Re: 2.6.8-rc2-mm2 performance improvements (scheduler?)

[Martin J. Bligh]

--On Wednesday, August 04, 2004 23:31:13 +0200 Ingo Molnar <mingo@xxxxxxx> wrote:

> 
> * Martin J. Bligh <mbligh@xxxxxxxxxxx> wrote:
> 
>> > 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 ...
> 
> correct, that's the end of the scheduler patch-queue and it works fine
> if unapplied. (The schedstats patch i just sent applies cleanly to that
> base, in case you need one.)

OK, the perf of 2.6.8-rc2-mm2 with the new sched code backed out is exactly
the same as 2.6.8-rc2 ... ie it's definitely the new sched code that makes
the improvement.

M.

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