mirror of
https://github.com/autc04/Retro68.git
synced 2024-07-14 17:30:21 +00:00
42 lines
654 B
Fortran
42 lines
654 B
Fortran
! { dg-do run }
|
|
|
|
program reduction
|
|
implicit none
|
|
integer, parameter :: n = 100
|
|
integer :: i, h1, h2, s1, s2, a1, a2
|
|
|
|
h1 = 0
|
|
h2 = 0
|
|
do i = 1, n
|
|
h1 = h1 + 1
|
|
h2 = h2 + 2
|
|
end do
|
|
|
|
s1 = 0
|
|
s2 = 0
|
|
!$acc parallel loop reduction(+:s1, s2)
|
|
do i = 1, n
|
|
s1 = s1 + 1
|
|
s2 = s2 + 2
|
|
end do
|
|
!$acc end parallel loop
|
|
|
|
a1 = 0
|
|
a2 = 0
|
|
!$acc parallel loop reduction(+:a1, a2) async(1)
|
|
do i = 1, n
|
|
a1 = a1 + 1
|
|
a2 = a2 + 2
|
|
end do
|
|
!$acc end parallel loop
|
|
|
|
if (h1 .ne. s1) STOP 1
|
|
if (h2 .ne. s2) STOP 2
|
|
|
|
!$acc wait(1)
|
|
|
|
if (h1 .ne. a1) STOP 3
|
|
if (h2 .ne. a2) STOP 4
|
|
|
|
end program reduction
|