Tuning DECsystem 5820 + Ultrix 4.0???

[Greg Pavlov]

In article <1990Sep26.095834.3744 at ircam.ircam.fr>, mf at ircam.ircam.fr (Michel Fingerhut) writes:
> Dear world,
> 
> We upgraded [a DEC 5820 ] a couple of days ago from 3.1 to 4.0.  Although 
> the process > itself was trivial ..., the machine appears to be twice
> as slow, although it should be somewhat faster, since 4.0 should make
> use of both CPUs ....

  There have been several articles in the computer press here about problems
  with the 58{234}0 under ULTRIX 4.0 .  E.g., multiprocessor support aint  
  what it is supposed to be.  I would push DEC for a refund on the extra cpu
  (maybe the whole machine...)

  greg pavlov, fstrf, amherst, ny
  pavlov at stewart.fstrf.org