[FFmpeg-cvslog] r23095 - in trunk/libavcodec: Makefile allcodecs.c mpegaudio.h mpegaudio_tablegen.h mpegaudiodec.c mpegaudiodec_float.c

Reimar Döffinger Reimar.Doeffinger
Sat May 15 12:52:23 CEST 2010


On Fri, May 14, 2010 at 08:58:16PM +0100, M?ns Rullg?rd wrote:
> Carl Eugen Hoyos <cehoyos at ag.or.at> writes:
> 
> > M?ns Rullg?rd <mans <at> mansr.com> writes:
> >
> >> The float version is 4x slower on Cortex-A8 not counting post-conversion.
> >> Float and int are about the same speed on Intel i7.
> >
> > mplayer (31175) 100mbDVB.ts -demuxer lavf -novideo -benchmark -ao pcm -ac
> > mp3/ffmp2float/ffmp2
> >
> > P3: Pentium III (Katmai) 500MHz SSE
> > XP: Athlon XP 2600+ Thoroughbred SSE, 3DNow!
> > HP: Intel(R) Pentium(R) M processor 1.86GHz (GenuineIntel 6 13 8) SSE2
> > TP: Intel(R) Pentium(R) M processor 1500MHz (GenuineIntel 6 9 5) SSE2
> >
> > P3: 2.9 / 3.9 / 4.8
> > XP: 0.8 / 1.1 / 1.3
> > HP: 0.5 / 0.6 / 0.9
> > TP: 0.7 / 0.9 / 1.3
> 
> What do those numbers mean?

Decode time (in seconds I guess).



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