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Re: Slow/poor responsiveness in org files

From: Tim Cross
Subject: Re: Slow/poor responsiveness in org files
Date: Mon, 22 Aug 2011 10:52:49 +1000


Adding the line

(setq bidi-display-reordering nil)

to my org-mode-hook has fixed the problem. Cursor movement and editing
operations are now usable and the delays are gone.

This was with Emacs 24.0.50 revno 105525

Unfortunately, I now find I have emacs generating a backtrace when I
try to quite with the error
void-function bidi-string-mark-left-to-right, but I think that is
unrelated and just coincidental.


On Sat, Aug 20, 2011 at 10:53 AM, Tim Cross <address@hidden> wrote:
> On Sat, Aug 20, 2011 at 10:23 AM, Bastien <address@hidden> wrote:
>> Hi Tim,
>> Tim Cross <address@hidden> writes:
>>> OK, will do.
>> Thanks in advance!
>>> As Bastien indicates this is a known problem, I will assume there is
>>> an existing bug report and won't create a new one. I will post my
>>> results back here. Given the combinations to test, this will take some
>>> work and some time.
>> Please first try what Antoine suggested.
>>> One question I do have, how do I run emacs bzr trunk with org 7.4? Is
>>> it sufficient to just ensure some 7.4 load directory is  first in the
>>> load path?
>> I think so.
>>> Also, what is the url to get 7.4?
>> http://orgmode.org/org-7.4.tar.gz
>> Or get Org from git:
>>  ~$ git clone git://orgmode.org/org-mode.git
>> and checkout commit 597e2863377fb8763cf6951e3b4e777b4616300d
>> HTH,
>> --
>>  Bastien
> OK, will try to do later this weekend. Was going to check the bidi
> settings first as the changing of the default for bidi mode and the
> merge of 7.7 occured quite close - probably within the same update for
> me. I am a daily org user and had not noticed any performance issues
> with 7.4.
> Need to wait until my work completes the current major system update
> outage to get access to my large org file that I want to test with.
> Should be able to do this tomorrow.
> Tim
> P.S. I did notice no significant performance problems with very small
> org test files. It would seem you need to cross some size threshold
> before you notice the performance impact.

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