Messages in this thread | | | Date | Sun, 9 Jan 2000 19:28:27 +0100 (CET) | From | Andrea Arcangeli <> | Subject | Re: sched fixes 2.3.36 |
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On Sun, 9 Jan 2000, Alan Cox wrote:
>> Anyway the 2.3.36 SMP scheduler here seems to trashes caches too much so >> I'll probably check all the scheduler heuristics before doing any bench. >> At least it's not obviously buggy as the 2.2.x one ;). > >I'm just about to send Linus on the IBM patch for the goodness() cache >behaviour. It cuts goodness() down to referencing one cache line per task
Whith "caches" I was not talking about the kernel but about userspace. About the task_struct reordering to take the goodness checked fields in the same cachelines it's an obviously right idea (and also an obviously right patch) of course :). I have not checked the implementation carefully yet.
Andrea
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