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bug#58558: 29.0.50; re-search-forward is slow in some buffers
From: |
Ihor Radchenko |
Subject: |
bug#58558: 29.0.50; re-search-forward is slow in some buffers |
Date: |
Wed, 14 Dec 2022 11:40:37 +0000 |
Eli Zaretskii <eliz@gnu.org> writes:
>> I am not sure what you mean by xbacktrace.
>
> It's a command we define in src/.gdbinit. Try this:
>
> (gdb) source /path/to/emacs/src/.gdbinit
> (gdb) xbacktrace
>
> But do that after catching Fmake_marker call from Fmatch_data, like
> you did before.
Ok.
Now, I disabled my custom mode-line and tied to get the backtrace for
Fmake_marker and also build_marker (as suggested by Stefan).
Disabling custom mode-line did not cause any apparent improvement in
performance.
Result:
Breakpoint is still _not_ triggered during benchmark-run call
(benchmark-progn (goto-char (point-min)) (while (re-search-forward yant/re nil
t)))
build_marker is not triggered, except during redisplay and completion.
Fmake_marker is triggered a dozen of times when preparing M-: prompt and
later a couple of hundreds of times _after_ executing the benchmark:
Called a couple of hundreds of times
Lisp Backtrace:
"match-data" (0xf0c02130)
0x59846038 PVEC_COMPILED
"auto-revert-buffers--buffer-list-filter" (0xf0c020b8)
"apply" (0xf0c020b0)
"auto-revert-buffers" (0xf0c02058)
"apply" (0xf0c02050)
"timer-event-handler" (0xffffcd48)
not related.
I will now look into counting the number of for look cycles, as Stefan
suggested.
--
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers,
Ihor Radchenko <=
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/14
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/14
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/14
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/14
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/14
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Stefan Monnier, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Stefan Monnier, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Eli Zaretskii, 2022/12/13
- bug#58558: 29.0.50; re-search-forward is slow in some buffers, Ihor Radchenko, 2022/12/14