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bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00e
From: |
Clément Pit--Claudel |
Subject: |
bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00ef86fac835b5fac (Apr 2014). |
Date: |
Sat, 23 Jul 2016 16:50:04 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
On 2016-07-21 10:21, Eli Zaretskii wrote:
>> Cc: dmantipov@yandex.ru, 21028@debbugs.gnu.org
>> From: Clément Pit--Claudel <clement.pitclaudel@live.com>
>> Date: Wed, 20 Jul 2016 17:26:02 -0400
>>
>> I've made more progress towards making this reproducible, too. My current
>> repro requires XITS Math
>> (https://github.com/khaledhosny/xits-math/blob/master/xits-mathbold.otf),
>> and Segoe UI Emoji. Do you have a machine with that font? If so, could you
>> try the following?
>>
>> emacs-24.5 -Q -mm -l 21028.el 21028 -f prettify-symbols-mode
>>
>> I've attached 21028.el and 21028. When I run this command, each full
>> redisplay takes about 5 seconds; same for pointer motion.
>
> Thanks. I think the evidence and the profiling data you presented
> quite clearly indicate where the problem is. So I think the efforts
> should now be directed towards reproducing bug#17125 and then solving
> it in some other way that doesn't suffer from performance problems.
I have tried the recipe posted in 17125, but I cannot reproduce it (despite
having reverted af1a69f4d17a482c359d98c00ef86fac835b5fac).
Dmitry, is this the right recipe?
$ emacs -no-site-file -no-init-file --daemon=test
Warning: due to a long standing Gtk+ bug
http://bugzilla.gnome.org/show_bug.cgi?id=85715
Emacs might crash when run in daemon mode and the X11 connection is
unexpectedly lost.
Using an Emacs configured with --with-x-toolkit=lucid does not have this
problem.
Starting Emacs daemon.
$ emacsclient -nc -s test
(exit with C-x 5 0)
$ emacsclient -nc -s test
(exit with C-x 5 0)
$ emacsclient -nc -s test
(exit with C-x 5 0)
Cheers,
Clément.
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