Does gnu emacs ever compact its heap

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Article #98327

#98327

From: Robert L Krawitz
Date: Tue, 15 Oct 1991 22:02

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   Date: Tue, 15 Oct 91 17:46:40 EDT
   From: Tim McNerney <TimMcN@Berlin.Think.COM>

   My officemate has noticed that gmacs thrashes more and more the longer
   gmacs has been running (eg. days, weeks).  Getting rid of buffers does not
   seem to help.  This has led me to wonder whether emacs ever compacts its
   heap.  If it did, I suppose that the GC doesn't have to page as frequently
   while GCing.  This behavior is especially noticeable on a SPARCstation 1
   with 4Mb of physical memory.  Regardless of the size of image (eg. 11Mb),
   no more than 1.6Mb appear to ever be resident.

It never compacts its buffer space.  The lisp heap is compacted.

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References: <9110152146.AA28260@mjolnir.think.com>

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From: rlk@think.com (Robert L Krawitz)
Newsgroups: gnu.emacs.bug
Subject: Does gnu emacs ever compact its heap
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Date: 15 Oct 91 22:02:15 GMT
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