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    SubjectRe: Locking comment on shrink_caches()
    On Wed, 26 Sep 2001, Alan Cox wrote:

    > VIA Cyrix CIII (original generation 0.18u)
    > nothing: 28 cycles
    > locked add: 29 cycles
    > cpuid: 72 cycles

    Interesting. From a newer C3..

    nothing: 30 cycles
    locked add: 31 cycles
    cpuid: 79 cycles

    Only slightly worse, but I'd not expected this.
    This was from a 866MHz part too, whereas you have a 533 iirc ?



    | Dave Jones.
    | SuSE Labs

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