From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: acm@muc.de, johnw@gnu.org, emacs-devel@gnu.org
Subject: Re: 33% speed up in CC Mode scrolling.
Date: Mon, 27 Jun 2016 22:31:26 +0300 [thread overview]
Message-ID: <83furyxwc1.fsf@gnu.org> (raw)
In-Reply-To: <57715AE5.3030109@gmx.at> (message from martin rudalics on Mon, 27 Jun 2016 18:57:09 +0200)
> Date: Mon, 27 Jun 2016 18:57:09 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: acm@muc.de, johnw@gnu.org, emacs-devel@gnu.org
>
> >> This change has hardly any effect here. Scrolling xdisp.c with a '-O0
> >> -g2 -gdwarf-2' build run via emacs -Q is still virtually impossible.
> >
> > What exactly does "scrolling xdisp.c [...] is still virtually
> > impossible" mean? How do you scroll?
>
> By leaning on the <next> key which runs ‘scroll-up-command’.
Then don't lean.
Once you get past the initial large comment, the scrolling becomes
more responsive. And I definitely do see a visible speedup when I set
font-lock-maximum-decoration to 2. An unoptimized 32-build with
wide-ints here.
next prev parent reply other threads:[~2016-06-27 19:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-15 22:20 33% speed up in CC Mode scrolling Alan Mackenzie
2016-06-16 0:41 ` John Wiegley
2016-06-16 1:02 ` Clément Pit--Claudel
2016-06-16 23:15 ` Richard Stallman
2016-06-17 15:38 ` Alan Mackenzie
2016-06-19 17:21 ` Richard Stallman
2016-06-20 0:44 ` Stefan Monnier
2016-06-20 23:04 ` Richard Stallman
2016-06-21 0:47 ` Stefan Monnier
2016-06-22 6:34 ` Richard Stallman
2016-06-27 6:31 ` martin rudalics
2016-06-27 12:49 ` Alan Mackenzie
2016-06-27 16:10 ` martin rudalics
2016-06-27 17:28 ` martin rudalics
2016-06-27 18:44 ` Alan Mackenzie
2016-06-28 8:23 ` martin rudalics
2016-06-28 10:27 ` Alan Mackenzie
2016-06-27 16:28 ` Eli Zaretskii
2016-06-27 16:57 ` martin rudalics
2016-06-27 19:31 ` Eli Zaretskii [this message]
2016-06-28 8:23 ` martin rudalics
2016-06-28 9:18 ` Alan Mackenzie
2016-06-28 13:03 ` bug#23861: 25.1.50; fast-but-imprecise-scrolling: What does "somewhat inaccurate" mean? Phil Sainty
2016-06-28 16:14 ` Eli Zaretskii
2019-10-14 12:35 ` Stefan Kangas
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