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by thoughtpolice
4108 days ago
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GCC has supported `-fprofile-generate` and `-fprofile-use` for profile-guided optimization since (at least[1]) GCC 3.4, which was released over 10 years ago: https://gcc.gnu.org/onlinedocs/gcc-3.4.0/gcc/Optimize-Option... Firefox is an example of an application that ships production binaries with PGO. [1] It was actually supported earlier than this, but I didn't search further; the 3.4.0 manual says "New -fprofile-generate and -fprofile-use command-line options to simplify the use of profile feedback", implying it was there before in a less convenient form. |
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