Re: ido slow for outline path completion

From: Carsten Dominik <dominik@science.uva.nl>
To: Samuel Wales <samologist@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: ido slow for outline path completion
Date: Fri, 19 Dec 2008 09:39:58 +0100	[thread overview]
Message-ID: <79368DAE-A865-485B-B0A3-E7952C80940B@uva.nl> (raw)
In-Reply-To: <20524da70812181557m79252c30hc941fe5965f917e8@mail.gmail.com>

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Hi Samuel,
>
> However, when I do org-refile as full path (not basenames),
> it sometimes takes 45 seconds.

Could you sent a test file for this?  I cannot reproduce it.

- Carsten

>
>
> I haven't narrowed it down yet.  Emacs just freezes.
>
> Every character I type from that point on takes another 45
> seconds or so.  Deletes also take that long until I get back
> to the place where it was fast.  At that point it is fast
> again.
>
> The difference from before is that before, it occurred
> before the minibuffer showed the candidates, while now it
> occurs in the middle of entering the selection string.
>
> Discontiguity might something to do with it -- sometimes it
> happens when the character typed is different from the next
> char in the target.  Maybe the candidate list needs lots of
> searching in that case.  Maybe it is starting from the
> beginning to match against the path?
>
> I have not noticed this happening when I use basenames in
> org-refile ido.  This leads me to conjecture that it might
> be the size of the full paths.  Maybe too much stuff for the
> ido flex matcher to consider.  uniquify-style disambiguation
> might help by reducing the number of characters.
>
> It might or might not have something to do with typing a
> space that exists next in the target -- or not typing the
> same.  Another possible hint is that sometimes, typing a
> space inserts a slash.  Not sure why.
>
> As I said, I have not narrowed down the exact cases.  If you
> have a priori ideas, please let me know and I will try them.
>
> Thank you very much.
>
> -- 
> Myalgic encephalomyelitis denialists are knowingly causing further
> suffering and death by opposing biomedical research on this serious
> infectious disease.  Do you care about the world?
> http://www.meactionuk.org.uk/What_Is_ME_What_Is_CFS.htm

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