From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#10149: Emacs 24 hangs for several minutes with very large c++ files Date: Sat, 2 Nov 2019 13:07:42 +0000 Message-ID: <20191102130742.GB6710@ACM> References: <878sozw5nf.fsf@marxist.se> <20191102100931.GA5738@ACM> <87y2wyefiq.fsf@marxist.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="69342"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mutt/1.10.1 (2018-07-13) Cc: suvayu ali , 10149-done@debbugs.gnu.org To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 02 14:08:32 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iQt8p-000Hgk-09 for geb-bug-gnu-emacs@m.gmane.org; Sat, 02 Nov 2019 14:08:31 +0100 Original-Received: from localhost ([::1]:47600 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQt8b-0001y0-W0 for geb-bug-gnu-emacs@m.gmane.org; Sat, 02 Nov 2019 09:08:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36130) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQt8R-0001t4-Vu for bug-gnu-emacs@gnu.org; Sat, 02 Nov 2019 09:08:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iQt8O-0005Dq-G6 for bug-gnu-emacs@gnu.org; Sat, 02 Nov 2019 09:08:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49833) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iQt8M-0005Bp-R6; Sat, 02 Nov 2019 09:08:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iQt8M-0002f9-LB; Sat, 02 Nov 2019 09:08:02 -0400 Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sat, 02 Nov 2019 13:08:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 10149 X-GNU-PR-Package: emacs,cc-mode Mail-Followup-To: 10149@debbugs.gnu.org, acm@muc.de, fatkasuvayu+linux@gmail.com Original-Received: via spool by 10149-done@debbugs.gnu.org id=D10149.157270006910203 (code D ref 10149); Sat, 02 Nov 2019 13:08:02 +0000 Original-Received: (at 10149-done) by debbugs.gnu.org; 2 Nov 2019 13:07:49 +0000 Original-Received: from localhost ([127.0.0.1]:58653 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iQt89-0002eV-Cv for submit@debbugs.gnu.org; Sat, 02 Nov 2019 09:07:49 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:27999 helo=mail.muc.de) by debbugs.gnu.org with smtp (Exim 4.84_2) (envelope-from ) id 1iQt87-0002eN-UI for 10149-done@debbugs.gnu.org; Sat, 02 Nov 2019 09:07:48 -0400 Original-Received: (qmail 64077 invoked by uid 3782); 2 Nov 2019 13:07:46 -0000 Original-Received: from acm.muc.de (p2E5D5AEB.dip0.t-ipconnect.de [46.93.90.235]) by colin.muc.de (tmda-ofmipd) with ESMTP; Sat, 02 Nov 2019 14:07:42 +0100 Original-Received: (qmail 8708 invoked by uid 1000); 2 Nov 2019 13:07:42 -0000 Content-Disposition: inline In-Reply-To: <87y2wyefiq.fsf@marxist.se> X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:170793 Archived-At: Hello, Stefan. On Sat, Nov 02, 2019 at 11:31:09 +0100, Stefan Kangas wrote: > Hi Alan, > Alan Mackenzie writes: > > The solution is to supply a limit to that search. I think the following > > patch should do the job. For me it speeds up a complete scroll from > > beginning to end of buffer by a factor of ~4: > I tried your patch and yes, it seems to work much better. > Thank you for the prompt fix. Thanks for the quick test. I'm closing the bug with this post. > Best regards, > Stefan Kangas -- Alan Mackenzie (Nuremberg, Germany).