From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Ulrich Mueller <ulm@gentoo.org>
Cc: Alan Mackenzie <acm@muc.de>, emacs-devel@gnu.org
Subject: Re: Scrolling xdisp.c. Room for optimisation in syntax.c/CC Mode.
Date: Sun, 19 Oct 2014 21:41:51 -0400 [thread overview]
Message-ID: <jwviojfcyc6.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <21571.59590.312221.336635@a1i15.kph.uni-mainz.de> (Ulrich Mueller's message of "Sun, 19 Oct 2014 18:37:26 +0200")
> I don't see such a large degradation of performance between 24.3 and
> trunk here.
> no-odd-xdisp.c:
> 22.3: 415 scrolls, total time = 14.469409942626953s.
> 23.4: 415 scrolls, total time = 14.116178750991821s.
> 24.3: 415 scrolls, total time = 45.48526978492737s.
> 24.4-rc1: 415 scrolls, total time = 44.03023886680603s.
> 25.0.50: 415 scrolls, total time = 45.08613348007202s.
> xdisp.c:
> 22.3: 415 scrolls, total time = 14.692334413528442s.
> 23.4: 415 scrolls, total time = 14.051368474960327s.
> 24.3: 415 scrolls, total time = 50.858959674835205s.
> 24.4-rc1: 415 scrolls, total time = 58.63706636428833s.
> 25.0.50: 415 scrolls, total time = 59.3416690826416s.
> Tests were done with emacs -Q -nw in an xterm, 80 columns times
> 80 lines.
Which version of cc-mode was used? The one bundled with the respective
Emacs version or is it always the same version (presumably the
standalone version of CC-mode)?
Stefan
next prev parent reply other threads:[~2014-10-20 1:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-18 18:19 Scrolling xdisp.c. Room for optimisation in syntax.c/CC Mode Alan Mackenzie
2014-10-18 20:28 ` Alan Mackenzie
2014-10-19 16:37 ` Ulrich Mueller
2014-10-19 17:49 ` Eli Zaretskii
2014-10-19 18:05 ` Ulrich Mueller
2014-10-20 1:41 ` Stefan Monnier [this message]
2014-10-20 7:24 ` Ulrich Mueller
2014-10-20 15:45 ` Stefan Monnier
2014-10-20 16:55 ` Ulrich Mueller
2014-10-20 7:29 ` martin rudalics
2014-10-20 11:47 ` Alan Mackenzie
2014-10-20 12:05 ` martin rudalics
2014-10-20 12:22 ` Óscar Fuentes
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