Re: segments and Unix

Article View: comp.sys.intel

Article #1515

#1515

From: Mike Wexler
Date: Wed, 19 Nov 1986 10:27

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In article <13802@amdcad.UUCP> phil@amdcad.UUCP (Phil Ngai) writes:
>Suppose every data structure were in its own segment. And of course,
>that every segment were big enough to hold any data structure you
>needed so that you didn't need to manage multiple segments for one
>data structure. 
> Phil Ngai +1 408 749 5720
Intels IAPX 432 processor incorporated this idea in hardware.  It was
slow.  This is not necessarily because of the basic idea.  It may have
just been a bad implementation.  It would be worth while to get the databook
for the 432 it is quite interesting.  The 432 went a little bit further.
It basically "knows" the type of every data structure and enforces certain
rules as to what can be done with things of each type.


-- 
Mike Wexler
(trwrb|scgvaxd)!felix!peregrine!mike
(714)855-3923

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rutgers!sri-unix!hplabs!felix!peregrine!mike
From: mike@peregrine.UUCP (Mike Wexler)
Newsgroups: comp.sys.intel,comp.lang.c
Subject: Re: segments and Unix
Message-ID: <1217@peregrine.UUCP>
Date: Wed, 19-Nov-86 05:27:26 EST
Article-I.D.: peregrin.1217
Posted: Wed Nov 19 05:27:26 1986
Date-Received: Wed, 19-Nov-86 22:28:41 EST
References: <13802@amdcad.UUCP>
Reply-To: mike@peregrine.UUCP (Mike Wexler)
Organization: Peregrine Systems, Inc, Irvine Ca
Lines: 18

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