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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