[FFmpeg-devel] Proposed patch

Roman Shaposhnick rvs
Wed Aug 8 23:08:49 CEST 2007


On Wed, 2007-08-08 at 01:46 +0200, Michael Niedermayer wrote:
> > Now, the questions that I have are:
> > 
> >    * does this seem to be enough to justify the patch or do you 
> >      want me to run a specific kind of benchmarking?
> >    * has the ppc question been fully answered (again, I don't have PPC)?
> 
> yes

  The results from SPARC are:

  Current ffmpeg:

31076217 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
31085495 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
31111381 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
31112642 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
31123747 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
31127531 dezicycles in avcodec_decode_video, 32768 runs, 0 skips

  Patched ffmpeg:

29731135 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
29737907 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
29739710 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
29741505 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
29749924 dezicycles in avcodec_decode_video, 32768 runs, 0 skips
29771953 dezicycles in avcodec_decode_video, 32768 runs, 0 skips

  Ok to apply?

Thanks,
Roman.





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