From: Eli Zaretskii <eliz@gnu.org>
To: Sebastien Vauban <sva-news@mygooglest.com>
Cc: 14966@debbugs.gnu.org
Subject: bug#14966: 24.3.50; Char-displayable-p is a very long running function
Date: Sat, 27 Jul 2013 13:49:08 +0300 [thread overview]
Message-ID: <83bo5oz3a3.fsf@gnu.org> (raw)
In-Reply-To: <86d2q4e3m5.fsf@somewhere.org>
> From: "Sebastien Vauban" <sva-news@mygooglest.com>
> Date: Sat, 27 Jul 2013 11:47:30 +0200
>
> When looking at the performance of my .emacs at startup time, I've noticed
> that (char-displayable-p) takes around 400 ms (!) to execute itself...
It calls the font driver to actually encode the character. That could
look up several fonts. FWIW, I see 219 ms on my i7 Windows desktop.
Unless char-displayable-p is called in an inner loop (is it?), this
shouldn't really matter, should it?
next prev parent reply other threads:[~2013-07-27 10:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-27 9:47 bug#14966: 24.3.50; Char-displayable-p is a very long running function Sebastien Vauban
2013-07-27 10:49 ` Eli Zaretskii [this message]
2013-07-27 11:59 ` Andreas Schwab
2013-07-27 14:21 ` Stefan Monnier
[not found] ` <mailman.1908.1374926410.12400.bug-gnu-emacs@gnu.org>
2013-07-29 8:10 ` Sebastien Vauban
2013-07-29 16:24 ` Eli Zaretskii
2020-11-18 15:24 ` Stefan Kangas
2020-11-18 17:13 ` Eli Zaretskii
2020-11-18 18:29 ` Stefan Kangas
[not found] ` <mailman.1910.1374927252.12400.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.1910.1374927252.12400.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-07-29 8:18 ` Sebastien Vauban
[not found] ` <mailman.1923.1374934927.12400.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.1923.1374934927.12400.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-07-29 8:19 ` Sebastien Vauban
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