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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: Sat, 20 Feb 2016 09:46:23 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>   (let ((gc-cons-threshold most-positive-fixnum))
>     (benchmark-run 1
>       (dotimes (i 10000)
>       (parse-time-string "Fri, 13 Feb 2015 14:40:02 +0000"))))
>
> FWIW, this takes 1.2 sec in a fresh "emacs -Q", and 2.0 sec in a
> full-blown session running for 5 days.  That's clearly different from
> the data presented by Peter (but I don't use Gnus).

Well, it's almost twice as slow in a five day old Emacs...  doesn't that
show that something weird is going on somewhere?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





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