1.23
2.0
acw/focus-triggers
main
test-branch
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| 1 | !!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
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| 2 | !!! Copyright (c) 2017-20, Lawrence Livermore National Security, LLC
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| 3 | !!! and DataRaceBench project contributors. See the DataRaceBench/COPYRIGHT file for details.
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| 4 | !!!
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| 5 | !!! SPDX-License-Identifier: (BSD-3-Clause)
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| 6 | !!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
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| 7 |
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| 8 | !Freshly allocated pointers do not alias to each other. No data race pairs.
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| 9 |
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| 10 | module DRB066
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| 11 | use omp_lib
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| 12 | implicit none
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| 13 | contains
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| 14 | subroutine setup(N)
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| 15 | integer, value :: N
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| 16 | integer :: i
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| 17 | integer, parameter :: dp = kind(1.0d0)
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| 18 | real(dp),dimension(:), pointer :: m_pdv_sum, m_nvol
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| 19 | real(dp),dimension(:), allocatable, target :: tar1, tar2
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| 20 |
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| 21 | allocate (m_pdv_sum(N))
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| 22 | allocate (m_nvol(N))
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| 23 | allocate (tar1(N))
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| 24 | allocate (tar2(N))
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| 25 |
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| 26 | m_pdv_sum => tar1
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| 27 | m_nvol => tar2
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| 28 |
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| 29 | !$omp parallel do schedule(static)
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| 30 | do i = 1, N
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| 31 | tar1(i) = 0.0
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| 32 | tar2(i) = i*2.5
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| 33 | end do
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| 34 | !$omp end parallel do
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| 35 |
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| 36 | !print*,tar1(N),tar2(N)
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| 37 | if (associated(m_pdv_sum)) nullify(m_pdv_sum)
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| 38 | if (associated(m_nvol)) nullify(m_nvol)
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| 39 | deallocate(tar1,tar2)
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| 40 | end subroutine
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| 41 | end module
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| 42 |
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| 43 | program DRB066_pointernoaliasing_orig_no
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| 44 | use omp_lib
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| 45 | use DRB066
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| 46 | implicit none
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| 47 |
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| 48 | integer :: N
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| 49 | N = 1000
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| 50 |
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| 51 | call setup(N)
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| 52 |
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| 53 | end program
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