[Ffmpeg-devel] mmx/sse optimizations

Martin Boehme boehme
Thu Dec 22 14:38:44 CET 2005


Marcus Engene wrote:
> Martin Boehme wrote:
>> Michel Bardiaux wrote:
>>> If you havent tried it, why call it crap? I havent tried it either, 
>>> but I have found the doc on MMX and SSE available on this site quite 
>>> valuable. (Once you have an idea of the name for some of the ops you 
>>> need for a particular purpose, web searches often direct you straight 
>>> to a page with useable code!)
>>
>>
>> Well, modulo Rich's inimitable style ;-)
> 
> I'd say being "inimitable" is a good thing in this case.

Sure, I didn't mean to imply anything else... ;-)

> Yes, I tried it a bit now. Going thru the tutorial gave me a good idea 
> of what mmx is all about. It's seems like a no-brainer to teach my 
> little pet watermark to do some mmx tricks.
> 
> I'd recommend it to anyone interrested in trying out mmx/sse. The demo 
> version is after all free.
> 
> The documentation is a bit thin, but as Michel wrote, it's easy to 
> google the mnemonics after having a starting point.

So you did find it helpful? What does it do, exactly, compared to coding 
MMX/SSE by hand?

Martin

-- 
Martin B?hme
Inst. f. Neuro- and Bioinformatics
Ratzeburger Allee 160, D-23538 Luebeck
Phone: +49 451 500 5814
Fax:   +49 451 500 5502
boehme at inb.uni-luebeck.de





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