_gangs(ng) num_workers(nw) vector_length(vl) copy(lrc)
!$acc loop reduction(.neqv.:lrc) gang worker vector
do i = 1, n
lrc = lrc .neqv. (array(i) .ge. 5)
end do
!$acc end parallel
! Verify the results
do i = 1, n
lvresult = lvresult .neqv. (array(i) .ge. 5)
end do
if (lrg .neqv. lvresult) STOP 29
if (lrw .neqv. lvresult) STOP 30
if (lrv .neqv. lvresult) STOP 31
if (lrc .neqv. lvresult) STOP 32
end program reduction_2