From: Eli Zaretskii <eliz@gnu.org>
To: Will Bush <will.g.bush@gmail.com>
Cc: contovob@tcd.ie, rpluim@gmail.com, 40733@debbugs.gnu.org,
cloos@jhcloos.com
Subject: bug#40733: 28.0.50; Emacs locks up on paste (yank) of unicode characters
Date: Sat, 25 Apr 2020 16:50:59 +0300 [thread overview]
Message-ID: <83v9ln7jy4.fsf@gnu.org> (raw)
In-Reply-To: <CA+aYz4Q==6x0KJh7uf1v8wU95Qyo+1uSZ7FgYLutuBk3SigXpw@mail.gmail.com> (message from Will Bush on Sat, 25 Apr 2020 05:34:23 -0500)
> From: Will Bush <will.g.bush@gmail.com>
> Date: Sat, 25 Apr 2020 05:34:23 -0500
> Cc: "Basil L. Contovounesios" <contovob@tcd.ie>, 40733@debbugs.gnu.org,
> James Cloos <cloos@jhcloos.com>
>
> Eli> I'm not sure I understand: you are saying that slow, but correct
> Eli> display is _worse_ than displaying a white space instead of the
> Eli> correct glyph, i.e. producing incorrect display? To me, it sounds
> Eli> like Emacs 27+ actually _improves_ things in this case.
>
> Let me quantify the performance because I've been ambiguous about it so far:
>
> λ ~/ time emacs -Q --eval '(message "hi")' -kill
> emacs -Q --eval '(message "hi")' -kill 0.19s user 0.02s system 55% cpu 0.371 total
> λ ~/ time emacs -Q --eval '(message "︵")' -kill
> emacs -Q --eval '(message "︵")' -kill 81.64s user 0.03s system 99% cpu 1:21.91 total
>
> It takes ~81 seconds to do something while locking up the UI. That's personally
> beyond my threshold for killing the process.
It would be good to know what happens in Emacs during those 88
seconds. Please try using "M-x profiler" to find out.
next prev parent reply other threads:[~2020-04-25 13:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 11:05 bug#40733: 28.0.50; Emacs locks up on paste (yank) of unicode characters Will Bush
2020-04-20 15:52 ` Robert Pluim
2020-04-20 16:13 ` Eli Zaretskii
2020-04-20 21:27 ` Will Bush
2020-04-20 20:20 ` Alan Third
2020-04-20 22:48 ` Basil L. Contovounesios
2020-04-21 10:01 ` Robert Pluim
2020-04-21 12:19 ` Will Bush
2020-04-21 13:19 ` Robert Pluim
2020-04-21 19:35 ` James Cloos
2020-04-22 7:35 ` Robert Pluim
2020-04-25 10:34 ` Will Bush
[not found] ` <CA+aYz4RNB1-g5uUz-M-XuJEhZPGpA4X6n8NSiTCUdOMkpReFng@mail.gmail.com>
2020-04-25 13:34 ` bug#40733: Fwd: " Will Bush
2020-04-25 13:50 ` Eli Zaretskii [this message]
2020-04-29 11:59 ` Will Bush
2020-04-29 12:16 ` Eli Zaretskii
2020-04-29 12:42 ` Will Bush
2020-04-29 12:50 ` Robert Pluim
2020-04-29 14:30 ` Eli Zaretskii
2020-06-01 11:19 ` Will Bush
2020-06-01 11:44 ` Pip Cet
2020-06-01 15:15 ` Eli Zaretskii
2020-06-01 15:50 ` Pip Cet
2022-04-24 14:20 ` Lars Ingebrigtsen
2022-05-18 3:39 ` Will Bush
2022-05-18 11:18 ` Eli Zaretskii
2022-06-15 12:40 ` Lars Ingebrigtsen
2022-06-19 21:05 ` Will Bush
2022-06-19 22:25 ` Lars Ingebrigtsen
2020-04-21 14:29 ` Eli Zaretskii
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