From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel 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 Message-ID: References: <5022934F.3050702@yandex.ru> <83wr19dzbj.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1344455286 3126 80.91.229.3 (8 Aug 2012 19:48:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 8 Aug 2012 19:48:06 +0000 (UTC) Cc: dmantipov@yandex.ru, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 08 21:48:06 2012 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SzCEe-0001vf-PU for ged-emacs-devel@m.gmane.org; Wed, 08 Aug 2012 21:48:04 +0200 Original-Received: from localhost ([::1]:51459 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SzCEe-0007xj-4L for ged-emacs-devel@m.gmane.org; Wed, 08 Aug 2012 15:48:04 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:51855) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SzCEb-0007xT-ES for emacs-devel@gnu.org; Wed, 08 Aug 2012 15:48:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SzCEa-0001DL-7t for emacs-devel@gnu.org; Wed, 08 Aug 2012 15:48:01 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:59623) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SzCEa-0001DE-39; Wed, 08 Aug 2012 15:48:00 -0400 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id q78JlxFh022159; Wed, 8 Aug 2012 15:47:59 -0400 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id E384DB4081; Wed, 8 Aug 2012 15:47:58 -0400 (EDT) In-Reply-To: <83wr19dzbj.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 08 Aug 2012 21:16:16 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4304=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4304> : streams <796373> : uri <1187246> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:152350 Archived-At: > 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