OpenMP-Examples/sources/Example_declare_target.3.f90

25 lines
522 B
Fortran

! @@name: declare_target.3f
! @@type: F-free
! @@compilable: yes
! @@linkable: no
! @@expect: success
module my_arrays
!$omp declare target (N, p, v1, v2)
integer, parameter :: N=1000
real :: p(N), v1(N), v2(N)
end module
subroutine vec_mult()
use my_arrays
integer :: i
call init(v1, v2, N);
!$omp target update to(v1, v2)
!$omp target
!$omp parallel do
do i = 1,N
p(i) = v1(i) * v2(i)
end do
!$omp end target
!$omp target update from (p)
call output(p, N)
end subroutine