[FFmpeg-devel] [PATCH 6/6] vp3: Frame-based multithreading support

Michael Niedermayer michaelni
Tue Dec 28 04:17:47 CET 2010


On Mon, Nov 15, 2010 at 08:37:06AM -0500, Alexander Strange wrote:
> Decode times for big_buck_bunny_720p_stereo:
> 
> 1 thread:
> real	1m14.227s
> user	1m13.104s
> sys	0m1.108s
> 
> 2 threads: (33% faster)
> real	0m49.329s
> user	1m33.735s
> sys	0m1.834s
> 
> 3 threads: (44% faster)
> real	0m41.593s
> user	1m44.884s
> sys	0m1.967s
> ---
>  libavcodec/vp3.c |  154 ++++++++++++++++++++++++++++++++++++++++++++++--------
>  1 files changed, 131 insertions(+), 23 deletions(-)

Patch left to maintainer, or you if the maintainer doesnt review
Ive taken a quick look and things look good enough for me

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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