source: CIVL/examples/omp/dataracebench-1.3.2/micro-benchmarks-fortran/DRB146-atomicupdate-orig-gpu-no.f95

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Last change on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago

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

  • Property mode set to 100755
File size: 859 bytes
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[e3f356c]1!!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
2!!! Copyright (c) 2017-20, Lawrence Livermore National Security, LLC
3!!! and DataRaceBench project contributors. See the DataRaceBench/COPYRIGHT file for details.
4!!!
5!!! SPDX-License-Identifier: (BSD-3-Clause)
6!!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
7
8!The var@22:13 is atomic update. Hence, there is no data race.
9
10
11program DRB146_atomicupdate_orig_gpu_no
12 use omp_lib
13 implicit none
14
15 integer :: var, i
16 var = 0
17
18 !$omp target map(tofrom:var) device(0)
19 !$omp teams distribute
20 do i = 1, 100
21 !$omp atomic update
22 var = var+1
23 !$omp end atomic
24 end do
25 !$omp end teams distribute
26 !$omp end target
27
28 print*,var
29end program
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