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Article #2934Re: VERY LARGE main memories; HOW M
From: aglew
Date: Fri, 26 Sep 1986 05:15
Date: Fri, 26 Sep 1986 05:15
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1357 bytes
>This is another problem with virtual memory - central memory is >starting to get cheaper and bigger than the disk memory. The biggest >disk drive available with a Cray these days is a DD-49 (holds about >151 MW). One memory image of the 4GW Cray 3 would fill 26 DD-49s to >capacity. What are you going to operate virtual memory out of? > >J. Giles >Los Alamos Main memory will be as much high speed RAM as you can afford. Virtual memory will be slightly slower speed but less expensive RAM. You'll still be able to page - but paging will be done so fast that you won't have time for all the complicated paging algorithms that are used today. Andy "Krazy" Glew. Gould CSD-Urbana. USEnet: ihnp4!uiucdcs!ccvaxa!aglew 1101 E. University, Urbana, IL 61801 ARPAnet: aglew@gswd-vms
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!cbatt!ihnp4!inuxc!pur-ee!uiucdcs!uiucuxc!ccvaxa!aglew From: aglew@ccvaxa.UUCP Newsgroups: net.arch Subject: Re: VERY LARGE main memories; HOW M Message-ID: <5100141@ccvaxa> Date: Fri, 26-Sep-86 01:15:00 EDT Article-I.D.: ccvaxa.5100141 Posted: Fri Sep 26 01:15:00 1986 Date-Received: Tue, 30-Sep-86 04:48:48 EDT References: <1128@tekig5.UUCP> Lines: 18 Nf-ID: #R:tekig5.UUCP:1128:ccvaxa:5100141:000:787 Nf-From: ccvaxa.UUCP!aglew Sep 26 00:15:00 1986