Re: [RFC] Scheduler queue implementation ...

Pavel Machek (pavel@suse.cz)
Thu, 20 Dec 2001 20:36:30 +0100


Hi!

> > Alan, you're mixing switch mm costs with cache image reload ones.
> > Note that equal mm does not mean matching cache image, at all.
>
> They are often close to the same thing. Take a look at the constraints
> on virtually cached processors like the ARM where they _are_ the same thing.
>
> Equal mm for cpu sucking tasks often means equal cache image. On the

Really?

I'd guess that if cpu-bound software wants to use clone(CLONE_VM) to
gain some performance, it should better work "mostly" in different
memory areas on different cpus... But I could be wrong.

Pavel

-- 
"I do not steal MS software. It is not worth it."
                                -- Pavel Kankovsky
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