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 | !The distribute parallel do directive at line 19 will execute loop using multiple teams.
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| 9 | !The loop iterations are distributed across the teams in chunks in round robin fashion.
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| 10 | !The missing lock enclosing var@21 leads to data race. Data Race Pairs, var@21:9 and var@21:15.
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| 11 |
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| 12 | program DRB151_missinglock3_orig_gpu_yes
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| 13 | use omp_lib
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| 14 | implicit none
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| 15 |
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| 16 | integer :: var, i
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| 17 |
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| 18 | !$omp target map(tofrom:var) device(0)
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| 19 | !$omp teams distribute parallel do
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| 20 | do i = 1, 100
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| 21 | var = var+1
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| 22 | end do
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| 23 | !$omp end teams distribute parallel do
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| 24 | !$omp end target
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| 25 |
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| 26 | print*, var
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| 27 | end program
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