Re: [levoy@cs.stanford.edu: Poor performance over DSL link]

[storm@cua.dk (Kim F. Storm)]

From PROBLEMS:

* Improving performance with slow X connections

If you don't need X Input Methods (XIM) for entering text in some
language you use, you can improve performance on WAN links by
configuring Emacs with option `--without-xim'.  Configuring Emacs
without XIM does not affect the use of Emacs' own input methods, which
are part of the Leim package.

If the connection is very slow, you might also want to consider
switching off scroll bars, menu bar, and tool bar.


Richard Stallman <rms@gnu.org> writes:

> Could you please help him figure out what causes this traffic?
> 
> From: "Marc Levoy" <levoy@cs.stanford.edu>
> Subject: Poor performance over DSL link
> To: bug-gnu-emacs@gnu.org
> Date: 7 Sep 2002 11:51:19 -0700
> 
> Dear Emacs maintainers,
> 
> I just upgraded from Emacs 20.7 to 21.2, and I am suddenly seeing high traffic
> on my DSL link whenever the mouse is positioned over my Emacs window, even if
> my hands are off the keyboard and mouse.  Under 20.7, if I didn't touch the
> keyboard or mouse, there was no network traffic.  Emacs 21.2 seems sluggish
> over a DSL link; could this be why?
> 
> More details:
> 
> I am running "GNU Emacs 21.2.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll
> bars) of 2002-04-08 on porky.devel.redhat.com" on a Linux 7.3 system and
> displaying through Exceed 7.0 to a Windows 2000 system.  However, I see
> the same problem displaying through VNC, so I suspect the problem arises
> from within Emacs.  (If I move the mouse off the Emacs window, the extra
> traffic stops.)
> 
> I have tried turning off scroll bars and tooltips, but neither has any effect.
> I have searched the Internet for similar reports, and I see various complaints
> about the performance of various versions of Emacs over slow connections, but
> nothing that seems relevant to fixing the problem.
> 
> Is there something else I can disable in order to stop this network traffic
> and restore my editing performance?
> 
> - -Marc Levoy
>  Associate Professor
>  Computer Science Department
>  Stanford University
> 
> 
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-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk