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: Scrolling huge buffers and cc-mode Date: Tue, 18 Dec 2012 14:58:43 -0500 Message-ID: References: <50D03DBD.5000704@yandex.ru> <83txrjp8ry.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1355860738 16611 80.91.229.3 (18 Dec 2012 19:58:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 18 Dec 2012 19:58:58 +0000 (UTC) Cc: Alan Mackenzie , Dmitry Antipov , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 18 20:59:12 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 1Tl3Ji-0002Yu-OL for ged-emacs-devel@m.gmane.org; Tue, 18 Dec 2012 20:59:06 +0100 Original-Received: from localhost ([::1]:53444 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tl3JV-00039y-Ed for ged-emacs-devel@m.gmane.org; Tue, 18 Dec 2012 14:58:53 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:32947) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tl3JS-00039K-Oh for emacs-devel@gnu.org; Tue, 18 Dec 2012 14:58:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tl3JQ-0007rl-QK for emacs-devel@gnu.org; Tue, 18 Dec 2012 14:58:50 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:35495) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tl3JO-0007qO-G0; Tue, 18 Dec 2012 14:58:46 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAG6Zu09FxLDj/2dsb2JhbABEtBGBCIIVAQEEAVYjBQsLNBIUGA0kiBwFugmQRAOIQppxgViDBw X-IronPort-AV: E=Sophos;i="4.75,637,1330923600"; d="scan'208";a="210218251" Original-Received: from 69-196-176-227.dsl.teksavvy.com (HELO pastel.home) ([69.196.176.227]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 18 Dec 2012 14:58:44 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id E988C59150; Tue, 18 Dec 2012 14:58:43 -0500 (EST) In-Reply-To: <83txrjp8ry.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 18 Dec 2012 19:30:57 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.182 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:155658 Archived-At: > about 1 minute is below. If I understand correctly, it blames > scan-sexps for most of the CPU load. Indeed, but running scan-sexps on the whole buffer doesn't take that long, so the problem is not that scan-sexps is slow, but that it's called too many times. Stefan