Messages in this thread | | | Date | Wed, 12 Jul 2000 23:06:49 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: Report: Big Improvement in -test3 |
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On Thu, 13 Jul 2000, Richard Gooch wrote: > > Er, so how many ticks do a nice 10 and a nice 11 process get, > respectively?
Same number of ticks. The nice 10 one gets scheduled more eagerly, though (ie the "nice" level does more than just determine the number of ticks: it is also used to determine relative priorities if two processes have the same number of ticks to run).
In 2.5.x we'll probably make the timer run at a higher rate, making this issue go away, but for 2.4.x this was the expedient way to maintain UNIX semantics and get good interactive behaviour.
Linus
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