Projects who strongly recommend profile guided optimizations have lazy developers who don't know how to optimize properly.
@lynne they don't teach optimization at university.
Also, do you mean profile-guided optimizations by the compiler, or by a developer who looks at the profiler output and the code and makes changes by hand?
@wolf480pl The compiler of course.
"Just run this the compiler can optimize the hot paths better".
That's definitely the job of a developer.
@lynne loop unrolling used to be the job of a developer, until compilers got good at it.
Do you think that mediocre developers are better at optimizing the hot paths than compilers?
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