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From: Paul Eggert <eggert@cs.ucla.edu>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Dmitry Antipov <dmantipov@yandex.ru>, emacs-devel@gnu.org
Subject: Re: Long lines and bidi
Date: Mon, 11 Feb 2013 15:55:04 -0800	[thread overview]
Message-ID: <511984D8.1010600@cs.ucla.edu> (raw)
In-Reply-To: <83d2w66bm8.fsf@gnu.org>

On 02/11/13 08:47, Eli Zaretskii wrote:
> we should NOT regard this as any kind of solution for the long-lines
> problem with the current display engine.

Yes, the memchr/memrchr improvement is a relatively minor
performance improvement; I suggested it primarily
because it's easy to do and doesn't complicate Emacs proper.
I pushed it into the trunk as bzr 111741.

By the way, in reviewing this area it appears to me that
there must be a bug in the code that caches newline locations
when searching backwards.  The above performance improvement
doesn't affect this bug.  I'll try to follow up on this soon.



  reply	other threads:[~2013-02-11 23:55 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-03 22:05 bug#13623: 24.3.50; Redisplay issue with transient-mark-mode Lawrence Mitchell
2013-02-04 15:49 ` Eli Zaretskii
2013-02-04 17:20   ` Lawrence Mitchell
2013-02-04 18:10     ` Eli Zaretskii
2013-02-05  4:54   ` Dmitry Antipov
2013-02-05 12:07     ` Dmitry Antipov
2013-02-05 17:46       ` Eli Zaretskii
2013-02-05 17:45     ` Eli Zaretskii
2013-02-06  7:16       ` Dmitry Antipov
2013-02-06 14:31         ` Stefan Monnier
2013-02-06 15:14           ` Dmitry Antipov
2013-02-06 18:04             ` Eli Zaretskii
2013-02-06 18:23             ` Eli Zaretskii
2013-02-06 20:30               ` Stefan Monnier
2013-02-07  3:41                 ` Eli Zaretskii
2013-02-08 13:33               ` Long lines and bidi [Was: Re: bug#13623: ...] Dmitry Antipov
2013-02-08 14:07                 ` Eli Zaretskii
2013-02-08 14:46                   ` Long lines and bidi Eli Zaretskii
2013-02-08 16:38                     ` Dmitry Antipov
2013-02-08 16:52                       ` Eli Zaretskii
2013-02-09  3:34                         ` Paul Eggert
2013-02-09  8:46                           ` Eli Zaretskii
2013-02-09  9:05                             ` Paul Eggert
2013-02-09  9:33                               ` Eli Zaretskii
2013-02-11  2:33                                 ` Paul Eggert
2013-02-09 10:01                               ` Eli Zaretskii
2013-02-10 16:57                                 ` Eli Zaretskii
2013-02-11  5:43                                   ` Dmitry Antipov
2013-02-11  7:54                                     ` Dmitry Antipov
2013-02-11 16:47                                       ` Eli Zaretskii
2013-02-11 23:55                                         ` Paul Eggert [this message]
2013-02-11 16:42                                     ` Eli Zaretskii
2013-02-11 17:53                                       ` Dmitry Antipov
2013-02-11 18:10                                         ` Eli Zaretskii
2013-02-11 18:21                                           ` Dmitry Antipov
2013-02-11 17:17                                   ` Eli Zaretskii
2013-02-11 17:55                                     ` Drew Adams
2013-02-11 18:13                                       ` Eli Zaretskii
2013-02-08 16:21                   ` Long lines and bidi [Was: Re: bug#13623: ...] Dmitry Antipov
2013-02-08 17:04                     ` Eli Zaretskii
2013-02-08 15:33                 ` Stefan Monnier
2013-02-08 16:05                   ` Eli Zaretskii

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