Post link optimization (PLO) tools have been around for quite a while. In particular, Meta’s BOLT (fully upstream in LLVM) and Google’s Propeller (somewhat upstream in LLVM, but fully open source) have been around for 5+ years at this point.
It doesn’t seem like Intel’s BOT delivers more performance gains, and it is closed source.
It doesn’t seem like Intel’s BOT delivers more performance gains, and it is closed source.