Why isn't Apple releasing patches for the Month of Apple

Tony Duell ard at p850ug1.demon.co.uk
Tue Feb 13 13:19:22 CST 2007


> 
> Tony Duell wrote:
> >> The "bad" news is that a VAX-11/780 has a 500KHz clock (I had to  
> >> check I didn't write 500MHz there :-)
> >>     
> >
> > Are you dure? While I can well believe it averages 500,000 VAX 
> > insturctions per second, the machine was very heavily microcoded, and I 
> > refuse to believe the microcycle clock is anything like as slow as that. 
> >   
> I thought it was always considered a 1 MIPS machine.
> During its time, it was the base for most of the benchmark
> programs. (MIPS, MUPS, and all that)

It was. Well, but definition it's one VUP.

However, 'What is an instruction?'. I've heard it said that the 11/780 
averaged 500,000 of its machine instructions per second, but that that 
was about as much processing as 10^6 of other machine's instructions :-)

-tony



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