[PATCH] D109036: [CSSPGO] Sort function offset table to speed up profile loading.
Wenlei He via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 31 23:11:58 PDT 2021
wenlei added inline comments.
================
Comment at: llvm/lib/ProfileData/SampleProfWriter.cpp:176
+ if (FunctionSamples::ProfileIsCS) {
+ // Sort the contexts before writing them out.
+ std::map<SampleContext, uint64_t> OrderedFuncOffsetTable(
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In the comment here, it would be good to point out the need for sorting due to how importing works in prelink. Basically part of the comment from readFuncProfiles.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D109036/new/
https://reviews.llvm.org/D109036
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