[Openmp-commits] [openmp] ec97866 - [OpenMP] Make bug49334.cpp more reproducible

[Shilei Tian via Openmp-commits]

Author: Shilei Tian
Date: 2021-06-18T18:35:41-04:00
New Revision: ec978664542d6202c05e809fcfd6ead62a43d41b

URL: https://github.com/llvm/llvm-project/commit/ec978664542d6202c05e809fcfd6ead62a43d41b
DIFF: https://github.com/llvm/llvm-project/commit/ec978664542d6202c05e809fcfd6ead62a43d41b.diff

LOG: [OpenMP] Make bug49334.cpp more reproducible

`bug49334.cpp` cannot detect data race in `libomptarget` efficiently. It
is reported that with `N = 256` and `BS = 16`, the data race can be reproduced
more steadily. The next coming pathces will fix it so this patch is expected to
fail now.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D104552

Added: 
    

Modified: 
    openmp/libomptarget/test/offloading/bug49334.cpp

Removed: 
    


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diff  --git a/openmp/libomptarget/test/offloading/bug49334.cpp b/openmp/libomptarget/test/offloading/bug49334.cpp
index fd4a82b95612d..cb096215fcf2c 100644
--- a/openmp/libomptarget/test/offloading/bug49334.cpp
+++ b/openmp/libomptarget/test/offloading/bug49334.cpp
@@ -70,8 +70,8 @@ class BlockMatrix {
   }
 };
 
-constexpr const int BS = 256;
-constexpr const int N = 1024;
+constexpr const int BS = 16;
+constexpr const int N = 256;
 
 int BlockMatMul_TargetNowait(BlockMatrix &A, BlockMatrix &B, BlockMatrix &C) {
 #pragma omp parallel