Article View: comp.arch
Article #13173Re: register window machine questions
From: adb
Date: Tue, 10 Mar 1987 15:13
Date: Tue, 10 Mar 1987 15:13
17 lines
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1559 bytes
In article <14@winchester.mips.UUCP>, mash@mips.UUCP writes: > >Ditzel et. al. have finally published details of the CRISP processor, > >which is a chip implements a stack cache with 32 registers.... > >.... They claim exceptional high hit > >ratios on the stack cache, and performance of about 9x a VAX780 > >running at 16Mhz (for some number of benchmarks including PCC-- > >smaller benchmarks show 30x!). There are a number of other > I do believe that was X a 750, not a 780 ... Sorry, John, it really was 9 times a 780, not a 750. I suspected that posting a slide with 750 numbers would confuse people. > 13X (750) Dhrystone (11,000? hard to know what their 750s do?) The Dhrystone number we published was 13,560, and the 750 we used ran about 996. The precise numbers for wc and Ackerman's are 19.5 and 33.6 times a 750, respectively. Alan Berenbaum, AT&T-Something ..!ihnp4!homxa!adb ..!research!adb
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arc1-ca.pugleaf.net!utzoo!utgpu!water!watnot!watmath!clyde!cbatt!ihnp4!homxb!houxm!mhuxt!mhuxm!mhuxo!ulysses!allegra!alice!adbReferences:
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watnot!watmath!clyde!cbatt!ihnp4!homxb!houxm!mhuxt!mhuxm!mhuxo!ulysses!allegra!alice!adb From: adb@alice.UUCP Newsgroups: comp.arch Subject: Re: register window machine questions Message-ID: <6699@alice.uUCp> Date: Tue, 10-Mar-87 10:13:22 EST Article-I.D.: alice.6699 Posted: Tue Mar 10 10:13:22 1987 Date-Received: Thu, 12-Mar-87 22:39:42 EST References: <4376@columbia.UUCP> <448@cpocd2.UUCP> <495@apple.UUCP> <14@winchester.mips.UUCP> Organization: AT&T Bell Laboratories, Murray Hill NJ Lines: 17 Summary: What CRISP really does