[ESS] Tips for preventing slowing down?
m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Wed Nov 13 21:14:10 CET 2019
Thanks a lot Bill.
I've observed the same... and so have others, often very experienced R users.
One thing some of us found was that 'flymake' was very harmful in
these situations, so we have turned it off (or tried to ...)
But I have to acknowledge that it does not solve the problem in some cases:
--> (setq ess-use-flymake nil)
Relatedly maybe (or not), I tend to have a suspicion that the "newish"
ESS behavior of "taking over" your default directory, and adapting
behavior of emacs *shell* is also harmful, notably when that
*shell* buffer also becomes 10000s of lines long.
On Wed, Nov 13, 2019 at 5:28 PM William Denton via ESS-help
<ess-help using r-project.org> wrote:
> I'm finding that large ESS buffers, where I've been running a lot of commands,
> really slow down Emacs. I use R a lot in Org, so when I'm working on something
> I'm running little R code blocks over and over, and then regenerating the entire
> document by running all the commands.
> After a while, the ESS buffer gets large, and things get slow. I mean really
> slow, to where keystrokes get missed because of the lag. I thought it might be
> swiper and ivy, so I disabled them, but the problem still happens. Running R
> at the command line doesn't lead to slowdown.
> I ran the profiler while I spent fifteen minutes or so in Org and ESS running R
> commands, and the highlights are this:
> - timer-event-handler 15189 34%
> cancel-timer-internal 8411 19%
> - command-execute 14995 34%
> - call-interactively 14995 34%
> - funcall-interactively 8411 19%
> + org-export-dispatch 3822 8%
> + org-ctrl-c-ctrl-c 3702 8%
> - byte-code 6583 15%
> + read-extended-command 6583 15%
> - ... 12560 28%
> Automatic GC 12552 28%
> I don't know what to make of this, though, or if there's anything there that
> might indicate what I should do. Do others have the same experience that large
> ESS buffers slow down Emacs? Is there any advice about what might help stop
> William Denton :: Toronto, Canada --- Listening to Art: https://listeningtoart.org/
> https://www.miskatonic.org/ --- GHG.EARTH: https://ghg.earth/
> Caveat lector. --- STAPLR: https://staplr.org/
> ESS-help using r-project.org mailing list
Martin <Maechler using stat.math.ethz.ch> https://stat.ethz.ch/~maechler
Seminar für Statistik, ETH Zürich HG G 16 Rämistrasse 101
CH-8092 Zurich, SWITZERLAND
phone: +41-44-632-3408 fax: ...-1228 <><
More information about the ESS-help