source: CIVL/examples/omp/dataracebench-1.3.2/micro-benchmarks-fortran/DRB116-target-teams-orig-yes.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: 1018 bytes
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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!use of omp target + teams
9!Without protection, master threads from two teams cause data races.
10!Data race pair: a@24:9 vs. a@24:9
11
12program DRB116_target_teams_orig_yes
13 use omp_lib
14 implicit none
15
16 integer i, len
17 integer, parameter :: dp = kind(1.0d0)
18 real(dp), dimension(:), allocatable :: a
19
20 len = 100
21 allocate (a(len))
22
23 do i = 1, len
24 a(i) = (real(i,dp))/2.0
25 end do
26
27 !$omp target map(tofrom: a(0:len))
28 !$omp teams num_teams(2)
29 a(50) = a(50)*2.0
30 !$omp end teams
31 !$omp end target
32
33 print*,'a(50)=',a(50)
34
35 deallocate(a)
36end program
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