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From: Eli Zaretskii <eliz@gnu.org>
To: Kai Ma <justksqsf@gmail.com>
Cc: 71454@debbugs.gnu.org
Subject: bug#71454: 30.0.50; Performance issues with font selection
Date: Mon, 10 Jun 2024 14:58:01 +0300	[thread overview]
Message-ID: <864ja19fhy.fsf@gnu.org> (raw)
In-Reply-To: <D0616033-B8BD-4260-91A9-2C89347DC0BE@gmail.com> (message from Kai Ma on Sun, 9 Jun 2024 20:56:47 +0200)

> From: Kai Ma <justksqsf@gmail.com>
> Date: Sun, 9 Jun 2024 20:56:47 +0200
> 
> I have currently (length (font-family-list)) = 582 font families
> installed. And whenever I input some ununsual characters, Emacs will
> freeze for seconds until I am able to do anything else.  Worse, the
> freeze delay for each character will add up.  And whenver the face
> changes (including hl-line-mode), or I switched to another buffer for
> some time, there will be a delay again.

FTR, I have 553 font families, and I see no significant delay when
pasting the characters you show.

> I'm pretty sure this is due to font selection, because Emacs won't
> freeze if I configure manually the fallback fonts for each 'exotic'
> script I encounter.

If this is the case, please tell the details: which fonts you need to
configure manually to eliminate the delay.





  parent reply	other threads:[~2024-06-10 11:58 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-09 18:56 bug#71454: 30.0.50; Performance issues with font selection Kai Ma
2024-06-09 22:10 ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-09 22:17   ` Kai Ma
2024-06-09 22:34     ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-10  2:14       ` Kai Ma
2024-06-10 12:04         ` Eli Zaretskii
2024-06-09 23:10     ` Jim Porter
2024-06-10  2:18       ` Kai Ma
2024-06-10 11:53         ` Eli Zaretskii
2024-06-10 16:31           ` Jim Porter
2024-06-10 17:35             ` Eli Zaretskii
2024-06-10 11:55     ` Eli Zaretskii
2024-06-10 12:35       ` Kai Ma
2024-06-10 12:59         ` Eli Zaretskii
2024-06-10 16:42           ` Gerd Möllmann
2024-06-10 17:36             ` Kai Ma
2024-06-10 18:05               ` Gerd Möllmann
2024-06-10 11:58 ` Eli Zaretskii [this message]
2024-06-10 12:34   ` Kai Ma
2024-06-10 13:03     ` Eli Zaretskii

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