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https://github.com/OpenMP/Examples.git
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43 lines
897 B
Fortran
43 lines
897 B
Fortran
! @@name: async_target.4
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! @@type: F-free
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! @@operation: compile
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! @@expect: success
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! @@version: omp_4.5
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subroutine vec_mult(N)
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implicit none
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integer :: i, N
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real, allocatable :: p(:), v1(:), v2(:)
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allocate( p(N), v1(N), v2(N) )
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!$omp parallel num_threads(2)
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!$omp single
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!$omp task depend(out:v1)
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call init(v1, N)
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!$omp end task
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!$omp task depend(out:v2)
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call init(v2, N)
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!$omp end task
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!$omp target nowait depend(in:v1,v2) depend(out:p) &
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!$omp& map(to:v1,v2) map(from: p)
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!$omp parallel do
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do i=1,N
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p(i) = v1(i) * v2(i)
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end do
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!$omp end target
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!$omp task depend(in:p)
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call output(p, N)
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!$omp end task
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!$omp end single
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!$omp end parallel
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deallocate( p, v1, v2 )
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end subroutine
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