From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#15011: 24.3; Scrolling Performance Date: Sat, 03 Aug 2013 11:09:32 +0300 Message-ID: <83siyrxkjn.fsf@gnu.org> References: <6BF8AEC9264CBA43A46A84B1CBF5464266F27BD9@US-MBX2.ingrnet.com> <55c39a23-a810-4ca8-a6bb-8a10f3d3c4c6@default> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1375517484 21750 80.91.229.3 (3 Aug 2013 08:11:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 3 Aug 2013 08:11:24 +0000 (UTC) Cc: gundaetiapo@gmail.com, 15011@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 03 10:11:24 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1V5Wvq-00080T-SM for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 Aug 2013 10:11:22 +0200 Original-Received: from localhost ([::1]:58650 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V5Wvq-00082D-DM for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 Aug 2013 04:11:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40027) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V5Wvh-000816-Vx for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2013 04:11:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V5Wvc-0006Dv-Cq for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2013 04:11:13 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43274) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V5WvW-0006CR-E6; Sat, 03 Aug 2013 04:11:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V5WvW-0000iv-34; Sat, 03 Aug 2013 04:11:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sat, 03 Aug 2013 08:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15011 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 15011-submit@debbugs.gnu.org id=B15011.13755174412718 (code B ref 15011); Sat, 03 Aug 2013 08:11:02 +0000 Original-Received: (at 15011) by debbugs.gnu.org; 3 Aug 2013 08:10:41 +0000 Original-Received: from localhost ([127.0.0.1]:37590 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V5WvA-0000hl-Lb for submit@debbugs.gnu.org; Sat, 03 Aug 2013 04:10:40 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:63453) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V5Wv6-0000hJ-UJ for 15011@debbugs.gnu.org; Sat, 03 Aug 2013 04:10:37 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MQY00C003XJBG00@a-mtaout22.012.net.il> for 15011@debbugs.gnu.org; Sat, 03 Aug 2013 11:09:31 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MQY00BUH3ZUUA80@a-mtaout22.012.net.il>; Sat, 03 Aug 2013 11:09:31 +0300 (IDT) In-reply-to: <55c39a23-a810-4ca8-a6bb-8a10f3d3c4c6@default> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:76917 Archived-At: > Date: Fri, 2 Aug 2013 16:21:38 -0700 (PDT) > From: Drew Adams > > > Scrolling is known to be slow in C++ files without some performance > > tunes. I use these two customizations myself: > > > > '(font-lock-maximum-decoration (quote ((c++-mode . 2)))) > > '(jit-lock-defer-time 0.01) > > Should settings such as these be turned on by default in C++ mode? The 2nd one causes fast scrolling (e.g., lean on the "C-v" key) refrain from fontification, so you see unfontified text scrolling past you. Therefore, I'd advise against such default.