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authorTeresa Johnson <tejohnson@google.com>2016-10-19 17:35:01 +0000
committerTeresa Johnson <tejohnson@google.com>2016-10-19 17:35:01 +0000
commitec544c552ed63cc0e21ccddf342023084c9b904f (patch)
tree41b3cceb5a8f43a6b7849deb5b3c0825bbf335f4 /lldb/packages/Python/lldbsuite/test/help/TestHelp.py
parent69d7cf0d41cc7e41967c16aab471bf9db71ed468 (diff)
downloadbcm5719-llvm-ec544c552ed63cc0e21ccddf342023084c9b904f.tar.gz
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[ThinLTO] Default backend threads to heavyweight_hardware_concurrency
Summary: Changes default backend parallelism from thread::hardware_concurrency to the new llvm::heavyweight_hardware_concurrency, which for X86 Linux defaults to the number of physical cores (and will fall back to thread::hardware_concurrency otherwise). This avoid oversubscribing the physical cores using hyperthreading. Reviewers: mehdi_amini, pcc Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D25775 llvm-svn: 284618
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