Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!husc6!mit-eddie!genrad!decvax!decwrl!pyramid!oliveb!amdahl!rrs From: rrs@amdahl.amdahl.com (Bob Snead) Newsgroups: comp.arch Subject: Re: Phys vs Virtual Addr Caches Message-ID: <10264@amdahl.amdahl.com> Date: Thu, 16-Jul-87 17:30:19 EDT Article-I.D.: amdahl.10264 Posted: Thu Jul 16 17:30:19 1987 Date-Received: Sat, 18-Jul-87 09:07:00 EDT References: <3904@spool.WISC.EDU> Organization: Amdahl Corp, Sunnyvale CA Lines: 21 Summary: virtually addressed caches In article <3904@spool.WISC.EDU>, lm@cottage.WISC.EDU (Larry McVoy) writes: > ........ Why do people build their caches to respond to physical > addresses instead of virtual addresses? ... > > Am I missing something or is this the wave of the future? In fact, it's the wave of the present. Amdahl 580s have virtually addressed caches. Claimer: "There is no way of exchanging information that does not demand an act of judgment." - Jacob Bronowski Disclaimer: If you perceived opinions in what I have written they are probably your own and certainly not Amdahl Corp's. Bob Snead Future Computing Technologies Amdahl Corp. UUCP: ..!{ihnp4, hplabs, amd, sun, ...}!amdahl!rrs