From: Alan Mackenzie <acm@muc.de>
To: "Clément Pit--Claudel" <clement.pit@gmail.com>
Cc: Andreas Schwab <schwab@suse.de>, Emacs developers <emacs-devel@gnu.org>
Subject: Re: What makes set-window-buffer slow?
Date: Thu, 23 Jun 2016 18:12:42 +0000 [thread overview]
Message-ID: <20160623181242.GB4946@acm.fritz.box> (raw)
In-Reply-To: <576C2054.3020705@gmail.com>
Hello, Clément.
On Thu, Jun 23, 2016 at 01:45:56PM -0400, Clément Pit--Claudel wrote:
> Thanks for this suggestion! I probably have to investigate why
> redisplay is slow, then; that's bound to be rather tricky :/
Redisplay is NOT slow. It's written in C and is heavily optimised.
> Is there a reason for set-window-buffer to trigger redisplay if the window was already displaying that same buffer?
I can't answer your exact question, but should redisplay get triggered
in these circumstances, its optimisations would ensure that the reusable
part of the display would, in fact, get reused.
> Clément.
--
Alan Mackenzie (Nuremberg, Germany).
next prev parent reply other threads:[~2016-06-23 18:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-23 15:48 What makes set-window-buffer slow? Clément Pit--Claudel
2016-06-23 16:01 ` Andreas Schwab
2016-06-23 17:45 ` Clément Pit--Claudel
2016-06-23 18:12 ` Alan Mackenzie [this message]
2016-06-23 18:30 ` Clément Pit--Claudel
2016-06-23 19:11 ` Eli Zaretskii
2016-06-23 21:23 ` Clément Pit--Claudel
2016-06-24 6:54 ` Eli Zaretskii
2016-06-24 12:33 ` Clément Pit--Claudel
2016-06-24 13:56 ` Eli Zaretskii
2016-06-24 14:19 ` Clément Pit--Claudel
2016-06-24 18:31 ` Clément Pit--Claudel
2016-06-24 19:13 ` Eli Zaretskii
2016-06-24 21:33 ` Clément Pit--Claudel
2016-06-25 7:30 ` Eli Zaretskii
2016-06-25 14:07 ` Clément Pit--Claudel
2016-06-25 14:27 ` Eli Zaretskii
2016-06-25 14:39 ` Eli Zaretskii
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