Vup is equivalent to approx .9 of the mythological MIP (where the KL10
was 1.0 MIP in 1980).  If you want to compare compile times on a 4000/90
versus a uVII, the 90 is faster than lightening!!


Magnus Gr|nlund wrote:
> 
> >
> > I have a 4000/60
> >
> > I found on the netbsd web pages a page about performances of VAXen
> >
> > there is written speed factor 12 and compared to the 4000/90 which is 32
> >
> > is it possible that 4000/90 is really twice faster than 4000/60 ??
> > anyway how to  compare this (unknown scale) speed factor to something
> > resembling SPECint95 ???
> >
> The speed factor is VUPS (Vax Unit of Performance) which is almost
> like MIPS.
> For such low mips values you can compare it to SPECint95 by dividing
> it with 50. (It all ends up as rounding errors anyway. :-)
> 
> So for the 4000/60 thats about 0.2-0.3 SPECint95 and for the 4000/90
> about 0.6-0.7 SPECint95.
> 
> /Magnus