could be slower (or less) core, slower disks, etc.. 
the DS5k/133 has a very slow scsi bus, too.. 
I might try it on a 5k260 I have more or less idle.. just to see
how the (slightly) better memory gear on the 5k2x0s handles it.

though for true torture, try building -current on a microvax II :-) 

isildur

On Sun, 21 Aug 2005, Timo Schoeler wrote:

> > I have an old DECStation 5000/133 that where I rebuild netbsd-current
> > from time to time.
> > 
> > Just for fun I did a full rebuild (without X11) and observed that it
> > took more than a week:
> > 
> > time sh build.sh -E
> > 
> >    717258.27 real    449456.93 user    247891.29 sys
> > 
> > Also seen from the log:
> > 
> >          build.sh started: Fri Aug 12 12:01:56 CEST 2005
> >          build.sh ended:   Sat Aug 20 19:16:05 CEST 2005
> > 
> > 
> > I wonder how long time a full NetBSD build takes on the slowest hardware
> > able to do the build itself :-)
> > 
> > 
> > 
> > - Erik
> 
> hm,
> 
> that's interesting numbers; the slowest machine i run NetBSD on is an
> Amiga 1200 with 68040/40 and 128MByte RAM -- it does a full build (with
> X11 IIRC) in 2 1/2 days. makes me wonder why the 040 is that faster than
> the R3000... Spec92 were approx. 25/24 (int|fp) for the R3000/33, and
> 19.7/16.5 for an 68040/40.
> 
> timo
>