Path: utzoo!mnetor!uunet!husc6!think!ames!ucsd!sdcsvax!ucsdhub!hp-sdd!hplabs!hpda!hpcupt1!hpcuhb!hpcllla!hpclisp!hpcltjb!brengle
From: brengle@hpcltjb.HP.COM (Tim Brengle)
Newsgroups: comp.lang.lisp
Subject: Re: Re: GC and time critical code? (use of numbers)
Message-ID: <640003@hpcltjb.HP.COM>
Date: 19 Apr 88 18:57:24 GMT
References: <452@cvaxa.sussex.ac.uk>
Organization: HP NSG/ISD Computer Language Lab
Lines: 11

Lucid Common LISP uses 30 bit "immediate" integers in a 32 bit word.

PSL 3.4 uses 28 bit immediate integers.

Both do a lot of work to make arithmetic FAST.  I know; I was part of the team
that worked on porting both of these to HP's Precision Architecture.

Tim Brengle
Hewlett-Packard Company

brengle@hplabs.hp.com