[FFmpeg-devel] [PATCH] h264 parallelized
Michael Niedermayer
michaelni
Sun Sep 2 15:09:45 CEST 2007
Hi
On Sun, Sep 02, 2007 at 09:50:01AM +0200, Andreas ?man wrote:
> Michael,
>
> Michael Niedermayer wrote:
> > Hi
> >
> >> ive tried another file (Aladin.mpg 995 frames 352x240, the other file
> >> was 538 frames 160x128)
> >> svn : 0m10.828s, 0m10.777s, 0m10.848s, 0m10.799s, 0m10.742s avg:10.799
> >> patch: 0m10.770s, 0m10.777s, 0m10.831s, 0m10.918s, 0m10.778s avg:10.815
> >>
> >> ill do more tests
> >
> > ive tried the first file concatenated 5 times:
> > 0m3.669s, 0m3.696s, 0m3.674s, 0m3.700s, 0m3.724s avg:3.693
> > 0m3.781s, 0m3.782s, 0m3.770s, 0m3.797s, 0m3.776s avg:3.781
> >
> > this should exclude any once run init code as a possible cause
> >
>
> I'm stumbling a bit around the problem here and not really able to
> reproduce the slowdown on any of my systems. It's actually mostly
> faster with the patch.
hmmmmmm
ive just retested it and i can confirm that its mostly faster
thats very strange
anyway under these circumstances, the patch is ok
though please add a comment to each new structure field explaining what
it is
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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