[FFmpeg-devel] MPEG-2 Acceleration Refactor

Måns Rullgård mans
Mon Jun 18 01:39:30 CEST 2007

Greg Hulands <ghulands at mac.com> writes:

> Hi,
> On 17/06/2007, at 4:13 AM, Michael Niedermayer wrote:
>> Hi
>>> [...]
>>> I think nothing has changed. The functions alone are faster, the
>>> decoding as whole is slower ;) It's just one of the miracles of
>>> benchmarking.
>> the svn code vs. the patched code shows that the patched code is  
>> slower
>> the svn code + *TIMER vs. the patched code +TIMER shows that svn is
>> slower in _both_ the TIMER and -benchmark scores
> I think I have everything covered now in the patch. I'm pretty sure  
> I've got all the cosmetic changes out of there (thank you pico!) now.  


> I don't understand why when I first benchmarked it, the patch was  
> showing it was slightly slower, but now it is slightly faster. I have  
> no idea why this would be the case. I would urge others to try the  
> patch and see if you get the same results.
> Hopefully this is the patch for the final time :-)

Wow!  You've reduced the patch to nothing, and it still gives a
speedup.  That's impressive work.  I can't wait to test it.

M?ns Rullg?rd
mans at mansr.com

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