[Openmp-commits] [PATCH] D95157: [OpenMP] Add CPUID leaf 1f topology discovery
Jonathan Peyton via Phabricator via Openmp-commits
openmp-commits at lists.llvm.org
Thu Jan 21 11:33:13 PST 2021
jlpeyton created this revision.
jlpeyton added reviewers: AndreyChurbanov, tlwilmar.
jlpeyton added a project: OpenMP.
Herald added subscribers: guansong, yaxunl.
jlpeyton requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.
This patch adds the new algorithm for topology discovery using CPUID
leaf 1f. Only the new die level is detected and integrated into the
current affinity mechanisms including KMP_AFFINITY (granularity level
and compact/scatter algorithm), OMP_PLACES=dies, and KMP_HW_SUBSET.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D95157
Files:
openmp/runtime/src/i18n/en_US.txt
openmp/runtime/src/kmp.h
openmp/runtime/src/kmp_affinity.cpp
openmp/runtime/src/kmp_global.cpp
openmp/runtime/src/kmp_settings.cpp
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