[MPlayer-dev-eng] Re: PATCH [0/12] CoreAVCDecoder support

Michael Niedermayer michaelni at gmx.at
Fri Feb 16 22:47:04 CET 2007


On Wed, Feb 14, 2007 at 03:49:36PM +0000, Alan Nisota wrote:
> Michael Niedermayer <michaelni <at> gmx.at> writes:
> > > Here are some benchmarks on Linux using a 2.8GHz P4 w/ HT enabled (adds a 
> few 
> > > fps with the dual-cpu patch).  I don't have a dual-cpu system to benchmark 
> > > against, but others have confirmed that a dual-cpu system just about 
> doubles 
> > > performance with this codec.  I also have a 1.8 GHz Pentium-M which tested 
> > > anywhere from the same to 20% slower on Windows compared to the P4.
> > > Using CoreAVC 1.2.0
> > 
> > yes but what about ffh264 on Pentium M ? knowing CoreAVC is slower is one 
> thing
> > but it would be more interresting to also know how fast/slow ffh264 is on 
> > Pentium M
> Why?  either you didn't understand the benchmarks I posted, or you are asking 
> an uninteresting question to me.  The benchmarks compare ffh264 to coreAVC 
> (since I'm advocating CoreAVC) on my linux system.  I mentioned in passing that 
> the Pentium M at 1.8GHz was slower in some cases and the same in others, which 
> is just an FYI.  CoreAVC has similar performance gains on the Pentium M in 
> Windows as it does on the P4 in Linux, and you'll just have to take my word on 
> that.  If you want ffh264 benchmarks comparing the Pentium M and 
> P4...well...I'm not going to do them.  They aren't very useful (too many 
> variables)...Benchmarking mplayer on different machines is something anyone can 
> do.

i wanted benchmarks between ffh264 and coreavc on a non P4 based system, noone
posted that yet, all benchmarks where from P4 systems
note this is just curiocity on my side and interrest in improving ffmpeg and
is not related to these patches in any way ... 


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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