Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!uunet!munnari.oz.au!uhccux!bigtuna!pegasus!richard
From: richard@pegasus.com (Richard Foulk)
Newsgroups: comp.unix.sysv386
Subject: Re: X performance improved more by?
Keywords: X, ESIX, 80387, memory
Message-ID: <1991Jan10.092402.20803@pegasus.com>
Date: 10 Jan 91 09:24:02 GMT
References: <9788@b11.ingr.com> <2840@sixhub.UUCP>
Organization: Pegasus,  Honolulu
Lines: 14

>  So I borrowed another 4MB of memory (to 12) and as you would suspect
>it didn't help. Not a bit. So I bought a Cyrix FPU for the system, and
>it did help. The same task now uses about 80% less CPU.
>
>  The Cyrix was cheaper, faster, and lower power than the Intel chip,
>so I didn't have any trouble making a decision. The faster is only
>marginally true for the latest Intel 387DX chips which use the improved
>microcode.

There have been a number of comparisons between the Cyrix and Intel
FPUs.   The Cyrix is apparently faster in the 25MHz version, and the
Intel wins in the 33MHz realm.

Sorry I don't have more details at hand just now.