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Article #20747

to graphics processor or not to graphics processor

#20747
From: John R. Galloway
Date: Fri, 14 Apr 1989 03:38
13 lines
1176 bytes
There has been considerable discussion already on the pros & cons of the
approach used by Digital on the DECStation 3100 of using the cpu for all
graphics tasks (basically the idea is that the cpu is so fast that graphics
operations are limited by memory bandwidth, so graphics engines will not
improve graphics performance, apologies to DEC if I am oversimplifing)).
  Now I see there is another example.  The Data General Maverick 88000 based
workstation uses an NEC 72120 (whatever that is) for mono and a custom
gate array (whatever_that_is**2) for color.  Any DG engineers out there who
would like to discuss why they chose to do so?  

apple!jrg	John R. Galloway, Jr.       contract programmer, San Jose, Ca

These are my views, NOT Apple's, I am a GUEST here, not an employee!!
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!apple!jrg
From: jrg@Apple.COM (John R. Galloway)
Newsgroups: comp.arch
Subject: to graphics processor or not to graphics processor
Keywords: graphics processor
Message-ID: <28930@apple.Apple.COM>
Date: 14 Apr 89 03:38:19 GMT
Distribution: usa
Organization: Galloway Research
Lines: 14