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| author | AndreyChurbanov <andrey.churbanov@intel.com> | 2019-11-27 15:26:51 +0300 |
|---|---|---|
| committer | AndreyChurbanov <andrey.churbanov@intel.com> | 2019-11-27 15:26:51 +0300 |
| commit | bd2fb41c2dd537d1ab0dbce5795a1fef3de6cd52 (patch) | |
| tree | 54efca4c984ed33ea32a0056e3a7ddbc4202b852 /openmp/runtime/src | |
| parent | 755dfaa1048ef216cfdce68b05185d8ab1b00ae7 (diff) | |
| download | bcm5719-llvm-bd2fb41c2dd537d1ab0dbce5795a1fef3de6cd52.tar.gz bcm5719-llvm-bd2fb41c2dd537d1ab0dbce5795a1fef3de6cd52.zip | |
[openmp] Fixed nonmonotonic schedule when #threads > #chunks in a loop.
Differential Revision: https://reviews.llvm.org/D70713
Diffstat (limited to 'openmp/runtime/src')
| -rw-r--r-- | openmp/runtime/src/kmp_dispatch.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/openmp/runtime/src/kmp_dispatch.cpp b/openmp/runtime/src/kmp_dispatch.cpp index 161a2c69635..aee1a649741 100644 --- a/openmp/runtime/src/kmp_dispatch.cpp +++ b/openmp/runtime/src/kmp_dispatch.cpp @@ -379,14 +379,15 @@ void __kmp_dispatch_init_algorithm(ident_t *loc, int gtid, } break; } else { - KD_TRACE(100, ("__kmp_dispatch_init_algorithm: T#%d falling-through to " - "kmp_sch_static_balanced\n", - gtid)); - schedule = kmp_sch_static_balanced; - /* too few iterations: fall-through to kmp_sch_static_balanced */ + /* too few chunks: switching to kmp_sch_dynamic_chunked */ + schedule = kmp_sch_dynamic_chunked; + KD_TRACE(100, ("__kmp_dispatch_init_algorithm: T#%d switching to " + "kmp_sch_dynamic_chunked\n", + gtid)); + if (pr->u.p.parm1 <= 0) + pr->u.p.parm1 = KMP_DEFAULT_CHUNK; + break; } // if - /* FALL-THROUGH to static balanced */ - KMP_FALLTHROUGH(); } // case #endif case kmp_sch_static_balanced: { |
