Re: kernel performance update - 2.6.14

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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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