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From: aglew@ccvaxa.UUCP
Newsgroups: net.arch
Subject: Re: VERY LARGE main memories
Message-ID: <5100119@ccvaxa>
Date: Mon, 1-Sep-86 01:19:00 EDT
Article-I.D.: ccvaxa.5100119
Posted: Mon Sep  1 01:19:00 1986
Date-Received: Mon, 1-Sep-86 23:10:37 EDT
References: <2017@sdcsvax.UUCP>
Lines: 14
Nf-ID: #R:sdcsvax.UUCP:2017:ccvaxa:5100119:000:597
Nf-From: ccvaxa.UUCP!aglew    Sep  1 00:19:00 1986


... > Very large memories - Barry Shein (and C. Gordon Bell, and many
... > others) suggest that memory clearing places an upper limit on
... > useful memory size.

Right. How quickly can you clear a 4TB disk farm?

(No, I'm not quite so dogmatic. Memory clearing is certainly a 
consideration in context switching. Which may be one of the reasons
multiprocessors like ELXSI can effectively use large memory,
since they also report less context switching).

Andy "Krazy" Glew. Gould CSD-Urbana.    USEnet:  ihnp4!uiucdcs!ccvaxa!aglew
1101 E. University, Urbana, IL 61801    ARPAnet: aglew@gswd-vms