2012-03: Profile-guided optimization: how, and what? | Forum thread @ Gentoo Forums - 1 views
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Fabien Cadet on 04 Jan 14Just a Gentoo user notes on how he does it, i.e. -fprofile-generate=/var/tmp/pgo & -fprofile-use=/var/tmp/pgo compiler flags for CFLAGS & CXXFLAGS.