[MPlayer-dev-eng] Re: Compile options
Carl Eugen Hoyos
cehoyos at ag.or.at
Sat Sep 16 18:11:19 CEST 2006
Andrew Savchenko <Bircoph <at> list.ru> writes:
> > -O4:
> > BENCHMARKs: VC: 69.572s VO: 8.038s A: 2.032s Sys: 79.365s =
> > 159.007s BENCHMARK%: VC: 43.7541% VO: 5.0551% A: 1.2780% Sys:
> > 49.9129% = 100.0000%
> >
> > real 2m39.531s
> > user 1m12.721s
> > sys 0m0.652s
> >
> > -O2:
> > BENCHMARKs: VC: 67.075s VO: 7.877s A: 1.984s Sys: 82.081s =
> > 159.017s BENCHMARK%: VC: 42.1811% VO: 4.9537% A: 1.2475% Sys:
> > 51.6176% = 100.0000%
> >
> > real 2m39.629s
> > user 1m9.408s
> > sys 0m0.680s
>
> I misunderstand you.
Yes. Sorry about that.
-O2 is 2% - 5% faster than -O4. Please try to confirm.
[...]
Carl Eugen
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