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From: afg@cbnewsl.ATT.COM (andrew.goldberg)
Newsgroups: comp.sys.ibm.pc
Subject: Re: FasMath Math Coprocessor ?
Summary: performance of Cyrix replacement for 387 coprocessor
Message-ID: <3061@cbnewsl.ATT.COM>
Date: 29 Nov 89 14:44:05 GMT
References: <8911290805.AA05793@euler.Berkeley.EDU>
Organization: AT&T Bell Laboratories
Lines: 19

In article <8911290805.AA05793@euler.Berkeley.EDU>, ndeng@EULER.BERKELEY.EDU writes:
> 
> The latest issue of PC-Magazine (vol.8, no.21) reported a new 80387 compatible
> math-coprocessor, FasMath 83D87 from Cyrix Co. According to the company, this
> chip can be up to 10 TIMES FASTER than 80387, and is fully pin and SW compatible. I am extremely interested in this, but thought it's almost incredible. If this
> is proven, then 80387 and Weitek are all dead, and many accelerator boards 
> become obsolete. Does any number-crunching guru has hand-on experience about
> this chip? Could any of you share you experience/excitement with netters?
> 

	Well, hold on to your 387.  It's not dead yet.  Pc Week showed
the results of some testing (November 6, 1989, p. s/26) that showed that
the only significant improvements in the Cyrix chip are in the transcendental
functions.  And they only found about a factor of two, not ten.

	Andy Goldberg
	AT&T Bell Laboratories
	Parsippany, New Jersey
	afg@vilya.att.com