From xemacs-m  Wed Sep  3 15:53:17 1997
Received: from relay6.UU.NET (relay6.UU.NET [192.48.96.16])
	by xemacs.org (8.8.5/8.8.5) with ESMTP id PAA21097
	for <xemacs-beta@xemacs.org>; Wed, 3 Sep 1997 15:53:16 -0500 (CDT)
Received: from dogbert.alteon.com by relay6.UU.NET with SMTP 
	(peer crosschecked as: alteon.com [208.200.21.146])
	id QQdflj04179; Wed, 3 Sep 1997 16:53:04 -0400 (EDT)
Received: from admin.alteon.com ([205.178.13.225]) by dogbert.alteon.com
          via smtpd (for relay6.UU.NET [192.48.96.16]) with SMTP; 3 Sep 1997 20:52:21 UT
Received: from mtlyell.acteon.com by admin.alteon.com (5.x/SMI-SVR4)
	id AA07667; Wed, 3 Sep 1997 13:51:00 -0700
Received: by mtlyell.acteon.com (5.x/SMI-SVR4)
	id AA26142; Wed, 3 Sep 1997 13:51:00 -0700
Date: Wed, 3 Sep 1997 13:51:00 -0700
Message-Id: <9709032051.AA26142@mtlyell.acteon.com>
From: Tibor Polgar <tibor@alteon.com>
To: Glynn Clements <glynn@sensei.co.uk>
Cc: xemacs-beta@xemacs.org
Subject: Re: Enhanced design for XEmacs redisplay
In-Reply-To: <199709030427.FAA02027@cerise.sensei.co.uk>
References: <340BAEC5.7B1638@nrs.dowjones.com>
	<9709022122.AA25028@mtlyell.acteon.com>
	<m23ennxi9l.fsf@altair.xemacs.org>
	<199709030427.FAA02027@cerise.sensei.co.uk>
X-Mailer: VM 6.31 under 20.2 XEmacs Lucid
Mime-Version: 1.0 (generated by tm-edit 7.106)
Content-Type: text/plain; charset=US-ASCII

 > On the subject of things that make XEmacs `dog slow', can I add this
 > one:
 > 
 > Having a large buffer open in one window, with point near the bottom
 > of the buffer. The further down the large buffer point is, the slower
 > everything becomes.
 > 

Do you have line-number-mode t?  I had to turn that sucker off long time ago
because of perf problems.  Back in 19.8??? days i made a brutal hack to cache
line info but with all the changes its gone.  FSF also prided itself in some
sort of line number speedup but it doesn't seem to do any good when i'm running
NT Emacs.

Tibor

