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IDProjectCategoryView StatusLast Update
0000350AlmaLinux-9clangpublic2022-12-29 03:34
Reporterzamazan4ik Assigned To 
Status newResolutionopen 
Summary0000350: Build Clang with PGO
DescriptionLLVM supports building Clang with PGO ( Using PGO for compilers has a huge impact on compiler performance. E.g. many distros are already building GCC (which also supports PGO builds) with PGO. I think for the users would be beneficial to have faster Clang binaries.

Locally I usually build my own Clang version. According to my tests, it could bring up to 20% performance.

Additionally, you could consider using LLVM BOLT as an additional optimization step, but I guess it should be discussed in another issue after the PGO implementation.
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Date Modified Username Field Change
2022-12-29 03:34 zamazan4ik New Issue