Karl Voit <devn...@karl-voit.at> writes:

> However, my (long) Org-mode files with the performance issues is not
> a situation I am satisfied. Last week I presented Org-mode at a
> Linuxdays-event here in Graz and I had to apologize for all the
> weird behavior. This was somewhat embarrassing :-(

Does this happen on stable branch?

> Sure. After a couple of minutes, I C-g and this is the output:
> http://paste.grml.org/1898/

Would the following patch improve the situation?


Regards,

-- 
Nicolas Goaziou
>From 3b772bab6d99298844d9d05f79a12e1a9fb87a3a Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <n.goaz...@gmail.com>
Date: Sun, 13 Apr 2014 19:28:20 +0200
Subject: [PATCH] ob-exp: Improve speed

---
 lisp/ob-exp.el | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/lisp/ob-exp.el b/lisp/ob-exp.el
index 220a3c3..dc2bc94 100644
--- a/lisp/ob-exp.el
+++ b/lisp/ob-exp.el
@@ -153,20 +153,12 @@ may make them unreachable."
   (save-window-excursion
     (save-excursion
       (let ((case-fold-search t)
-	    (org-babel-exp-reference-buffer reference-buffer)
-	    (regexp (concat org-babel-inline-src-block-regexp "\\|"
-			    org-babel-lob-one-liner-regexp "\\|"
-			    "^[ \t]*#\\+BEGIN_SRC")))
+	    (org-babel-exp-reference-buffer reference-buffer))
 	(goto-char (point-min))
-	(while (re-search-forward regexp nil t)
+	(while (re-search-forward
+		"src_\\|^[ \t]*#\\+\\(call:\\|begin_src\\)\\|call_" nil t)
 	  (unless (save-match-data (org-in-commented-heading-p))
-	    (let* ((element (save-excursion
-			      ;; If match is inline, point is at its
-			      ;; end.  Move backward so
-			      ;; `org-element-context' can get the
-			      ;; object, not the following one.
-			      (backward-char)
-			      (save-match-data (org-element-context))))
+	    (let* ((element (save-match-data (org-element-context)))
 		   (type (org-element-type element))
 		   (begin (copy-marker (org-element-property :begin element)))
 		   (end (copy-marker
@@ -176,6 +168,10 @@ may make them unreachable."
 			   (point)))))
 	      (case type
 		(inline-src-block
+		 (goto-char begin)
+		 (unless (bolp) (backward-char))
+		 (looking-at org-babel-inline-src-block-regexp)
+		 (goto-char (match-end 0))
 		 (let* ((info (org-babel-parse-inline-src-block-match))
 			(params (nth 2 info)))
 		   (setf (nth 1 info)
@@ -201,6 +197,11 @@ may make them unreachable."
 		       (delete-region begin end)
 		       (insert replacement)))))
 		((babel-call inline-babel-call)
+		 (goto-char (or (org-element-property :post-affiliated element)
+				begin))
+		 (unless (bolp) (backward-char))
+		 (looking-at org-babel-lob-one-liner-regexp)
+		 (goto-char (match-end 0))
 		 (let* ((lob-info (org-babel-lob-get-info))
 			(results
 			 (org-babel-exp-do-export
-- 
1.9.2

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