Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!apple!mips!winchester.mips.com!mash
From: mash@winchester.mips.com (John Mashey)
Newsgroups: comp.arch
Subject: Re: r4000
Message-ID: <46252@mips.mips.COM>
Date: 27 Feb 91 18:41:43 GMT
References: <1991Feb25.202912.28140@oakhill.sps.mot.com>
Sender: news@mips.COM
Reply-To: mash@winchester.mips.com (John Mashey)
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Organization: MIPS Computer Systems, Inc.
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In article <1991Feb25.202912.28140@oakhill.sps.mot.com>, mitch@oakhill.sps.mot.com (Mitch Alsup) writes:

|>    After gathering some numbers from Comp.Arch, I would like to guess at
|> the performance of the MIPS R4000 processor.  If any of these numbers are
|> incorrect, I would be greatful if someone at MIPS would correct and repo

|>     As a comparison, (from memory) R3000 CPI = 1.25 at 33 MHz
|> 
|> 	 33 MHz / 1.25 CPI  = 26.4 MIPS or nearly 19 SPECmarks.
|
Well, I don't  know about the rest of that, but the RC3360 gets 26.5 SPECmarks (27.1 SPECint,
26.2 SPECfloat) @ 33 MHz.   25MHz R3000s get around 18-19 SPECmarks.

-john mashey	DISCLAIMER: <generic disclaimer, I speak for me only, etc>
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