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Re: [Orgmode] Huge performance problems to open some Org files

From: Carsten Dominik
Subject: Re: [Orgmode] Huge performance problems to open some Org files
Date: Fri, 17 Dec 2010 13:29:56 +0100 
Hi Sebastien,

it seems clear that it is not orgmode that causes the
delays in its own functions.

One way to find out what is goin on is this:

Turn on debug-on-quite.
The, when in this slow loading process, press C-g at random times and see look at the functions in the backtrace. Instrument these functions or better packages with epl as well and iterate until you find which functions eat up the time. 

vc- stuff version control may be one likely offender.

- Carsten

On Dec 17, 2010, at 10:15 AM, Sébastien Vauban wrote:


Hello,

I've real performance problems for opening some Org files. Just some,
hopefully. I don't remember having those problems when I was on Ubuntu, and I must already have opened it, back then, but... Anyway, I'm now (forced) on 
Windows, and I have the problem.
For example[fn:1], the small attached file takes me at least 6 s for opening it! I really have no idea why. Why is it different from others, longer, that are 
opened in a much shorter time?

What did I do to try to spot the problem?

   M-x elp-instrument-package RET org- RET
   M-x find-file <FILE> RET
   M-x elp-results.

Here they are:

#+begin_src emacs-lisp
org-mode 1 6.719 6.719 org-set-regexps-and-options 1 0.203 0.203 org-compute-latex-and-specials-regexp 1 0.203 0.203 org-match-string-no-properties 35 0.016 0.0004571428 org-infile-export-plist 2 0.016 0.008 org-all-targets 1 0.0 0.0 org-mode-p 13 0.0 0.0 org-babel-result-hide-spec 1 0.0 0.0 org-inlinetask-fontify 2 0.0 0.0 org-bookmark-jump-unhide 1 0.0 0.0 org-cycle 1 0.0 0.0 org-unfontify-region 2 0.0 0.0 org-agenda-files 1 0.0 0.0 org-raise-scripts 2 0.0 0.0 org-activate-dates 2 0.0 0.0 org-point-at-end-of-empty-headline 1 0.0 0.0 org-load-modules-maybe 2 0.0 0.0 org-get-indentation 1 0.0 0.0 org-remove-font-lock-display-properties 2 0.0 0.0 org-mode-flyspell-verify 1 0.0 0.0 org-clocking-p 1 0.0 0.0 org-activate-footnote-links 2 0.0 0.0 org-at-item-checkbox-p 1 0.0 0.0 org-propertize 4 0.0 0.0 org-babel-do-key-sequence-in-edit-buffer 1 0.0 0.0 org-set-startup-visibility 1 0.0 0.0 org-overview 1 0.0 0.0 org-resolve-clocks-if-idle 1 0.0 0.0 org-decompose-region 2 0.0 0.0 org-make-options-regexp 3 0.0 0.0 org-update-radio-target-regexp 1 0.0 0.0 org-font-lock-add-priority-faces 2 0.0 0.0 org-assign-fast-keys 1 0.0 0.0 org-extract-log-state-settings 16 0.0 0.0 org-install-agenda-files-menu 1 0.0 0.0 org-babel-where-is-src-block-head 1 0.0 0.0 org-do-latex-and-special-faces 2 0.0 0.0 org-cycle-internal-global 1 0.0 0.0 org-do-emphasis-faces 2 0.0 0.0 org-link-display-format 3 0.0 0.0 org-src-native-tab-command-maybe 1 0.0 0.0 org-fontify-entities 2 0.0 0.0 org-file-menu-entry 32 0.0 0.0 org-set-visibility-according-to-property 1 0.0 0.0 org-activate-bracket-links 2 0.0 0.0 org-hide-archived-subtrees 1 0.0 0.0 org-imenu-new-marker 3 0.0 0.0 org-delete-all 1 0.0 0.0 org-add-props 3 0.0 0.0 org-cycle-hide-drawers 2 0.0 0.0 org-clocking-buffer 1 0.0 0.0 org-hh:mm-string-to-minutes 2 0.0 0.0 org-combine-plists 1 0.0 0.0 org-cycle-item-indentation 1 0.0 0.0 org-clock-notify-once-if-expired 1 0.0 0.0 org-optimize-window-after-visibility-change 1 0.0 0.0 org-list-at-regexp-after-bullet-p 2 0.0 0.0 org-set-font-lock-defaults 1 0.0 0.0 org-make-target-link-regexp 1 0.0 0.0 org-cycle-level 1 0.0 0.0 org-fontify-meta-lines-and-blocks 10 0.0 0.0 org-babel-hide-result-toggle-maybe 1 0.0 0.0 org-float-time 4 0.0 0.0 org-activate-angle-links 2 0.0 0.0 org-hide-block-toggle-maybe 1 0.0 0.0 org-clock-load 1 0.0 0.0 org-activate-code 2 0.0 0.0 org-font-lock-hook 2 0.0 0.0 org-set-autofill-regexps 1 0.0 0.0 org-cycle-show-empty-lines 2 0.0 0.0 org-activate-target-links 2 0.0 0.0 org-set-local 35 0.0 0.0 org-clock-update-mode-line 1 0.0 0.0 org-defkey 7 0.0 0.0 org-clock-get-clock-string 1 0.0 0.0 org-restart-font-lock 1 0.0 0.0 org-add-hook 4 0.0 0.0 org-remove-keyword-keys 3 0.0 0.0 org-activate-plain-links 2 0.0 0.0 org-font-lock-add-tag-faces 2 0.0 0.0 org-cycle-hide-archived-subtrees 2 0.0 0.0 org-at-table-p 1 0.0 0.0 org-hide-wide-columns 2 0.0 0.0 org-imenu-get-tree 1 0.0 0.0 org-key 7 0.0 0.0 org-at-item-p 4 0.0 0.0 org-babel-hide-all-hashes 1 0.0 0.0 org-default-export-plist 1 0.0 0.0 org-activate-tags 2 0.0 0.0 org-reduced-level 3 0.0 0.0 org-at-item-description-p 1 0.0 0.0 org-outline-level 7 0.0 0.0 org-clock-get-clocked-time 2 0.0 0.0 org-last 3 0.0 0.0 org-invisible-p 2 0.0 0.0 org-get-level-face 3 0.0 0.0 
#+end_src
which confirms almost 7 s for just opening that small file into a buffer.
Though, I don't see any potential explanation therefore. Could you help me 
spotting the problem?

Best regards,
 Seb

* Footnotes
[fn:1] I even have (longer) files that take longer to open...

--
Sébastien Vauban
<tags-opening-it-is- sloooooooooow.org>_______________________________________________ 
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