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From: Michael Brand <michael.ch.brand@gmail.com>
To: Nicolas Goaziou <n.goaziou@gmail.com>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: Opening an Org file slowed down
Date: Sun, 24 Nov 2013 14:49:50 +0100	[thread overview]
Message-ID: <CALn3zoisBM6+DLVGVx94nAigo6nuLwiZXoi=eCE_N8mLKgyXcg@mail.gmail.com> (raw)
In-Reply-To: <87r4a7tmo2.fsf@gmail.com>

Hi Nicolas

On Sat, Nov 23, 2013 at 11:52 AM, Nicolas Goaziou <n.goaziou@gmail.com> wrote:
> I pushed a fix that should halve the time,

I see this effect, thank you.

> but it will still be slow.
>
> `org-element-at-point' is linear by the number of elements before point
> in the current section. Therefore, parsing /all/ elements in a section
> will be quadratic by the number of elements in the section.

To avoid the quadratic scaling in my use case of "fileconversion" I
think fileconversion should be improved to insert the leading stars
_before_ Org mode has finished turning on. In the past org-mode-hook
was simply used but it seems to have become the wrong choice for my
purpose.

First, I have an understanding question:

I tried to find where org-mode-hook is called within the function
org-mode but could not see something similar to the expected
"(run-hooks 'org-mode-hook)". So I added 'backtrace to the
org-mode-hook but don't understand it either:

    (backtrace)
      backtrace()
      run-hooks(change-major-mode-after-body-hook text-mode-hook
outline-mode-hook org-mode-hook)
      apply(run-hooks (change-major-mode-after-body-hook
text-mode-hook outline-mode-hook org-mode-hook))
      run-mode-hooks(org-mode-hook)
      org-mode()
      [...]

I see the expected "run-mode-hooks(org-mode-hook)" in this backtrace
but where is the corresponding form in the function org-mode?

Second, I guess it is not necessary to implement something like
org-mode-early-hook but I could not find yet an existing hook. Which
hook would you recommend for inserting the leading stars?

Michael

  reply	other threads:[~2013-11-24 13:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-11 16:41 Opening an Org file slowed down Michael Brand
2013-11-11 17:02 ` Bastien
2013-11-24 16:36   ` Nicolas Goaziou
2013-11-22 14:57 ` Michael Brand
2013-11-23 10:52   ` Nicolas Goaziou
2013-11-24 13:49     ` Michael Brand [this message]
2013-11-24 16:25       ` Nicolas Goaziou
2013-11-25 18:45         ` Michael Brand
2013-11-26 17:28     ` Nicolas Goaziou
2013-11-26 19:53       ` Michael Brand
2013-11-26 20:09         ` Nicolas Goaziou
2013-11-26 20:50           ` Michael Brand
2013-11-26 22:19             ` Nicolas Goaziou
2013-11-27  9:24               ` Michael Brand
2013-11-27 11:27                 ` Nicolas Richard
2013-11-27 13:35                   ` Michael Brand
2013-11-27 17:10                     ` Nicolas Richard
2013-11-27 22:06                     ` Achim Gratz
2013-11-28  9:29                       ` Nicolas Richard
2013-11-28 17:37                       ` Michael Brand
2013-11-27 18:13                 ` Achim Gratz
2013-11-27 19:44                   ` Michael Brand
2013-11-27 20:05                     ` Achim Gratz
2013-11-27 20:34                       ` Michael Brand

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