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

[Martin J. Bligh]

--On Wednesday, August 04, 2004 22:10:19 +0200 Ingo Molnar <mingo@xxxxxxx> wrote:

> 
> * Martin J. Bligh <mbligh@xxxxxxxxxxx> 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.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/