Have a nice day!
/me
On Sat, 21 Apr 2001, Alan Cox wrote:
> > I have a Intel Pentium MMX machine and it acts as a mailserver, webserver,
> > ftp and I use X on it. I would like to know if the MMX instructions are
> > used by the kernel in this operations or not (networking, X etc.).
>
> In almost all cases - no. The MMX instructions are mostly not useful. A few
> graphics operations benefit from them such as mpeg players but that is about
> it.
>
> On the AMD and Cyrix machines 3Dnow is used extensively by Mesa (3D) and by
> many of the mp3 players. The winchip and athlon kernels also use mmx for
> block copies but this isnt a win in the pentium case.
>
> -
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