[MPlayer-dev-eng] [RFC] disable fastmemcpy on x86-64 by default

Guillaume POIRIER poirierg at gmail.com
Sun May 27 19:39:20 CEST 2007


Hi,

On 5/27/07, Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> wrote:
> Hello,
> since SSE is part of the x86-64 architecture, at least glibc makes use
> of it for its memcpy and some quick (and imprecise) tests indicate that
> it's at least not slower.
> So what do you think about attached patch? Can someone do more concise
> benchmarks?

What would be a good benchmark? A very HD video sample like Apple's?

What hardware would exhibit more how fastmemcpy affects speed?
I have an AMD64 2.4Ghz /s754 with a Geforce 6200LE AGP, if it matters.

Guillaume
-- 
Y'a pas de gonzesse hooligan,
Imbécile et meurtrière
Y'en a pas même en grande Bretagne
A part bien sûr Madame Thatcher
  -- Renaud (sur "Miss Maggie")


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