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From: brant@linc.cis.upenn.edu (Brant Cheikes)
Newsgroups: comp.emacs
Subject: Re: UNIXPC emacs
Message-ID: <1832@super.upenn.edu>
Date: Fri, 21-Aug-87 23:18:06 EDT
Article-I.D.: super.1832
Posted: Fri Aug 21 23:18:06 1987
Date-Received: Sun, 23-Aug-87 06:47:14 EDT
References: <6622@eddie.MIT.EDU> <14104@topaz.rutgers.edu> <49@nancy.UUCP> <259@cogent.UUCP>
Sender: news@super.upenn.edu
Reply-To: brant@linc.cis.upenn.edu.UUCP (Brant Cheikes)
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Organization: University of Pennsylvania
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Keywords: IBM, mainframe, gnuemacs


Yes, I have a complete Gnu Emacs 18.47 up and happily running on a
Unix PC (aka 3B1).  RMS and friends have my everlasting admiration for
a fine piece of software that was probably the easiest large piece of
Unix software I've ever installed.

My configuration is 2M RAM + 40M disk.  The worst part of Gnu is the
amount of disk space it requires.  I've put together a "minimal"
distribution tar file (eliminating stuff for other machines, X-windows,
the TeX manual, etc) and that takes 6.5+Mb of disk (uncompressed), only
2.5 or so compressed.  You probably need on the order of 10Mb free to
build a new Gnu.  Once built, however, you can prune things down to
around 1.5Mb on disk (exec is about .5 Mb).  Sad thing is no one's
managed to hack it to use the shared library.

As for performance, Gnu takes about 20 sec to load on an empty 3B1, but
then runs as fast or faster than it does on my research VAX.  I suspect
that a 1Mb RAM system would be ok, but the increased paging might nail
performance.  The "ps" routine has frequently shown emacs taking 200+
memory blocks (though less than 30 in memory at a time, usually).

So, in summary, Gnu is alive and well on the 3B1.  If anyone wants
specific details about how you build it (the m-7300.h file isn't quite
right, esp. for v3.51 of the OS), contact me directly.
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Brant Cheikes                                      University of Pennsylvania
ARPA: brant@linc.cis.upenn.edu               Computer and Information Science
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