Article View: comp.unix.cray
Article #208Re: Protection in Cray
From: Martin Fouts
Date: Fri, 04 Jan 1991 17:58
Date: Fri, 04 Jan 1991 17:58
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>>>>> On 23 Dec 90 09:47:59 GMT, fair@Apple.COM (Erik E. Fair) said: Erik> Mike O'dell gave a wonderful paper at the last USENIX conference about Erik> trying to build a 150 MIPS SPARC system in GAs technology. One of the Erik> more amusing parts was his description of why heavily pipelined Erik> machines and virtual memory systems don't get along very well: it is Erik> somewhat disconcerting to find out that you had a page fault four Erik> instructions ago... Not sure how this applies to comp.unix.cray, as Mr. Cray's machines don't have virtual memory. It was a much more interesting problem on the ETA-10, which did. (does?) Marty -- Martin Fouts Software Craftsman EMAIL: fouts@apd.ingr.com PHONE: (415) 852-2310 FAX: (415) 856-9224 MAIL: 2400 Geng Road, Palo Alto, CA, 94303 Moving to Montana; Goin' to be a Dental Floss Tycoon. - Frank Zappa
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arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!clyde.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!apple!bionet!ames!eos!shelby!unix!garth!fouts@bozeman.ingr.com (Martin Fouts)References:
<1990Dec18.214228.25858@agate.berkeley.edu> <1249@sunc.osc.edu> <1990Dec19.181343.10365@agate.berkeley.edu> <47572@apple.Apple.COM>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!clyde.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!apple!bionet!ames!eos!shelby!unix!garth!fouts@bozeman.ingr.com (Martin Fouts) From: fouts@bozeman.ingr.com (Martin Fouts) Newsgroups: comp.unix.cray Subject: Re: Protection in Cray Message-ID: <41@garth.UUCP> Date: 4 Jan 91 17:58:03 GMT References: <1990Dec18.214228.25858@agate.berkeley.edu> <1249@sunc.osc.edu> <1990Dec19.181343.10365@agate.berkeley.edu> <47572@apple.Apple.COM> Sender: fouts@garth.UUCP Organization: INTERGRAPH (APD) -- Palo Alto, CA Lines: 24 In-reply-to: fair@Apple.COM's message of 23 Dec 90 09:47:59 GMT