From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carsten Dominik Subject: Re: org-src-fontify-natively makes things very, very slow Date: Thu, 28 Apr 2011 22:59:57 +0200 Message-ID: <81001EF0-67CC-4477-BF2C-DDE5E5976815@gmail.com> References: <87ipvhiou8.fsf@ucl.ac.uk> <804o71triy.fsf@somewhere.org> <87bp18su1a.fsf@ucl.ac.uk> <80fwqjqxfj.fsf@somewhere.org> <87oc56q26l.fsf@ucl.ac.uk> <87ipvdo9zs.fsf@ucl.ac.uk> <87tyewk1im.fsf@gmail.com> <87lj089ze7.fsf@pinto.chemeng.ucl.ac.uk> Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([140.186.70.92]:60902) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QFYJf-0004j7-9J for emacs-orgmode@gnu.org; Thu, 28 Apr 2011 17:00:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QFYJe-0006j1-8H for emacs-orgmode@gnu.org; Thu, 28 Apr 2011 17:00:03 -0400 Received: from mail-ew0-f41.google.com ([209.85.215.41]:46487) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QFYJd-0006i3-P8 for emacs-orgmode@gnu.org; Thu, 28 Apr 2011 17:00:02 -0400 Received: by ewy9 with SMTP id 9so1121487ewy.0 for ; Thu, 28 Apr 2011 13:59:59 -0700 (PDT) In-Reply-To: <87lj089ze7.fsf@pinto.chemeng.ucl.ac.uk> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Eric S Fraga Cc: emacs-orgmode@gnu.org On 21.3.2011, at 18:06, Eric S Fraga wrote: > Hello again, >=20 > 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: >=20 > --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--- >=20 > =46rom these timings, the font locking doesn't seem to be the issue = but > maybe the overlays are. However, commenting out the code that = S=E9bastien > Vauban indicated: >=20 >> Maybe this is (partly?) due to the overlay I added: >>=20 >> #+begin_src emacs-lisp >> (overlay-put (make-overlay beg1 block-end) >> 'face 'org-block-background)) >> #+end_src >=20 > (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. >=20 > So, I turned off =3Dorg-src-fontify-natively=3D 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. =20 >=20 > 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