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Article #11789Re: Amdahl's Rule
From: Doug Rogers
Date: Fri, 24 May 1991 13:29
Date: Fri, 24 May 1991 13:29
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1392 bytes
In article <13179@pt.cs.cmu.edu>, lindsay@gandalf.cs.cmu.edu (Donald Lindsay) writes: > In article <11299@skye.cs.ed.ac.uk> ddr@cs.ed.ac.uk (Doug Rogers) writes: > >The use of RISC machines demands more memory and the use of shared > >libraries reduces memory needs. > > Surely the ratio of code-to-data shifts towards data as memory size > increases? I would have thought that this swamped the effects you > mention. > From our experience of university computer usage, I would disagree. This was shown clearly when the SUN OS 4.0 came in, and a teaching cluster was transformed from unusable to usable. I don't have any figures though on this. -- Douglas Rogers JANET: ddr@uk.ac.ed.lfcs Department of Computer Science UUCP: ..!mcvax!ukc!lfcs!ddr University of Edinburgh ARPA: ddr%lfcs.ed.ac.uk@nsfnet-relay.ac.uk Edinburgh EH9 3JZ, UK. Tel: 031-650 5172 (direct line)
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!uunet!mcsun!ukc!edcastle!cs.ed.ac.uk!ddrReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!uunet!mcsun!ukc!edcastle!cs.ed.ac.uk!ddr From: ddr@cs.ed.ac.uk (Doug Rogers) Newsgroups: comp.arch Subject: Re: Amdahl's Rule Message-ID: <11397@skye.cs.ed.ac.uk> Date: 24 May 91 13:29:28 GMT References: <11299@skye.cs.ed.ac.uk> <13179@pt.cs.cmu.edu> Sender: nnews@cs.ed.ac.uk Organization: Department of Computer Science, University of Edinburgh Lines: 17