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| author | Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> | 2018-12-03 15:21:49 +0000 |
|---|---|---|
| committer | Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> | 2018-12-03 15:21:49 +0000 |
| commit | 2ef6af7b17f9e65db2bb1eb0300293efa3d8def6 (patch) | |
| tree | 7d515507ef5bbeea2e96838ea788823c5f792824 /openmp/libomptarget | |
| parent | 32487b6f32fbc7a8ece667b6d1a0faa31163837e (diff) | |
[OpenMP][libomptarget] Flush intermediate values during team reduction
Summary: Ensure intermediate values of a team reduction are flushed to memory.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: guansong, jfb, openmp-commits
Differential Revision: https://reviews.llvm.org/D55219
Diffstat (limited to 'openmp/libomptarget')
| -rw-r--r-- | openmp/libomptarget/deviceRTLs/nvptx/src/reduction.cu | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/openmp/libomptarget/deviceRTLs/nvptx/src/reduction.cu b/openmp/libomptarget/deviceRTLs/nvptx/src/reduction.cu index bbe4ad16838..a9e35a1b9fc 100644 --- a/openmp/libomptarget/deviceRTLs/nvptx/src/reduction.cu +++ b/openmp/libomptarget/deviceRTLs/nvptx/src/reduction.cu @@ -444,6 +444,7 @@ EXTERN int32_t __kmpc_nvptx_teams_reduce_nowait_simple(kmp_Ident *loc, EXTERN void __kmpc_nvptx_teams_end_reduce_nowait_simple(kmp_Ident *loc, int32_t global_tid, kmp_CriticalName *crit) { + __threadfence_system(); (void)atomicExch((uint32_t *)crit, 0); } |