Performance variation when moving functions between files

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  • llvm-propeller

    PROPELLER: Profile Guided Optimizing Large Scale LLVM-based Relinker

  • Google also wrote PROPELLER which claims to be even better than BOLT, but I don't know why they didn't drive it all the way to upstream. BOLT got merged after PROPELLER claimed to obsolete it. I can only assume there was a lot more to the story than anyone is saying in public.

  • coz

    Coz: Causal Profiling

  • Could it be an issue of binary layout? Have a look at the coz profiler which has a rust port.

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