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Ubuntu 16.10 Doesn't Change Much With Performance, Clear Linux Still Leads In Most Tests
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Originally posted by doom_Oo7 View Post
I don't know but I recompile all the software on my main system with -Ofast -march=native and I don't remember having a weird crash or something like this. -O3 may have been crashy two decades ago but nowadays it works really well.
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Originally posted by caligula View Post
Stop spreading the FUD and try it yourself. Many games use -O3 because the maximum speed is good. Many programs work and many programs don't give a crap if the floats are computed a bit differently. -O3 should be totally safe and bug reports should be made if some basic software doing integer computation fails.
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Originally posted by SaucyJack View Post
Still spreading FUD eh? Would help if you didnt use Ofast you know. The discussion was about O3.
these map largely to O3 / Os / O2 but also some other more minor flags like LTO (for performance sensitive)
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Originally posted by arjan_intel View Post
FWIW in Clear Linux we have a per package attribute that marks the package "performance sensitive" "size sensitive' or "normal", and 3 different sets of CFLAGS are used between these based on this attribute.
these map largely to O3 / Os / O2 but also some other more minor flags like LTO (for performance sensitive)
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