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SubjectRe: Performance of -mm2 and -mm4
Date
Nick Piggin writes:

>
>
> Jesse Barnes wrote:
>
>>On Monday, August 23, 2004 9:58 am, Martin J. Bligh wrote:
>>
>>>The -mm4 looks more like sched stuff to me (copy_to/from_user, etc),
>>>but the -mm2 stuff looks like something else. Buggered if I know what.
>>>-mm3 didn't compile cleanly, so I didn't bother, but I prob can if you
>>>like.
>>>
>>
>>If you suspect the scheduler, you could try bumping SD_NODES_PER_DOMAIN in
>>kernel/sched.c to a larger value (e.g. the number of nodes in your system).
>>That'll make the scheduler balance more aggressively across the whole system.
>>
>>
>
> Try increasing /proc/sys/kernel/base_timeslice as well.

Or back out nicksched.patch
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