Hi David,
On Tue, May 25, 2010 at 1:02 PM, David Rientjes <rientjes@xxxxxxxxxx> wrote:
>> I wouldn't say it's a nightmare, but yes, it could be better. From my
>> point of view SLUB is the base of whatever the future will be because
>> the code is much cleaner and simpler than SLAB.
>
> The code may be much cleaner and simpler than slab, but nobody (to date)
> has addressed the significant netperf TCP_RR regression that slub has, for
> example. I worked on a patchset to do that for a while but it wasn't
> popular because it added some increments to the fastpath for tracking
> data.
Yes and IIRC I asked you to resend the series because while I care a
lot about performance regressions, I simply don't have the time or the
hardware to reproduce and fix the weird cases you're seeing.
Pekka
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