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From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Eli Zaretskii <eliz@gnu.org>
Cc: dmantipov@yandex.ru, emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] /srv/bzr/emacs/trunk r109512: Inline functions to	examine and change buffer overlays.
Date: Wed, 08 Aug 2012 15:47:58 -0400	[thread overview]
Message-ID: <jwvfw7xf9oj.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <83wr19dzbj.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 08 Aug 2012 21:16:16 +0300")

> FWIW, the display engine uses this division quite a lot.  If we end up
> removing it, I suggest to time the code with and without it, e.g. by
> timing some modes that are heavy users of overlays.

I don't think we need timings.  We've already had to add some calls to
overlay-recenter following bug-reports of pathologically slow
operations, so there's no doubt that the performance impact would be
a problem.


        Stefan



  reply	other threads:[~2012-08-08 19:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1Sz80a-0000RM-Qp@vcs.savannah.gnu.org>
2012-08-08 15:45 ` [Emacs-diffs] /srv/bzr/emacs/trunk r109512: Inline functions to examine and change buffer overlays Stefan Monnier
2012-08-08 16:26   ` Dmitry Antipov
2012-08-08 18:05     ` Stefan Monnier
2012-08-08 18:16       ` Eli Zaretskii
2012-08-08 19:47         ` Stefan Monnier [this message]
2012-08-08 20:44           ` Eli Zaretskii
2012-08-09  3:53             ` Markers/intervals/overlays + trees Dmitry Antipov
2012-08-09 16:15               ` Eli Zaretskii
2012-08-09 17:16               ` Stefan Monnier

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