[Ffmpeg-devel] [PATCH] minor H.264 asm optimization

[Trent Piepho]

On Thu, 22 Feb 2007, Michael Niedermayer wrote:
> -debug 0 or -v 2 with ffmpeg or so should make the TIMER stuff vissible
> with mplayer -lavdopts debug=something should do

it needs -msglevel global=7

> > Only values I have are for mplayer -nosound -benchmark -vo null:
> > 3 runs with old code:
> > BENCHMARKs: VC:   9.101s VO:   0.003s A:   0.000s Sys:   0.420s = 9.525s
> > BENCHMARKs: VC:   9.258s VO:   0.004s A:   0.000s Sys:   0.438s = 9.699s
> > BENCHMARKs: VC:   9.089s VO:   0.003s A:   0.000s Sys:   0.420s = 9.513s
> >
> > 3 runs with new code:
> > BENCHMARKs: VC:   9.184s VO:   0.004s A:   0.000s Sys:   0.419s = 9.607s
> > BENCHMARKs: VC:   9.066s VO:   0.003s A:   0.000s Sys:   0.420s = 9.489s
> > BENCHMARKs: VC:   9.118s VO:   0.004s A:   0.000s Sys:   0.414s = 9.536s
> >
> > Hardly anything you could call significant...
>
> but it looks a little faster from the values ...

Really?  How about my benchmarks, do those look faster?
BENCHMARKs: VC:   8.636s VO:   0.006s A:   0.000s Sys:   2.950s =   11.593s
BENCHMARKs: VC:   8.769s VO:   0.007s A:   0.000s Sys:   2.964s =   11.740s
BENCHMARKs: VC:   8.715s VO:   0.006s A:   0.000s Sys:   2.989s =   11.710s

BENCHMARKs: VC:   8.621s VO:   0.006s A:   0.000s Sys:   3.072s =   11.700s
BENCHMARKs: VC:   8.572s VO:   0.006s A:   0.000s Sys:   2.976s =   11.554s
BENCHMARKs: VC:   8.586s VO:   0.007s A:   0.000s Sys:   3.098s =   11.691s