GNU bug report logs - #48841
fido-mode is slower than ido-mode with similar settings

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Message #32 received at 48841 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: João Távora <joaotavora <at> gmail.com>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 48841 <at> debbugs.gnu.org
Subject: Re: bug#48841: fido-mode is slower than ido-mode with similar settings
Date: Sun, 6 Jun 2021 19:54:58 +0300

On 06.06.2021 09:59, João Távora wrote:
> Very true, but here's the suprise: In the flex style, there are a_lot_
> of "possible completions" for the null or very short patterns.  So those
> calculations -- which were more than certainly thought up for prefix-ish
> styles -- are quite slow (and also quite useless for flex).  At least
> that's my theory.

try-completion doesn't trigger any completion style machinery; only 
completion-try-completion does.

And are we talking about the 'try-completion' call which is guarded with 
(when icomplete-hide-common-prefix ...)?

icomplete--fido-mode-setup sets that variable to nil.

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