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A comment on On sufficiently smart compilers. Parent comment

Re:On sufficiently smart compilers by haldean on Tuesday December 15, 2015 @08:05PM (#10741673)
Got any links? I'd love to check out the tools you're talking about.
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Re:On sufficiently smart compilers by vilya on Tuesday December 15, 2015 @08:46PM (#10741828)
Profile Guided Optimisation is the search term you're looking for. For one example: GCC does it (you may need to use gprof as well, can't really remember).
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