Re: Major regression on hackbench with SLUB (more numbers)

From: Steven Rostedt
Date: Fri Dec 21 2007 - 17:55:15 EST



On Fri, 21 Dec 2007, Christoph Lameter wrote:

> Actually thanks for pointing that out Pekka.... Here is a patch that takes
> the regression almost completely away (Too much jetlag combined with flu
> seems to have impaired my thinking I should have seen this earlier). I
> still need to run my slab performance tests on this. But hackbench
> improves.
>
>
> SLUB: Improve hackbench speed
>
> Increase the mininum number of partial slabs to keep around and put
> partial slabs to the end of the partial queue so that they can add
> more objects.
>
> Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
>

FYI, I'm currently on holiday till Jan 2cd, and I also lost access to the
machine I did the orignal benchmarks on. But I'll try to reserve it again
after the New Year, and I will run the benchmarks including this patch and
report my findings.

Thanks,

-- Steve

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