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From: lusol@vax1.cc.lehigh.edu
Newsgroups: comp.sys.cdc
Subject: Re: VE on a MIPS box
Message-ID: <10127.262384ad@vax1.cc.lehigh.edu>
Date: 11 Apr 90 23:25:33 GMT
Organization: Lehigh University
Lines: 28


Rob Peglar says:
>
>According to Dave Folsom, who I consider a friend (if not a co-worker
>any more  :-)) there "is some work being put into VE on the MIPS
>platforms"  (paraphrased quotation)
Watch out Unices.  :-).
>
>Plus, the guy who's doing the work is a long-time CDCer and no doubt
>would do a very good job.
I'm down to 50 hpw, where do I sign up?


Dave Christie says:
>
>architecture.  All the components of a task's address space that partition
>so nicely into segments - code, libraries, stack, working storage, files,
>etc. - would all have to be smooshed into windows in one flat 2GB address
>space.
Yes, it will be difficult to smoosh a NOS/VE task's 48 bit PVA (Process Virtual
Address) space of 8.8 trillion bytes into a 2 billion byte space!  And what
about the 16 rings...  The 386 at least supported 4 rings, if I remember
correctly (which I probably do not).

Steve Lidie
Lehigh University Computing Center

LUSOL@CDC1.CC.Lehigh.EDU