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bug#18522: 24.4.50; mapcar is very slow
From: |
Nicolas Richard |
Subject: |
bug#18522: 24.4.50; mapcar is very slow |
Date: |
Fri, 19 Feb 2016 11:06:32 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> So a better benchmark is this:
>
> (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).
in my 9 days uptime session, I get (18.433154005 0 0.0)
from -Q I get : (7.823626407 0 0.0)
from a fresh emacs session where I forcibly loaded libraries similar to
my 9-days-old one, I get: (8.661741842 0 0.0)
Perhaps I should go back to optimized builds instead... other than that,
it seems that there is indeed a problem with the older session.
--
Nicolas
- 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, 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, Eli Zaretskii, 2016/02/19
- bug#18522: 24.4.50; mapcar is very slow,
Nicolas Richard <=
- 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
- bug#18522: 24.4.50; mapcar is very slow, martin rudalics, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Michael Heerdegen, 2016/02/21