From: Carsten Dominik <carsten.dominik@gmail.com>
To: Eric S Fraga <e.fraga@ucl.ac.uk>
Cc: emacs-orgmode@gnu.org
Subject: Re: org-src-fontify-natively makes things very, very slow
Date: Thu, 28 Apr 2011 22:59:57 +0200 [thread overview]
Message-ID: <81001EF0-67CC-4477-BF2C-DDE5E5976815@gmail.com> (raw)
In-Reply-To: <87lj089ze7.fsf@pinto.chemeng.ucl.ac.uk>
On 21.3.2011, at 18:06, Eric S Fraga wrote:
> Hello again,
>
> going back to the original subject of this thread (although thanks all
> for your inputs on yasnippet ;-), I have started working on a new
> document and am finding the slowdown of navigation (next-line) very
> annoying. In this document, I have two gnuplot source blocks.
> Navigating through them, I get the following results from elp:
>
> --8<---------------cut here---------------start------------->8---
> next-line 54 5.9466770000 0.1101236481
> previous-line 44 0.4350030000 0.0098864318
> org-encrypt-entries 1 0.000424 0.000424
> org-scan-tags 1 0.000368 0.000368
> org-make-tags-matcher 1 5.1e-05 5.1e-05
> org-activate-plain-links 1 2.4e-05 2.4e-05
> org-raise-scripts 1 2.1e-05 2.1e-05
> org-fontify-meta-lines-and-blocks 1 1.9e-05 1.9e-05
> org-font-lock-hook 1 1.9e-05 1.9e-05
> org-outline-level 5 1.9e-05 3.8e-06
> org-mode-flyspell-verify 14 1.8e-05 1.285...e-06
> org-inlinetask-fontify 1 1.5e-05 1.5e-05
> org-activate-footnote-links 1 1.5e-05 1.5e-05
> org-unfontify-region 1 1.2e-05 1.2e-05
> org-do-emphasis-faces 1 1.2e-05 1.2e-05
> org-activate-angle-links 1 1.2e-05 1.2e-05
> org-activate-dates 1 1.1e-05 1.1e-05
> org-fontify-entities 1 1.1e-05 1.1e-05
> --8<---------------cut here---------------end--------------->8---
>
> From these timings, the font locking doesn't seem to be the issue but
> maybe the overlays are. However, commenting out the code that Sébastien
> Vauban indicated:
>
>> Maybe this is (partly?) due to the overlay I added:
>>
>> #+begin_src emacs-lisp
>> (overlay-put (make-overlay beg1 block-end)
>> 'face 'org-block-background))
>> #+end_src
>
> (well, commenting out the whole condition that includes this code) makes
> no difference at all.
Did you restart Emacs? Because if you just continued, all those
overlays are there already.
>
> So, I turned off =org-src-fontify-natively= and things are back to
> normal: next-line is as fast as previous-line. I can put up without the
> fontification so this is what I am doing now.
>
> However, as it's a pity to lose the native fontification, it would be
> nice to solve this problem in another way. Can anybody suggest any
> other thing to try?
The problem with the multiple overlays that were created
during native fontification is now fixed. I would be interested
to know if this improves the situation.
- Carsten
next prev parent reply other threads:[~2011-04-28 21:00 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-17 13:59 org-src-fontify-natively makes things very, very slow Julian Burgos
2011-03-17 18:28 ` Eric S Fraga
2011-03-17 20:34 ` Sébastien Vauban
2011-03-18 0:11 ` Julian Burgos
2011-03-18 8:38 ` Eric S Fraga
2011-03-18 12:44 ` Julian Burgos
2011-03-19 9:20 ` Sébastien Vauban
2011-03-19 12:28 ` suvayu ali
2011-03-19 20:37 ` Eric S Fraga
2011-03-19 20:34 ` Eric S Fraga
2011-03-20 4:23 ` Le Wang
2011-03-20 19:41 ` Eric S Fraga
2011-03-21 2:37 ` Le Wang
2011-03-21 13:57 ` Eric Schulte
2011-03-21 17:06 ` Eric S Fraga
2011-03-21 22:23 ` Sébastien Vauban
2011-03-22 9:18 ` Ulf Stegemann
2011-03-29 14:49 ` Matt Lundin
2011-03-29 16:49 ` Eric S Fraga
2011-03-30 7:34 ` Sébastien Vauban
2011-04-28 20:59 ` Carsten Dominik [this message]
2011-04-28 23:32 ` Eric S Fraga
2011-04-30 19:45 ` Eric S Fraga
2011-05-01 13:37 ` Carsten Dominik
2011-03-29 14:12 ` Matt Lundin
2011-03-29 16:44 ` Eric S Fraga
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