Vax 11/780 performance vs Sun 4/280 performance

[Don Speck]

In article <15875 at brl-adm.ARPA>, weiser.pa at xerox.com writes:
> Perhaps the 50ms. sleeper test is a red herring, and that pathological state is
> not one that is ever seen under normal user loads.

When I started using 4.3 BSD /etc/dump with two tape drives on this
780, I was getting 250 context switches per second among 8 processes.

For another curious VAX/SUN comparison, notice how pipes on Sun-3's run
half as fast when the buffer address is odd.  No such penalty on vaxen.

Don Speck   speck at vlsi.caltech.edu  {amdahl,ames!elroy}!cit-vax!speck