Re: 24 bit pointers

Article View: gnu.emacs.bug

Article #1814

#1814

From: David Vinayak Wallace
Date: Wed, 03 Jan 1990 21:28

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Since gnu emacs runs on conventional hardware why not adopt BIBOP?
It's extremely cheap.  I think someone already suggested this.

g

PS: For those who haven't heard of it, under BIBOP you allocate
    regions of memory to specific datatypes.  You can think of this as
    "overloading" the pointers.  This was especially cute and cheap on
    the PDP-10, but any machine with a barrel shifter can implement it
    cheaply too.

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!shelby!neon!neon!gumby
From: gumby@Gang-of-Four.Stanford.EDU (David Vinayak Wallace)
Newsgroups: gnu.emacs.bug
Subject: Re: 24 bit pointers
Message-ID: <GUMBY.90Jan3132815@Gang-of-Four.Stanford.EDU>
Date: 3 Jan 90 21:28:15 GMT
References: <9001012326.AA04455@atlantis> <32538@news.Think.COM>
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Distribution: gnu
Organization: Computer Science Department, Stanford University
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In-Reply-To: rlk@think.com's message of 2 Jan 90 01:24:21 GMT

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