From: Ihor Radchenko <yantar92@posteo.net>
To: "Sebastian Wålinder" <s.walinder@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: org-fold style text-properties slowdown
Date: Thu, 22 Jun 2023 10:11:17 +0000 [thread overview]
Message-ID: <87legbdcxm.fsf@localhost> (raw)
In-Reply-To: <87pm5oe3t0.fsf@nixos.mail-host-address-is-not-set>
Sebastian Wålinder <s.walinder@gmail.com> writes:
> I write regularly in a massive org file ~160 000 lines, and experience progressive slowdowns as the buffer remains open when I have the setting `(setq org-fold-core-style 'text-properties)`.
>
> When the file is first opened, all operations are very fast. But as I keep using, it keeps slowing down and eventually slows to a crawl where typing a single character takes several seconds. However, after closing the buffer and opening the file up again, the speed returns to normal.
>
> With `(setq org-fold-core-style 'overlays)` in my `early-init.el`, I have no slowdown issue related to org-fold over time.
> ...
> The memory profiler reports nothing significant. It appears `org-fold-core--fix-folded-region` is what's taking all the cycles. What's the best way for me to proceed debugging this?
Try the latest bugfix branch.
I recently pushed an optimization in this area:
https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?h=bugfix&id=7b3b7b92e784c86c4ada1150d6e17a510b5ea3d0
--
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>
prev parent reply other threads:[~2023-06-22 10:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-22 0:30 org-fold style text-properties slowdown Sebastian Wålinder
2023-06-22 10:11 ` Ihor Radchenko [this message]
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