[Ffmpeg-devel] mmx/sse optimizations

[Martin Boehme]

Marcus Engene wrote:
> Martin Boehme wrote:
>>> 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?
> 
> It gave me an quick introduction to what it's all about by going through 
> the tutorial and the manual. A teacher of a friend once said "you can 
> only learn things you already know" which I later have come to realize 
> how true that was. I have a grasp of it now so I know [a bit more] what 
> to look for in the Intel docs and what it can do. Ie the same reason 
> people buy O'Reilly books, to get a grasp, and then it's easier to read 
> the RFCs.

OK, that makes sense... In that case, they're probably not going to make 
a lot of money off that product, though...

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