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Article #41823

Generic CADD & Math Coprocessor (Re: recommendations wanted)

#41823
From: Rick Schaut
Date: Wed, 07 Feb 1990 04:09
20 lines
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In article <25c86533:4479.2comp.sys.ibm.pc;1@vpnet.UUCP> akcs.amparsonjr@vpnet.UUCP (Anthony M. Parson, Jr.) writes:
| Never got to try an 80286 with generic cadd, but I
| will say an 80386 (25 mhz) without a coprocessor, is STILL faster by far
| than the 8088/8087 combination.  Moral: get a fast 80286 or 80386, and
| possibly save the cost of buying a math coprocessor.  Of course, it depends
| how complicate your ddrawings are, how large, if you use letters / fonts
| to record dimensions, how many layers, etc.

My father runs Generic CADD on a 12.5 Mhz 286 w/ 287.  A year ago, this
configuration was cheaper than a 16 Mhz 386 w/o 387 and ran Generic CADD
faster, so that was the deciding factor.  A 25 Mhz 386 would probably edge
the 286 w/ 287, but it's probably not worth the added expense.  It's
incredible how much that math coprocessor speeds things up.  I run math
intensive stuff on machines without it and feel like the CPU is full of
sludge.

--
Rick (schaut@garfield.cs.wisc.edu)

Peace and Prejudice Don't Mix! (unknown add copy)
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!rutgers!uwvax!daffy!cat9.cs.wisc.edu!schaut
From: schaut@cat9.cs.wisc.edu (Rick Schaut)
Newsgroups: comp.sys.ibm.pc
Subject: Generic CADD & Math Coprocessor (Re: recommendations wanted)
Summary: 286 + 287 is faster than 386
Keywords: pc, 286 386
Message-ID: <4254@daffy.cs.wisc.edu>
Date: 7 Feb 90 04:09:42 GMT
References: <183@b8.INGR.COM> <4426@pegasus.ATT.COM> <25c86533:4479.2comp.sys.ibm.pc;1@vpnet.UUCP>
Sender: news@daffy.cs.wisc.edu
Organization: U of Wisconsin CS Dept
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