From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Tue, 02 Aug 2022 17:19:53 -0400 Message-ID: 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> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40158"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Dmitry Gutov To: Gregory Heytings Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Aug 02 23:21:19 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 1oIzKJ-000ACp-7E for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 02 Aug 2022 23:21:19 +0200 Original-Received: from localhost ([::1]:46916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIzKH-0001F4-NQ for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 02 Aug 2022 17:21:17 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40386) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIzK2-0001Ep-AD for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 17:21:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55462) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oIzK1-0006vU-VW for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 17:21:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oIzK1-0002Sh-QF for bug-gnu-emacs@gnu.org; Tue, 02 Aug 2022 17:21:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 02 Aug 2022 21:21:01 +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=B56682.16594752079367 (code B ref 56682); Tue, 02 Aug 2022 21:21:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 2 Aug 2022 21:20:07 +0000 Original-Received: from localhost ([127.0.0.1]:45211 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oIzJ9-0002R1-IV for submit@debbugs.gnu.org; Tue, 02 Aug 2022 17:20:07 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:33108) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oIzJ8-0002QS-B8 for 56682@debbugs.gnu.org; Tue, 02 Aug 2022 17:20:06 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 109E71002F6; Tue, 2 Aug 2022 17:20:01 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 6F71E100084; Tue, 2 Aug 2022 17:19:59 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1659475199; bh=2LiPWUen8CDI/yW0sWYqicAvI3ZEupuPrhAKllD0P4c=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=L/SpFtyfwCtT0/VMAmsGElVgLByD5SOD+GGKmHV0WZAHDrBsLGegtE6I+ksT6nZGb HldMEcD4f/ibxa3R2KKiyd3aF9g8GZQXQVpPEE2G5LktQBPU/Hx09Q5km3GrswP7xw yYveMVf6gYwVwHtxc/uoJLvDsUtnIq9vzvCZ91LufTO0Q5Ok0s6sRLYzNnIrylmGlB 08stSMA0aao2rvXpmOE9xSrMrMTXG9icfm5fyVBv9fPlHnKGvMarAfuFpKFNni02lt JMPOt+Y5b1zyQb/bNDZrQ36OOi4OMVsYXyPfKZgOTdwsXOC/x/zswbWl+1Yf+H5t0k G1nPw4k6bDcHA== Original-Received: from milanesa (unknown [46.44.221.102]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 84BC6120442; Tue, 2 Aug 2022 17:19:58 -0400 (EDT) In-Reply-To: <74ddc877f1b74ab56d18@heytings.org> (Gregory Heytings's message of "Tue, 02 Aug 2022 15:09:08 +0000") 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:238585 Archived-At: > 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. Stefan