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Re: workstation speed
Date: Thu, 6 Aug 87 12:19:22 CDT
From: firstname.lastname@example.org (Kenneth Forbus)
That's about right, I think. On one of my qualitative simulators
(about 4K lines of code, with run times ranging from minutes to hours
depending on the example), I found a 16MB Explorer-II with their 512MB
disk about 2.8 times faster than a 3670 w/16MB & 474MB Eagle, running
Gee, isn't it nice that you're comparing their latest stuff with
our ancient history. 7.1 has a lot of speedups. (But thanks for
the other nice things you said).
Unlike the first explorer, which broke when I poked around in
its innards during AAAI-84, this one responded well to user abuse
(from the keyboard, that is).
The user-interface felt much, much snappier than my Symbolics machine
as well. I'm now dreading Rel 7 conversion, given that windowing will
be even slower...I admit to being somewhat depressed by the path Symbolics
was taking. Rel 7 feels like a cadillac. What I want is a formula jeep
(i.e., extremely fast, but able to take hard jolts and knocks).
The Rel 7 user-interface tools will take you places that will make your
shiny new "Explorer" II look like a strictly paved-street machine. We
give you mud tires and a powerful user-interface engine. There's lots
of leverage in the gearbox to get your applications up the hill quickly,
without getting bogged down in the swamps of writing mouse-sensitivity
code, layouts, etc.
And don't forget, it comes with an 8-times larger cargo area.
The Release 7 window system is only slower if you have it doing a LOT
more for you. Like history, and powerful mouse-sensitivity. Whenever I
go back to 6.1 (as rarely as possible), it feels incredibly klunky and
awkward to use. But reactionaries and speed addicts can still use
old-style lisp listeners, with their amnesiac output and their autistic
I think you'll find the 7.1 features to be well worth any minor slowdowns.
I find it a lot faster to actually USE, and tens of times faster to write