🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.sys.intel
Article #490

Re: Help - Cyrix processors, anyone know for sure?

#490
From: william E Davidsen
Date: Wed, 19 Aug 1992 13:25
20 lines
1632 bytes
In article <16rb6gINNt38@iraul1.ira.uka.de>, S_JUFFA@iravcl.ira.uka.de (|S| Norbert Juffa) writes:

| The cache is definitely the main source of the 486DLC's performance
| gain over the 80386. This can be easily deduced from the performance
| of Intel's RapidCAD chip which is basically a 486 without the cache
| and with a 386 pin out. While the RapidCAD offers roughly twice the
| floating point performance of the Intel 387DX, my benchmarks showed
| it to be at most 25% faster than the 80386. Typical performance gain
| for integer applications is more like 15% though. This definitely

  Whoa! Is this chip OEM only or available to real people. I have a app
running on old (1986) 386-16s with 287 math chips. If the rapidCAD chip
is a drop in I could probably get an order of magnitude boost in the FP
performance.

  Motherboard upgrade is not available for this application.

-- 
bill davidsen, GE Corp. R&D Center; Box 8; Schenectady NY 12345
    I admit that when I was in school I wrote COBOL. But I didn't compile.
Technical Details
Message-ID: <1992Aug19.132542.2667@crd.ge.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!crdgw1!rdsunx.crd.ge.com!ariel!davidsen
References: <15120@suns4.crosfield.co.uk> <15152@suns5.crosfield.co.uk> <16rb6gINNt38@iraul1.ira.uka.de>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!crdgw1!rdsunx.crd.ge.com!ariel!davidsen
From: davidsen@ariel.crd.GE.COM (william E Davidsen)
Newsgroups: comp.sys.intel
Subject: Re: Help - Cyrix processors, anyone know for sure?
Message-ID: <1992Aug19.132542.2667@crd.ge.com>
Date: 19 Aug 92 13:25:42 GMT
References: <15120@suns4.crosfield.co.uk> <15152@suns5.crosfield.co.uk> <16rb6gINNt38@iraul1.ira.uka.de>
Sender: usenet@crd.ge.com (Required for NNTP)
Reply-To: davidsen@crd.ge.com (bill davidsen)
Organization: GE Corporate R&D Center, Schenectady NY
Lines: 20
Nntp-Posting-Host: ariel.crd.ge.com