Re: volanoMark 12% regression with 2.6.25-rc6

[Peter Zijlstra]

On Tue, 2008-03-18 at 20:58 +0100, Ingo Molnar wrote:
> * Zhang, Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx> wrote:
> 
> > Comparing with 2.6.25-rc5, volanoMark has 12% regression with 
> > 2.6.25-rc6 on my 8-core stoakley.
> 
> could you try sched/latest please? You can pick it up via:
> 
>   http://people.redhat.com/mingo/sched-devel.git/README

Yanmin, how do you use volanomark; I got it from:

  http://www.volano.com/benchmarks.html

and am using java-1.6.0-openjdk.x86_64
I installed it /dev/shm/vmark to avoid disk io ruining anying

But I'm getting very fluctuating results, from ~43000 msgs/s to 52000
msgs/s.

This makes it very hard to 'trust' this benchmark, let alone determine a
regression.

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