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Article #2825Re: VERY LARGE main memories: crypt
From: aglew
Date: Thu, 11 Sep 1986 16:04
Date: Thu, 11 Sep 1986 16:04
15 lines
1227 bytes
1227 bytes
> I think Miya's point, in complaining that we were talking about > the Cray size in bytes when it is really in words, is that when > you're talking about address decoding, 256MW is NOT the same > problem as 2GB. It's three bits less. Whether that's an > important distinction or not, though... > > scott preece Yeah, but then, for any machine with a cache, the true address is reduced by the cache line size. So, a 2GB memory in a machine with a 128 bit cache line is actually only 27 bits, 4 bits less. 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!ccvaxa!aglew From: aglew@ccvaxa.UUCP Newsgroups: net.arch Subject: Re: VERY LARGE main memories: crypt Message-ID: <5100130@ccvaxa> Date: Thu, 11-Sep-86 12:04:00 EDT Article-I.D.: ccvaxa.5100130 Posted: Thu Sep 11 12:04:00 1986 Date-Received: Sat, 13-Sep-86 04:36:33 EDT References: <15505@ucbvax.BERKELEY.EDU> Lines: 15 Nf-ID: #R:ucbvax.BERKELEY.EDU:15505:ccvaxa:5100130:000:650 Nf-From: ccvaxa.UUCP!aglew Sep 11 11:04:00 1986