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44 lines
972 B
Fortran
44 lines
972 B
Fortran
! @@name: target_task_reduction.2b.f90
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! @@type: F-free
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! @@compilable: yes
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! @@requires: preprocessing
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! @@linkable: yes
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! @@expect: success
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! @@version: omp_5.1
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#if _OPENMP < 202011
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#define masked master
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#endif
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program target_task_reduction_ex2b
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interface
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subroutine device_compute(res)
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!$omp declare target to(device_compute)
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integer :: res
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end subroutine device_compute
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subroutine host_compute(res)
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integer :: res
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end subroutine host_compute
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end interface
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integer :: sum
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sum = 0
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!$omp parallel masked reduction(task,+:sum)
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!$omp target in_reduction(+:sum) nowait
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call device_compute(sum)
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!$omp end target
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call host_compute(sum)
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!$omp end parallel masked
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print *, "sum = ", sum
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!!OUTPUT: sum = 2
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end program
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subroutine device_compute(sum)
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integer :: sum
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sum = 1
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end subroutine
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subroutine host_compute(sum)
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integer :: sum
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sum = 1
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end subroutine
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