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#23278: 25.0.92; font-lock-ensure is too slow Date: Sat, 07 May 2016 11:27:09 +0300 Message-ID: <83wpn6e0iq.fsf@gnu.org> References: <86inzmy5e2.fsf@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1462609711 4221 80.91.229.3 (7 May 2016 08:28:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 7 May 2016 08:28:31 +0000 (UTC) Cc: 23278@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 07 10:28:14 2016 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 1ayxaw-0004gM-6s for geb-bug-gnu-emacs@m.gmane.org; Sat, 07 May 2016 10:28:14 +0200 Original-Received: from localhost ([::1]:33561 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ayxau-0003WC-KE for geb-bug-gnu-emacs@m.gmane.org; Sat, 07 May 2016 04:28:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35235) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ayxaq-0003Ra-9Q for bug-gnu-emacs@gnu.org; Sat, 07 May 2016 04:28:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ayxak-0008WM-6e for bug-gnu-emacs@gnu.org; Sat, 07 May 2016 04:28:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:58163) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ayxak-0008WD-3T for bug-gnu-emacs@gnu.org; Sat, 07 May 2016 04:28:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ayxaj-0004Sw-OI for bug-gnu-emacs@gnu.org; Sat, 07 May 2016 04:28:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 07 May 2016 08:28:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23278 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 23278-submit@debbugs.gnu.org id=B23278.146260964817126 (code B ref 23278); Sat, 07 May 2016 08:28:01 +0000 Original-Received: (at 23278) by debbugs.gnu.org; 7 May 2016 08:27:28 +0000 Original-Received: from localhost ([127.0.0.1]:42267 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ayxaC-0004SA-7t for submit@debbugs.gnu.org; Sat, 07 May 2016 04:27:28 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:44134) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ayxaA-0004Ry-Ev for 23278@debbugs.gnu.org; Sat, 07 May 2016 04:27:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ayxZz-0008Ms-FP for 23278@debbugs.gnu.org; Sat, 07 May 2016 04:27:21 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:34042) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ayxZz-0008Mo-CY; Sat, 07 May 2016 04:27:15 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3810 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1ayxZw-0000Ht-AF; Sat, 07 May 2016 04:27:13 -0400 In-reply-to: <86inzmy5e2.fsf@yandex.ru> (message from Dmitry Gutov on Tue, 12 Apr 2016 22:49:09 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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: 208.118.235.43 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:117950 Archived-At: > From: Dmitry Gutov > Date: Tue, 12 Apr 2016 22:49:09 +0300 > > Example: > > Open xdisp.c, navigate to the first line. Evaluate: > > (load "jit-lock") > (benchmark 1000 '(font-lock-ensure (line-beginning-position) > (line-end-position))) > > => 0.66s > > Which puts a dampener on the idea of syntax highlighting xref results in > the open files. > > With the patch below, the benchmark executes 100 times faster. > OK to apply? If you run with this since the time of your message and saw no problems, please push to emacs-25. Otherwise, to master. Thanks.