[Openmp-commits] [PATCH] D109026: [OpenMP] Change monotonicity of dynamic schedule

Nawrin Sultana via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Tue Aug 31 14:43:21 PDT 2021

Nawrin created this revision.
Nawrin added a reviewer: AndreyChurbanov.
Nawrin added a project: OpenMP.
Herald added subscribers: guansong, yaxunl.
Nawrin requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.

This patch changes the default monotonicity of dynamic schedule from monotonic to non-monotonic when no modifier is specifier.

  rG LLVM Github Monorepo



Index: openmp/runtime/src/kmp_dispatch.cpp
--- openmp/runtime/src/kmp_dispatch.cpp
+++ openmp/runtime/src/kmp_dispatch.cpp
@@ -72,8 +72,8 @@
 static inline int __kmp_get_monotonicity(ident_t *loc, enum sched_type schedule,
                                          bool use_hier = false) {
   // Pick up the nonmonotonic/monotonic bits from the scheduling type
-  // TODO: make nonmonotonic when static_steal is fixed
-  int monotonicity = SCHEDULE_MONOTONIC;
+  // Nonmonotonic as default for dynamic schedule when no modifier is specified
+  int monotonicity = SCHEDULE_NONMONOTONIC;
   // Let default be monotonic for executables
   // compiled with OpenMP* 4.5 or less compilers

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