From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Wed, 03 Aug 2022 05:30:38 +0300 Message-ID: <83r11y5a9d.fsf@gnu.org> References: <83v8rf5894.fsf@gnu.org> <65cb7c73fd4a999cca00@heytings.org> <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <6ea376f6-d503-06d8-6d83-50c52b695394@yandex.ru> <8c7321f2f3ac52bfee4b@heytings.org> <8c7321f2f3ec1ef81af9@heytings.org> <02e83b0e-1b5c-fe75-6e59-1f8ddff82d37@yandex.ru> <96f28fd8-6744-1925-0631-0095099362dd@yandex.ru> <74ddc877f1b74ab56d18@heytings.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37655"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, gregory@heytings.org, dgutov@yandex.ru To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 03 04:31:26 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJ4AP-0009f1-3i for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 04:31:25 +0200 Original-Received: from localhost ([::1]:46428 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJ4AN-0007ZQ-UE for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 02 Aug 2022 22:31:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46368) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJ4A2-0007WU-2x for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 22:31:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55873) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJ4A1-00085K-Pq for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 22:31:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJ4A1-0004LS-MC for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 22:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 03 Aug 2022 02:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56682 X-GNU-PR-Package: emacs Original-Received: via spool by 56682-submit@debbugs.gnu.org id=B56682.165949385416689 (code B ref 56682); Wed, 03 Aug 2022 02:31:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 3 Aug 2022 02:30:54 +0000 Original-Received: from localhost ([127.0.0.1]:45622 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJ49u-0004L6-Dv for submit@debbugs.gnu.org; Tue, 02 Aug 2022 22:30:54 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:33412) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJ49r-0004Ko-Tq for 56682@debbugs.gnu.org; Tue, 02 Aug 2022 22:30:52 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33402) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJ49m-000842-47; Tue, 02 Aug 2022 22:30:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=vXXinVOfP3wOyZEsOJoVBa/94K1EevHWZhu7f8M5cW0=; b=MhfWT/F8Xeu4 g27w2D/bQ0IHZr88vBe2nly2QPEpvdPKjsdM8ZkT+wnAptJiCTbtVUC7CJ7Nw8ediCixKMeagjAtY I86E9X7sl1a1rUCW2vK1zals9oy1WECCghCKyD8BDZdx5GI9oo9ivDt8kNpCcEu7o+SwkQfw7+0KF IC6n0d0oQDCjL94hofaR91262fG9qXS9XtUElMhKF8k1PZ9RNX0pKDeajbQzNEHj5WkDt+vzihkeX K4J9gOkAOg0cIOW2upTmLgwYLDJ2oau99gWFYoTylEZD3wsuNXEUyCjiJRTtqOCqApLTOqFDsiRDb XwYD2STdJEZDWLqaKs9Zeg==; Original-Received: from [87.69.77.57] (port=4664 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJ49l-0002H2-OV; Tue, 02 Aug 2022 22:30:45 -0400 In-Reply-To: (message from Stefan Monnier on Tue, 02 Aug 2022 17:19:53 -0400) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:238607 Archived-At: > From: Stefan Monnier > Cc: Dmitry Gutov , 56682@debbugs.gnu.org, Eli Zaretskii > > Date: Tue, 02 Aug 2022 17:19:53 -0400 > > > Indeed, that's my conclusion too. So until syntax-ppss (at least) is made > > an order of magnitude faster, the right thing to do is to use the forced > > narrowing method. > > By tying this to "long lines" is wrong, since it has nothing to do with > long lines, only with large buffers. I thought you told me once that syntax-propertize needs to consider complete lines in some (frequent) situations?