From: Eli Zaretskii <eliz@gnu.org>
To: Alan Mackenzie <acm@muc.de>
Cc: rudalics@gmx.at, johnw@gnu.org, emacs-devel@gnu.org
Subject: Re: 78% speed up in CC Mode scrolling.
Date: Sun, 03 Jul 2016 22:27:54 +0300 [thread overview]
Message-ID: <8337nqr079.fsf@gnu.org> (raw)
In-Reply-To: <20160703182957.GA4923@acm.fritz.box> (message from Alan Mackenzie on Sun, 3 Jul 2016 18:29:57 +0000)
> Date: Sun, 3 Jul 2016 18:29:57 +0000
> From: Alan Mackenzie <acm@muc.de>
>
> Scrolling through emacs-25's xdisp.c, I get the following timings:
> emacs-25 branch: 45.529s
> master branch: 25.529s
>
> This is a speedup of around 78%.
Please show your benchmark code, and please tell which compiler
options were used to build Emacs. Otherwise, I don't know how to
reproduce this.
> If you frequently hold down C-v or M-v, you are recommended to set
> `fast-but-imprecise-scrolling' to non-nil.
What does this recommendation have to do with the speedup?
Thanks.
next parent reply other threads:[~2016-07-03 19:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160703182957.GA4923@acm.fritz.box>
2016-07-03 19:27 ` Eli Zaretskii [this message]
2016-07-03 19:39 ` 78% speed up in CC Mode scrolling Alan Mackenzie
2016-07-05 9:27 ` Benchmarking (was: 78% speed up in CC Mode scrolling.) Nicolas Richard
2016-07-07 16:17 ` 78% speed up in CC Mode scrolling martin rudalics
2016-07-07 19:20 ` Alan Mackenzie
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