Messages in this thread | | | Date | Wed, 26 Sep 2001 22:20:21 +0200 | From | Vojtech Pavlik <> | Subject | Re: Locking comment on shrink_caches() |
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On Wed, Sep 26, 2001 at 06:40:15PM +0100, Alan Cox wrote:
> > PIII: > > nothing: 32 cycles > > locked add: 50 cycles > > cpuid: 170 cycles > > > > P4: > > nothing: 80 cycles > > locked add: 184 cycles > > cpuid: 652 cycles > > > Original core Athlon (step 2 and earlier) > > nothing: 11 cycles > locked add: 22 cycles > cpuid: 67 cycles > > generic Athlon is > > nothing: 11 cycles > locked add: 11 cycles > cpuid: 64 cycles
Interestingly enough, my TBird 1.1G insist on cpuid being somewhat slower:
nothing: 11 cycles locked add: 11 cycles cpuid: 87 cycles
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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