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SubjectRe: Industry db benchmark result on recent 2.6 kernels
Linus Torvalds wrote:
>
> On Tue, 29 Mar 2005, Chen, Kenneth W wrote:
>
>>Linus Torvalds wrote on Tuesday, March 29, 2005 4:00 PM
>>
>>>The fact that it seems to fluctuate pretty wildly makes me wonder
>>>how stable the numbers are.
>>
>>I can't resist myself from bragging. The high point in the fluctuation
>>might be because someone is working hard trying to make 2.6 kernel run
>>faster. Hint hint hint ..... ;-)
>
>
> Heh. How do you explain the low-point? If there's somebody out there
> working hard on making it run slower, I want to whack the guy ;)
>

If it is doing a lot of mapping/unmapping (or fork/exit), then that
might explain why 2.6.11 is worse.

Fortunately there are more patches to improve this on the way.

Kernel profiles would be useful if possible.


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