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SubjectRe: MMX performance....
In article <> (Alan Cox) writes:

> Is the Pentium memcpy patch in 2.1.x yet? If not, why not? Such a low
> level change should go into the development kernels as early as possible,
> surely...

It doesnt work with SMP last time I enquired. Otherwise yes, it would
be sensible to put it in as an option(it needs to be an option as some
boards even pentium ones are slower using it).

It will be slower on any Pentium with a 32-bit external memory bus
(some laptops are like that). For that matter, it's faster even on
some Pentium Pros.
Robert Krawitz <>

Member of the League for Programming Freedom -- mail
Tall Clubs International -- or 1-800-521-2512

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