[Ffmpeg-devel] Re: fastmemcpy in ffmpeg

[Zuxy Meng]

2006/9/28, M?ns Rullg?rd <mru at inprovide.com>:
> Mike Melanson <mike at multimedia.cx> writes:
>
> > Aren't you the one who likes to claim that it's absolutely
> > inconceivable that hardware float ops could ever be as fast or faster
> > than hardware int ops, despite copious empirical evidence to the
> > contrary?
>
> Not on a K6-2.

K6-2's x87 engine is crap (0.5 result per cycle at the best), but the
3DNow! is much better (4 results per cycle at the best). Actually,
even using 3DNow! as scalar is faster than using x87.

-- 
Zuxy
Beauty is truth,
While truth is beauty.
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