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| author | Alexey Bataev <a.bataev@hotmail.com> | 2018-12-06 15:27:58 +0000 |
|---|---|---|
| committer | Alexey Bataev <a.bataev@hotmail.com> | 2018-12-06 15:27:58 +0000 |
| commit | 28c12c9c145a00d97703b949fc83a406183f8aed (patch) | |
| tree | 5410e0f6afb2d3764b78459759e25a955680564e /libomptarget | |
| parent | 71a315102d559da747dcd3bce96960909e80ec8f (diff) | |
[OPENMP][NVPTX]Fix __kmpc_flush to flush the memory per system, not per block.
Summary:
According to the standard, after memory flushing the changes in the
memory must be visible to all the threads in all teams. Patch fixes
this.
Reviewers: gtbercea, kkwli0
Subscribers: guansong, jfb, caomhin, openmp-commits
Differential Revision: https://reviews.llvm.org/D55370
git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@348491 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'libomptarget')
| -rw-r--r-- | libomptarget/deviceRTLs/nvptx/src/sync.cu | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libomptarget/deviceRTLs/nvptx/src/sync.cu b/libomptarget/deviceRTLs/nvptx/src/sync.cu index 082f3b3..d4f2ada 100644 --- a/libomptarget/deviceRTLs/nvptx/src/sync.cu +++ b/libomptarget/deviceRTLs/nvptx/src/sync.cu @@ -132,7 +132,7 @@ EXTERN void __kmpc_end_single(kmp_Ident *loc, int32_t global_tid) { EXTERN void __kmpc_flush(kmp_Ident *loc) { PRINT0(LD_IO, "call kmpc_flush\n"); - __threadfence_block(); + __threadfence_system(); } //////////////////////////////////////////////////////////////////////////////// |