From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Mon, 15 Aug 2022 20:29:01 +0000 Message-ID: <3a1232a17b80387503f4@heytings.org> References: <92da07bd02941d5537e9@heytings.org> <5308e3b5-a160-17d7-77ee-b1d00acfa20d@yandex.ru> <92da07bd02a6cc861e1a@heytings.org> <837d3lzv8n.fsf@gnu.org> <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@yandex.ru> <83mtcgy44k.fsf@gnu.org> <83k07jx5jn.fsf@gnu.org> <866e510d-a060-7daa-d002-97861d056fa7@yandex.ru> <1144021660321893@iva5-64778ce1ba26.qloud-c.yandex.net> <12348081660379417@sas2-a098efd00d24.qloud-c.yandex.net> <66bbbb95983414e79637@heytings.org> <83wnb9hadb.fsf@gnu.org> <395454dd-7238-c5d0-e924-2f65a186baa7@yandex.ru> <83r11hh4pm.fsf@gnu.org> <3a1232a17b09ce88af40@heytings.org> <4ebdfdc3-4aeb-7ebb-b5ba-43b5c9b0aaa1@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14278"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , monnier@iro.umontreal.ca To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 15 22:30:58 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 1oNgji-0003Uv-9k for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 22:30:58 +0200 Original-Received: from localhost ([::1]:50452 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNgjh-0003hS-28 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 16:30:57 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55452) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNgip-0003ga-Gb for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 16:30:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54421) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNgip-0002tH-6G for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 16:30:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oNgio-0006Kt-Q3 for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 16:30:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 15 Aug 2022 20:30:02 +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=B56682.166059534824269 (code B ref 56682); Mon, 15 Aug 2022 20:30:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 15 Aug 2022 20:29:08 +0000 Original-Received: from localhost ([127.0.0.1]:44170 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNghw-0006JN-Da for submit@debbugs.gnu.org; Mon, 15 Aug 2022 16:29:08 -0400 Original-Received: from heytings.org ([95.142.160.155]:54688) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNghr-0006JA-7v for 56682@debbugs.gnu.org; Mon, 15 Aug 2022 16:29:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1660595342; bh=ih9bSt4lgla9mdpYz1vEVl4Fxe1ZlMVl1Qn9/v7r4KI=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=DsRjf7SJEVIe4FuWEiVKViCiEjUK/7wkicve4fNWXfLF+nUpWDDt1+0BP6lKxzt+f S4eG47cdWfMOalt9YzzaUkwvVxqLWLPsNOEdpKRyG+TdLMbKBjfKSuyD/ClckfdSTI xxyxAzT88CxMHgjKLfHDaCMtCA/9sr8My7oZFiBmY3jSm2SddYdrv08Z7FDIjMWb8D KQIezmy9ZnYVHy5fZhYs46+aCH7PO9nU+K1qK90XZJCn4zmoMo60A4aMqF/Fh/mr+q SA93L5P+gGR8xnUsQkDOKxIJ9m1FZ1zXiu19HAiNZVdbmN94C+dDeSSa5V2UY1BTz4 pigRFY1ODKfCQ== In-Reply-To: <4ebdfdc3-4aeb-7ebb-b5ba-43b5c9b0aaa1@yandex.ru> 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:239836 Archived-At: > > I don't think major modes would take advantage of that var. I hope not, > at least. > You're optimistic, let's say I'm less optimistic. > > If you wanted the development to take this route, it would have really > made more sense to hold off on applying the narrowing to > fontification-functions, keeping font-lock slow-ish in large files. That > would have encouraged direct work on speeding it up. > That's your opinion. What I think would have most likely happened is what you yourself said: these are large files, it's unavoidable that font locking takes somes time (these are not your exact words, I hope they express what you said faithfully). > > But anyway. Suppose we have some more success with syntax-ppss. Two > options: > There are many other options besides the two options you listed.