Re: Low memory machines
Thomas Pornin (bip@nostromo.ens.fr)
Thu, 9 Jul 1998 02:02:50 +0200
In article <Pine.LNX.3.96.980708184902.17875A-100000@mindmeld.dyn.ml.org> you write:
> Someone I know had a 486 DX/100 with 16MB RAM... on an ethernet. Then he
> replaced the motherboard with a P66... same RAM.
> The BogoMIPS rating went down quite a bit, yet, the Pentium compiled a heck
> of a lot faster. I am thinking it's b/c of advances in overall data
> throughput... and not as much the instruction execution speed...
BogoMIPS are bogus. They do not mean anything.
Actually, on non-MMX pentiums, the BogoMIPS rating is always rather low,
because the highly optimized loop triggers a bug in the pentium branch
prediction. So a p66 is faster than any 486, and yet its BogoMIPS rating
is lower.
--Thomas Pornin
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