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SubjectRe: [BENCHMARK] 2.5.43-mm2 with contest
Date
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On Thursday 17 Oct 2002 6:01 pm, Andrew Morton wrote:
> Con Kolivas wrote:
> > Here are the updated benchmarks with contest v0.51
> > (http://contest.kolivas.net) showing the change from -mm1 to -mm2. Other
> > results removed for clarity.
> >
> > noload:
> > Kernel [runs] Time CPU% Loads LCPU% Ratio
> > 2.4.18 [3] 71.8 93 0 0 1.01
> > 2.5.43 [2] 74.6 92 0 0 1.04
> > 2.5.43-mm1 [4] 74.9 93 0 0 1.05
> > 2.5.43-mm2 [2] 73.4 93 0 0 1.03
>
> Would be interesting to run
>
> blockdev --setra 1024 /dev/hdXX
>
> here. We're getting more idle time with 2.5 and that can only
> be due to disk wait - the IO scheduler changes. This might make a
> small difference.

Well that isn't it (b is with ra 1024):

2.5.43-mm2 [2] 73.4 93 0 0 1.03
2.5.43-mm2b [3] 76.4 94 0 0 1.07

>
> > ...
> > Removal of per-cpu pages patch does not seem to have been detrimental to
> > contest benchmarks at least - perhaps this is responsible for the noload
> > being better now?
>
> Well that code is still there. I'd expect a very small benefit from it
> in this testing.

Sorry. Misunderstood your announce message.
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