Re: [Q] Default SLAB allocator

[Andi Kleen]

David Rientjes <rientjes@xxxxxxxxxx> writes:

> On Thu, 11 Oct 2012, Andi Kleen wrote:
>
>> > While I've always thought SLUB was the default and recommended allocator,
>> > I'm surprise to find that it's not always the case:
>> 
>> iirc the main performance reasons for slab over slub have mostly
>> disappeared, so in theory slab could be finally deprecated now.
>> 
>
> SLUB is a non-starter for us and incurs a >10% performance degradation in 
> netperf TCP_RR.

When did you last test? Our regressions had disappeared a few kernels
ago.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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