main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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File size:
1.0 KB
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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 | !Concurrent accessing var@25:9 may cause atomicity violation and inter region data race.
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| 9 | !Lock and reduction clause at line 22, avoids this. No Data Race Pair.
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| 10 |
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| 11 | program DRB154_missinglock3_orig_gpu_no
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| 12 | use omp_lib
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| 13 | implicit none
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| 14 |
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| 15 | integer (kind=omp_lock_kind) :: lck
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| 16 | integer :: var, i
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| 17 | var = 0
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| 18 |
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| 19 | call omp_init_lock (lck)
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| 20 |
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| 21 | !$omp target map(tofrom:var) device(0)
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| 22 | !$omp teams distribute reduction(+:var)
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| 23 | do i = 1, 100
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| 24 | call omp_set_lock(lck)
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| 25 | var = var+1
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| 26 | call omp_unset_lock(lck)
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| 27 | end do
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| 28 | !$omp end teams distribute
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| 29 | !$omp end target
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| 30 |
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| 31 | call omp_destroy_lock(lck)
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| 32 |
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| 33 | print*, var
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| 34 | end program
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