From: Eli Zaretskii <eliz@gnu.org>
To: bojohan@gnu.org, 9771@debbugs.gnu.org
Subject: bug#9771: 24.0.90; Redisplay problems with control characters
Date: Thu, 20 Oct 2011 14:43:45 +0200 [thread overview]
Message-ID: <834nz3u932.fsf@gnu.org> (raw)
In-Reply-To: <83lisiutha.fsf@gnu.org>
> Date: Tue, 18 Oct 2011 18:58:41 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 9771@debbugs.gnu.org
>
> > Date: Tue, 18 Oct 2011 08:56:34 -0400
> > From: Eli Zaretskii <eliz@gnu.org>
> > Cc: 9771@debbugs.gnu.org
> >
> > Anyway, this being so, I found a way to optimize a couple of expensive
> > loops inside bidi.c for the important special case of a plain L2R text
> > in the buffer. With these optimizations, the bidi redisplay of the
> > entire window showing a buffer with 2000 binary nulls is only a few
> > milliseconds slower than the unidirectional one.
> >
> > I will install those changes later today, after some more testing.
>
> Done (revision 106124 on the trunk).
For the record, revision 106151 speeds up the bidi display in a more
general class of use cases. (Previously, appending some character,
like `a', to the 2000 nulls in the original example would still slow
down redisplay, even after the changes in r106124.)
next prev parent reply other threads:[~2011-10-20 12:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-16 22:24 bug#9771: 24.0.90; Redisplay problems with control characters Johan Bockgård
2011-10-17 7:48 ` Eli Zaretskii
2011-10-17 14:18 ` Eli Zaretskii
2011-10-17 21:04 ` Johan Bockgård
2011-10-18 12:56 ` Eli Zaretskii
2011-10-18 16:58 ` Eli Zaretskii
2011-10-20 12:43 ` Eli Zaretskii [this message]
2011-10-19 1:06 ` Johan Bockgård
2011-10-19 11:49 ` Eli Zaretskii
2011-10-17 17:06 ` Eli Zaretskii
2011-10-17 19:16 ` Eli Zaretskii
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