GNU bug report logs - #12796
Optimize `ido-completing-read' for larger lists with flex matching enabled

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Message #14 received at 12796 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: 12796 <at> debbugs.gnu.org
Subject: Re: bug#12796: Optimize `ido-completing-read' for larger lists with
	flex matching enabled
Date: Sun, 04 Nov 2012 21:05:10 +0400

On 04.11.2012 17:53, Stefan Monnier wrote:
>> If I decide to type quickly but make a typo in one of the first characters,
>> I often need to wait a few seconds until I can fix the typo or start anew.
>
> `while-no-input' (which AFAICT is used by ido) is supposed to interrupt
> the computation as soon as you type the next input so you don't need
> to wait.
>
> Are you saying that while-no-input doesn't work?

I only see `while-no-input' used in one place there: in 
`ido-make-merged-file-list', and that function is only used in 
`find-file' mode.

So yeah, using it around matching loops in `ido-set-matches-1' might be 
another way to optimize, provided the overhead is not too much.

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