Messages in this thread | | | Date | Tue, 13 Apr 1999 20:47:58 +0200 (CEST) | From | Rik van Riel <> | Subject | Re: [PATCH] small scheduling optimization |
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On Tue, 13 Apr 1999, Ingo Molnar wrote: > On Tue, 13 Apr 1999, Rik van Riel wrote: > > > A nice +19 process only has a timeslice of 10 (20 if it's > > alone) milliseconds. That will give 50 reschedules and a > > (right.) > > > lot of cache corruption per second... > > what cache-corruption do you mean?
Well, if the schedule() function and the whole code path associated with it can be avoided, that will avoid a little bit of overhead on a memory bandwidth poor machine. Besides, isn't it a Good Thing(tm) to avoid the last bit of overhead when possible? :)
Rik -- Open Source: you deserve to be in control of your data. +-------------------------------------------------------------------+ | Le Reseau netwerksystemen BV: http://www.reseau.nl/ | | Linux Memory Management site: http://humbolt.geo.uu.nl/Linux-MM/ | | Nederlandse Linux documentatie: http://www.nl.linux.org/ | +-------------------------------------------------------------------+
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