[Ffmpeg-devel] [PATCH] Vorbis sse fix

[Måns Rullgård]

Rich Felker <dalias at aerifal.cx> writes:

> On Sun, May 29, 2005 at 11:51:20PM +0200, Diego Biurrun wrote:
>> On Sun, May 29, 2005 at 09:34:11PM +0200, Balatoni Denes wrote:
>> > 
>> > This patch fixes xmmintrin.h support detection for me (gcc 3.3.6 (Debian 
>> > 1:3.3.6-5)), and adjusts the vorbis decoder so that buffers are adequately 
>> > aligned. The decoder - by my estimation - is roughly 10 % faster then the 
>> > reference implementation on my p4.
>> 
>> Are you referring to libvorbis?  I assume yes.
>> 
>> Has anybody else benchmarked ffvorbis?
>
> I dunno, about tremor is roughly 50% faster than libvorbis, at least

Last time I tried tremor, it was slower than libvorbis on my Alpha
machine.

> with the low-precision mode enabled.

Are you speaking for low-precision modes?  You're normally the one to
complain the loudest about bad scaling algorithms and such.

-- 
M?ns Rullg?rd
mru at inprovide.com