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bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00e
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From: |
Clément Pit--Claudel |
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Subject: |
bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00ef86fac835b5fac (Apr 2014). |
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Date: |
Thu, 21 Jul 2016 10:33:46 -0400 |
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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.
Ok; thanks very much for clarifying!
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