https://bugs.kde.org/show_bug.cgi?id=472554
Bug ID: 472554
Summary: Profile-Guided Optimization (PGO) on KDevelop
Classification: Applications
Product: kdevelop
Version: unspecified
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: All build tools
Assignee: kdevelop-bugs-n...@kde.org
Reporter: zamazan...@tut.by
Target Milestone: ---
Hi!
Recently I checked Profile-Guided Optimization (PGO) improvements on multiple
projects. The results are [here](https://github.com/zamazan4ik/awesome-pgo/).
LLVM-related results are
[here](https://github.com/llvm/llvm-project/issues/63486).
Since PGO showed measurable improvements in compiler-like loads (Clang, Clangd,
clang-format, GCC, Rustc, etc.) I think it could be useful to check PGO on
KDevelop too since it has some "compiler-like" details internally and PGO
results from other LLVM projects can be helpful here too.
We need to perform PGO benchmarks on KDevelop. And if it shows improvements -
add a note about possible improvements in KDevelop performance with PGO.
Providing an easier way (e.g. a build option) to build scripts with PGO can be
useful for the end-users too since it could help maintainers to build KDevelop
with PGO support in an easier way.
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