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Profile Guided Optimization (PGO) #1378

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illume opened this issue Oct 7, 2019 · 1 comment

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moderate Performance tooling

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illume commented Oct 7, 2019 •

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Compile, profile, compile again. This can give 3%-20% improvements.

gcc pgo https://gcc.gnu.org/wiki/AutoFDO/Tutorial
https://ddmler.github.io/compiler/2018/06/29/profile-guided-optimization.html
ms pgo https://docs.microsoft.com/en-us/cpp/build/profile-guided-optimizations?view=vs-2019
clang pgo https://clang.llvm.org/docs/UsersManual.html#profile-guided-optimization
how python implemented it: https://bugs.python.org/issue24915
how clear linux does it in python extensions: https://clearlinux.org/news-blogs/boosting-python-profile-guided-platform-specific-optimizations

illume added the tooling label

doko42 commented Nov 11, 2019

please note that gcc pgo is not AutoFDO

MyreMylar added Performance moderate labels

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