GNU bug report logs - #18522
occasional slow performance in some Gnus code

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From: Peter Münster <pmlists <at> free.fr>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 18522 <at> debbugs.gnu.org
Subject: bug#18522: 24.4.50; mapcar is very slow
Date: Thu, 25 Sep 2014 23:36:36 +0200

[Message part 1 (text/plain, inline)]

On Mon, Sep 22 2014, Peter Münster wrote:

>> Could you use the native, sampling, profiler instead of ELP?
>>
>> - M-x profiler-start RET RET
>> - ... reproduce the slow operation ...
>> - M-x profiler-report RET
>> - C-u RET on the first entry to unfold it
>
> Yes. I'll do that in some days, when mapcar becomes slow again.

Hi,

Please find attached 2 files with profiler-reports when entering a Gnus
group:
- profiler-slow.txt: entering a group is slow, and emacs was uptime since
  about 3 days
- profiler-fast.txt: entering the same group after a fresh restart of emacs

-- 
           Peter

[profiler-slow.txt (text/plain, attachment)]

[profiler-fast.txt (text/plain, attachment)]

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