Messages in this thread | | | Date | Tue, 24 Aug 2004 10:41:17 +1000 | From | Nick Piggin <> | Subject | Re: Performance of -mm2 and -mm4 |
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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.
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