GNU bug report logs - #24938
25.1; 25.1 slow cursor movement with Unicode on Windows

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Package: emacs;

Reported by: "Peromsik, Aaron" <peromsik <at> ptc.com>

Date: Sun, 13 Nov 2016 20:14:02 UTC

Severity: normal

Found in version 25.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #16 received at 24938-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Peromsik\, Aaron" <peromsik <at> ptc.com>
Cc: 24938-done <at> debbugs.gnu.org
Subject: Re: bug#24938: 25.1; 25.1 slow cursor movement with Unicode on Windows
Date: Mon, 14 Nov 2016 05:33:38 +0200

> From: "Peromsik, Aaron" <peromsik <at> ptc.com>
> CC: "24938 <at> debbugs.gnu.org" <24938 <at> debbugs.gnu.org>
> Date: Sun, 13 Nov 2016 21:43:50 +0000
> 
> Yes, that's much better. Thanks!

OK, closing.

> (Though it does raise the question... how many times should font caches be compacted while the user moves the mouse across lines which are already displayed on the screen?)

With some fonts, the cache is compacted on every GC, and GC happens
very frequently.  So in your case, the answer is probably "every
cursor movement".
This bug report was last modified 8 years and 185 days ago.

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