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SubjectRe: [patch] new scheduler
On Mon, 10 May 1999, Greg Lindahl wrote:

> > > Its the priority recalculation in the scheduler thats the
> > > bottleneck as soon as we hit 200 simultaneous processes. A MAJOR
> > >bottleneck. [...]
> >
> > have you actually tried this? While i'm writing this email i'm also
> > running 250 simultaneous CPU-hogs on 2.2.8-pre5:
>
> The first statement was a bit in excess of the facts. The problem
> arises when the 250 processes are rescheduling themselves
> frequently.

That's not even needed. With 250 sleeping process and _one_
running process at nice +19, your Linux system will recalculate
the priority for all 250 processes 50 times a second.

This is a problem which I'd like to do something about.

Rik -- Open Source: you deserve to be in control of your data.
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