From: Ward Donald Griffiths III <>
Date: Wed Jan 7 23:10:16 1998

Tony Duell wrote:
> >
> > I've gotten back to looking into getting the my VAXstation up and running.
> > This has gotten me to thinking, how many MIPS is a VUP?
> What's a MIPS, or more particularly, what's an 'Instruction'.
> AFAIK, the VUP was defined by the VAX 11/780 being exactly 1 VUP. Now,
> the 11/780 executed about 0.5 million (VAX) instructions per second, but
> I've heard it said that because the VAX instruction set was so CISC, a
> VAX instruction was worth 2 of anybody elses ;-), so 1 VUP ~= 1 MIPS.

With the current battle between RISC and CISC, MIPS now really is
"Meaningless Information Provided by Salesman". Technically, by the
current philosophy, an 8080 is a CISC processor. Go figure.
Ward Griffiths
Dylan:  How many years must some people exist, 
			before they're allowed to be free?
WDG3rd:  If they "must" exist until they're "allowed",
			they'll never be free.
Received on Wed Jan 07 1998 - 23:10:16 GMT

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