On Thu, 22 Apr 1999, Karsten Johansson wrote:
>
> "Yates, Larry" wrote:
> >
> > Maybe bogomips are BOGUS!
>
> Heheh, you know when Linux boots, and it primes the random number generator?
> Maybe *that's* a bogomip, too. :)
>
> I'm gonna do a bit of research to see what is actually counted in a bogomip.
> There seem to be extreme variations from one machine to another.
It's quite simple, really. Calculating MIPS, millions of instructions per
second, is a way of determining CPU speed. It isn't a very good one --
not for comparing processors anyway -- and the way that the kernel
determines it isn't very good either. Hence, it is a measurement of
"Bogo"-MIPS. There are extreme variations, but the algorithm isn't
changing. Therefore, a Pentium 100 which runs at 2 BogoMIPS is bad.
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