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bug#18522: 24.4.50; mapcar is very slow
From: |
Lars Ingebrigtsen |
Subject: |
bug#18522: 24.4.50; mapcar is very slow |
Date: |
Fri, 19 Feb 2016 16:15:08 +1100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Peter Münster <pmlists@free.fr> writes:
>> (benchmark-run 1
>> (dotimes (i 10000)
>> (parse-time-string "Fri, 13 Feb 2015 14:40:02 +0000")))
>>
>> run faster in a newly started Emacs than in one that has been running
>> for a long time?
>
> Hi Lars,
>
> It becomes slower and slower:
[...]
> after 1 day uptime:
> (3.744592118 19 1.5007945239999572)
> (3.741772863 19 1.5062292100001287)
> (3.744434861 19 1.4990475370001377)
>
> after 2 days uptime:
> (5.104874753 18 1.5796559729999444)
> (5.244741606 20 1.7344523149997713)
> (5.166454389 19 1.6512688520001575)
>
> after 3 days uptime:
> (7.111809223 17 1.6411146469995401)
> (7.200519214 17 1.6629621439999482)
> (7.086889831 18 1.7155860500001836)
Cool! Then at least we've found the culprit. :-)
Now we just have to find out why. Does anybody have any idea? Could
somebody else also try running the benchmark form up there in a newly
started Emacs and one that's been running for a while to see if they can
reproduce this bug?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#18522: 24.4.50; mapcar is very slow, Lars Ingebrigtsen, 2016/02/07
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/17
- bug#18522: 24.4.50; mapcar is very slow,
Lars Ingebrigtsen <=
- bug#18522: 24.4.50; mapcar is very slow, Peder O. Klingenberg, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow, Nicolas Richard, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow, Peder O. Klingenberg, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow, Lars Ingebrigtsen, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/20
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/20
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/20
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Andreas Schwab, 2016/02/21