[Openmp-commits] [PATCH] D115758: [OpenMP][CPU runtime]

[Terry Wilmarth via Phabricator via Openmp-commits]

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

Add use of TPAUSE (from WAITPKG) to the runtime for Intel hardware, with an envirable KMP_TPAUSE to turn it on in a particular C-state.  Always uses TPAUSE if it is selected and enabled by Intel hardware and presence of WAITPKG, and if not, falls back to old way of checking __kmp_use_yield, etc.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115758

Files:
  openmp/runtime/src/kmp.h
  openmp/runtime/src/kmp_dispatch.cpp
  openmp/runtime/src/kmp_dispatch.h
  openmp/runtime/src/kmp_global.cpp
  openmp/runtime/src/kmp_lock.cpp
  openmp/runtime/src/kmp_lock.h
  openmp/runtime/src/kmp_runtime.cpp
  openmp/runtime/src/kmp_settings.cpp
  openmp/runtime/src/kmp_tasking.cpp
  openmp/runtime/src/kmp_wait_release.h
  openmp/runtime/src/z_Windows_NT_util.cpp

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