From: Eli Zaretskii <eliz@gnu.org>
To: Phil Sainty <psainty@orcon.net.nz>
Cc: 23801@debbugs.gnu.org
Subject: bug#23801: 25.0.95; term.el redraws extremely slow with bidi support enabled, and large buffers
Date: Mon, 20 Jun 2016 18:05:29 +0300 [thread overview]
Message-ID: <83y45z7veu.fsf@gnu.org> (raw)
In-Reply-To: <5767FF42.10208@orcon.net.nz> (message from Phil Sainty on Tue, 21 Jun 2016 02:35:46 +1200)
> From: Phil Sainty <psainty@orcon.net.nz>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Tue, 21 Jun 2016 02:35:46 +1200
>
> I believe the terminal screen refreshes which exhibit the issue
> are performed by inserting spaces (with a background colour).
Is background color really necessary?
> It turns out that we can demonstrate this issue without any other
> programs, simply by inserting spaces (or tabs).
>
> Most critically, inserting non-whitespace characters does NOT
> cause performance issues! (At least not the ones I've tried.)
Thanks, this finally begins to make sense. I will look into this when
I have time.
next prev parent reply other threads:[~2016-06-20 15:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-19 10:04 bug#23801: 25.0.95; term.el redraws extremely slow with bidi support enabled, and large buffers Phil Sainty
2016-06-19 16:26 ` Eli Zaretskii
2016-06-19 23:41 ` Phil Sainty
2016-06-20 0:00 ` Phil Sainty
2016-06-20 14:35 ` Phil Sainty
2016-06-20 15:05 ` Eli Zaretskii [this message]
2016-06-21 18:47 ` Eli Zaretskii
2016-06-22 13:13 ` Phil Sainty
2016-06-22 15:27 ` Eli Zaretskii
2016-06-26 0:35 ` Phil Sainty
2016-06-26 16:45 ` Eli Zaretskii
2016-06-26 16:45 ` Eli Zaretskii
2016-06-20 14:28 ` Eli Zaretskii
2016-06-20 15:07 ` Phil Sainty
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