From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 12867@debbugs.gnu.org
Subject: bug#12867: 24.3.50; easy-to-repro crash involving mode line
Date: Mon, 12 Nov 2012 15:55:34 -0500 [thread overview]
Message-ID: <jwvd2ziczlc.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <83bof2wup6.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 12 Nov 2012 20:19:01 +0200")
> We already do, but maybe not as extensively as you may have in mind.
> See the base_line_pos member of 'struct window'.
> There's also region-cache.c, which we could use for that. But before
> we do, Someone(TM) should time the thing and see if it's worth our
> while to make that cache.
FWIW, I recently added such a cache (in Elisp) to nlinum.el, and on my
test case (largish file with C-v/M-v style scrolling) the difference was
very significant (but the previous code had no cache at all, not even
base_line_pos).
Stefan
next prev parent reply other threads:[~2012-11-12 20:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-12 3:52 bug#12867: 24.3.50; easy-to-repro crash involving mode line Drew Adams
2012-11-12 15:40 ` Eli Zaretskii
2012-11-12 17:09 ` Drew Adams
2012-11-12 17:52 ` Eli Zaretskii
2012-11-12 18:16 ` Drew Adams
2012-11-12 18:35 ` Eli Zaretskii
2012-11-12 19:07 ` bug#12872: " Drew Adams
2012-11-12 17:31 ` martin rudalics
2012-11-12 18:19 ` Eli Zaretskii
2012-11-12 20:55 ` Stefan Monnier [this message]
2012-11-13 8:22 ` martin rudalics
2012-11-13 12:52 ` Eli Zaretskii
2012-11-13 13:50 ` martin rudalics
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