> > 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/