Re: Why is Emacs so slow when used remotely?

[Pascal J. Bourguignon]

Tim X <timx@nospam.dev.null> writes:

> A few things to try ...
>
> 1. turn off tooltip mode

Yes. Anything graphic.


> 2. Try running with -nw to turn off X and only have a terminal UI and
> see what the performance is like. this will let you know if the problem
> is basic emacs or the X protocol stuff

This is not useful, if you only work with text.  The X protocol is not
significantly worse than any other terminal protocol to send over text.


> 3. Have you considered running tramp rather than a remote emacs? I've
> not bothered with a remote emacs for a long time, preferring to run
> tramp (especially with tramps support for remote execution of commands
> etc). 
>
> 4. Have you experimented with ssh compression? Sometimes you need to try
> various values to get the optimal setting for your connection. Most X
> protocol packets are quite small and too high a setting for compression
> can actaully slow things down. 

Also, on a trusted network (ie. a LAN), you could bypass ssh, and just
send X directly over the LAN.


> 5. When I did run remote X based emacs versions, I found using one of
> the X compression protocols gave a huge performance improvement. From
> memory, the one I used was something like xdcp (X differential
> compression protocol or something similar). I believe recent X.org
> versions come with support for such protocols. Maybe look at setting
> this up. 

-- 
__Pascal Bourguignon__                     http://www.informatimago.com/