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- Path: 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
-
- 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.
-