GNU bug report logs - #41200
Displaying a tooltip with x-show-tip gets very slow as more faces are defined

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Package: emacs;

Reported by: Clément Pit-Claudel <cpitclaudel <at> gmail.com>

Date: Tue, 12 May 2020 04:31:01 UTC

Severity: normal

Tags: moreinfo, patch

Merged with 41267

Found in version 26.3

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #88 received at 41200 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Clément Pit-Claudel <cpitclaudel <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 41200 <at> debbugs.gnu.org
Subject: Re: bug#41200: Displaying a tooltip with x-show-tip gets very slow
 as more faces are defined
Date: Fri, 15 May 2020 17:23:17 -0400

> Interesting.  I also wonder whether we could fast-track the case where the
> face spec is a vector full of 'undefined, since that seems to be the
> common case.

I was thinking also of the case where no face specs have changed and the
frame is "normal" (same frame properties as others, basically) so we
could re-use the faces from another frame.

[ After all, my Emacs sessions typically have dozens of frames, and only
  one of them (a minibuffer-only frame) has faces setup differently
  because it's configured to use a slightly larger font.  ]


        Stefan
This bug report was last modified 3 years and 304 days ago.

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