From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bastien <bzg@altern.org>
Subject: Re: M-RET slow
Date: Fri, 26 Apr 2013 17:20:43 +0200
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In-Reply-To: <87a9ol73cu.fsf@gmail.com> (Nicolas Goaziou's message of "Fri, 26
	Apr 2013 16:50:41 +0200")
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To: Nicolas Goaziou <n.goaziou@gmail.com>
Cc: emacs-orgmode@gnu.org, Carsten Dominik <carsten.dominik@gmail.com>

Hi Nicolas,

Nicolas Goaziou <n.goaziou@gmail.com> writes:

> Hello,
>
> Bastien <bzg@altern.org> writes:
>
>> Carsten Dominik <carsten.dominik@gmail.com> writes:
>>
>>> is org-in-item-p slow?
>>
>> It depends on the size of the list -- see for example this problem,
>> where moving an item within a logbook drawer with many items is too
>> slow:
>>
>> http://thread.gmane.org/gmane.emacs.orgmode/66574
>
> This is a different issue. `org-move-item-down' doesn't use
> `org-in-item-p'. The bottleneck here is, without surprise,
> `org-list-struct', as explained in the comments at the beginning of
> "org-list.el".

I see.  `org-at-item-p' is less expensive than `org-in-item-p' but 
still very expensive as it calls `org-list-in-valid-context-p'.

-- 
 Bastien