Messages in this thread | | | Date | Wed, 04 Aug 2004 13:36:36 -0700 | From | "Martin J. Bligh" <> | Subject | Re: 2.6.8-rc2-mm2 performance improvements (scheduler?) |
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--On Wednesday, August 04, 2004 22:10:19 +0200 Ingo Molnar <mingo@elte.hu> wrote:
> > * Martin J. Bligh <mbligh@aracnet.com> wrote: > >> >> SDET 16 (see disclaimer) >> >> Throughput Std. Dev >> >> 2.6.7 100.0% 0.3% >> >> 2.6.8-rc2 99.5% 0.3% >> >> 2.6.8-rc2-mm2 118.5% 0.6% >> > >> > hum, interesting. Can Con's changes affect the inter-node and inter-cpu >> > balancing decisions, or is this all due to caching effects, reduced context >> > switching etc? > > Martin, could you try 2.6.8-rc2-mm2 with staircase-cpu-scheduler > unapplied a re-run at least part of your tests? > > there are a number of NUMA improvements queued up on -mm, and it would > be nice to know what effect these cause, and what effect the staircase > scheduler has.
Sure. I presume it's just the one patch:
staircase-cpu-scheduler-268-rc2-mm1.patch
which seemed to back out clean and is building now. Scream if that's not all of it ...
M.
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