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    SubjectRe: [patch 00/10] [RFC] SLUB patches for more functionality, performance and maintenance
    On Mon, 9 Jul 2007, David Miller wrote:

    > As Andi seemed to imply I don't even think cmpxchg is faster than
    > interrupt enable/disable on current generation AMD x86_64 chips, so
    > are you targetting this optimization solely at Intel x86 Core Duo
    > 32-bit chips? That's the only one I can see which will benefit from
    > this. Are you going to probe the cpu sub-type and patch SLUB?

    Not sure. The numbers I have seen in the papers indicate a potential
    speedup by a factor of 10 on x86 hardware. I have not done any
    benchmarking myself yet.

    > Please reconsider this change, thanks.

    This is an RFC after all so nothing is fixed yet. Certainly I will keep
    this in mind.
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