Sebastien Vauban <sva-news@...> writes: > > Angus M <anguscmelville@...> writes: > > I'm trying to run a long Python code block (~4000 lines) in org mode. The > > code is sandwiched between: > > #+begin_src python > > <python code block> > > #+end_src > > > > It runs fine, but org mode becomes incredibly slow - when typing text there > > is about a 10 second delay before the character appears on the screen. If I > > reduce the number of lines of code in the block there is a noticeable > > increase in speed. > > > > I am not using line numbers, and the delay is not ameliorated by turning off > > fontification. > > > > If I add a semi-colon before #+begin_src, to comment it off (get rid of src > > environment), then org mode returns to it's normal speed. > > The best thing to do, now, is run the profiler: > > M-x profiler-start > ... type one character (which takes 10 s to be rendered) > M-x profiler-report > > Best regards, > Seb >
Many thanks.
I've run the profiler, but am not quite sure what to make of the result
(fully expanded):
- ... 1199 99%
- while 1194 98%
- cond 1194 98%
- setq 1194 98%
- org-footnote-at-reference-p 1194 98%
- if 1194 98%
- save-excursion 1179 97%
- org-footnote-in-valid-context-p 1179 97%
- let 1179 97%
- unwind-protect 1179 97%
- progn 1179 97%
- not 1179 97%
- or 1179 97%
- org-in-block-p 1177 97%
- let 1177 97%
- unwind-protect 1177 97%
- progn 1177 97%
- catch 1177 97%
- let 1177 97%
- mapc 1168 96%
- #<lambda 0x1bd609a3> 1168 96%
- let 1168 96%
- if 1168 96%
- org-between-regexps-p 1168 96%
- let 1168 96%
- unwind-protect 1168 96%
- progn 1167 96%
- let 1167 96%
- or 672 55%
- save-excursion 672 55%
outline-next-heading 478 39%
outline-previous-heading 193 15%
- save-excursion 495 40%
- and 495 40%
- or 291 24%
- org-at-regexp-p 1 0%
- catch 1 0%
- save-excursion 1 0%
let 1 0%
not 115 9%
- save-excursion 9 0%
outline-previous-heading 8 0%
outline-next-heading 1 0%
- org-in-verbatim-emphasis 2 0%
- let 2 0%
- unwind-protect 2 0%
- progn 2 0%
- and 2 0%
- org-in-regexp 2 0%
- catch 2 0%
- let 2 0%
- save-excursion 1 0%
- beginning-of-line 1 0%
- 1 0%
- and 15 1%
- org-footnote-in-valid-context-p 15 1%
- let 15 1%
- unwind-protect 15 1%
- progn 15 1%
- not 15 1%
- or 15 1%
- org-in-block-p 14 1%
- let 14 1%
- unwind-protect 14 1%
- progn 14 1%
- catch 14 1%
- let 14 1%
- save-excursion 14 1%
outline-previous-heading 10 0%
outline-next-heading 4 0%
- org-in-verbatim-emphasis 1 0%
- let 1 0%
- unwind-protect 1 0%
progn 1 0%
Automatic GC 5 0%
- redisplay_internal (C function) 10 0%
- jit-lock-function 10 0%
- jit-lock-fontify-now 10 0%
- funcall 10 0%
- #<compiled 0xf18aef> 10 0%
- run-hook-with-args 10 0%
- font-lock-fontify-region 10 0%
- font-lock-default-fontify-region 10 0%
- font-lock-fontify-keywords-region 9 0%
- org-activate-plain-links 2 0%
- let 2 0%
- if 2 0%
and 2 0%
- font-lock-unfontify-region 1 0%
- org-unfontify-region 1 0%
let* 1 0%
- command-execute 2 0%
- call-interactively 2 0%
- byte-code 2 0%
- read-extended-command 2 0%
- completing-read 2 0%
- completing-read-default 2 0%
read-from-minibuffer 1 0%
It seems to checking for a footnote reference. Is this anything out of the
ordinary? My text contains no footnotes. Any pointers in the right
direction greatly appreciated.
Thanks
Angus M
P.s. This problem still occurs with only the basic 'starter' org mode
.emacs init file.
