From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#14886: Fwd: bug#14886: Fwd: A significant slowdown calling font-lock-fontify-buffer from a hook Date: Wed, 30 Oct 2019 13:52:35 +0100 Message-ID: <87o8xyv1ik.fsf@gnus.org> References: <20130724193039.GA11879@acm.acm> <20130726194428.GA3974@acm.acm> <20130727093556.GA3616@acm.acm> <51F39EF6.8050408@gmx.at> <20130728095829.GA8649@acm.acm> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="211254"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Paul Eggert , 14886@debbugs.gnu.org, Juanma Barranquero To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 30 13:53:23 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 1iPnTW-000soM-Lt for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Oct 2019 13:53:22 +0100 Original-Received: from localhost ([::1]:40168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iPnTU-0004WB-Nn for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Oct 2019 08:53:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40640) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iPnTE-0004UC-1C for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 08:53:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iPnTC-0004sI-VE for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 08:53:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40638) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iPnTC-0004sA-S9 for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 08:53:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iPnTC-0000FU-Pm for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 08:53:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Oct 2019 12:53:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14886 X-GNU-PR-Package: emacs Original-Received: via spool by 14886-submit@debbugs.gnu.org id=B14886.1572439963887 (code B ref 14886); Wed, 30 Oct 2019 12:53:02 +0000 Original-Received: (at 14886) by debbugs.gnu.org; 30 Oct 2019 12:52:43 +0000 Original-Received: from localhost ([127.0.0.1]:49451 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iPnSt-0000EE-Gp for submit@debbugs.gnu.org; Wed, 30 Oct 2019 08:52:43 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:55952) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iPnSq-0000E5-RI for 14886@debbugs.gnu.org; Wed, 30 Oct 2019 08:52:41 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iPnSm-00062n-62; Wed, 30 Oct 2019 13:52:38 +0100 In-Reply-To: <20130728095829.GA8649@acm.acm> (Alan Mackenzie's message of "Sun, 28 Jul 2013 09:58:29 +0000") 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:170408 Archived-At: Alan Mackenzie writes: > I am calling: > > emacs -Q --eval "(progn (add-hook 'prog-mode-hook #'font-lock-fontify-buffer) (setq debug-on-error t))" ~/emacs/emacs.bzr/trunk/src/xdisp.c > > using both emacs 24.3 and the trunk. In 24.3, the processing is > immediate (~2s), whereas in the trunk it takes ~28s. This function still takes a long time when called from the hook, but in 2014 the function was marked interactive-only, so I don't think this is something to be fixed -- at least not at this point. So I'm closing the bug report. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no