Re: Pentium __delay weirdness... the final results (longish)

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Tue, 16 Sep 1997 08:00:51 +0200 (MET DST)


Harald Koenig quoted:
> > ---------------------------Normal loop----------------------------------
> >
> > 2: decl %eax
> > jns 2b
> >
> > offset of label 2:
> > 0-9 6*loop_count + overhead
> > 10-4092 5*loop_count + overhead
> > 4093-4095 2*loop_count + overhead
>

You know what? If "under rare circumstances" a processor becomes
FASTER than the normal case, I'd suspect that a processor stall is
forgotten. This would indicate that under those circumstances you can
cause the processor to behave erratically under those circumstances.

Roger.

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