Re: kernel performance update - 2.6.14

["Jeff V. Merkey" <jmerkey@utah-nac.org>]

Verified.  These numbers reflect my measurements as well.    I have not 
moved off 2.6.9 to newer kernels on shipping products due to these 
issues.   There are also serious stability issues as well, though 2.6.14 
seems a little better than than previous kernels.  

Jeff



Jeff Garzik wrote:

> Chen, Kenneth W wrote:
>
> > Kernel performance data for 2.6.14 (released yesterday) is updated at:
> > http://kernel-perf.sourceforge.net
> >
> > As expected, results are within run variation compares to 2.6.14-rc5.
> > No significant deviation found compare to 2.6.14-rc5
>
> Do I read this correctly:  according to your benchmarks, fileio-noop 
> and fileio-cfq are down some 20% or more, across all machine 
> configurations, since 2.6.9? In the 4P configuration, dbench-{noop,as} 
> both seem to have regressed as well.
>     Jeff
>
>
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