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: Sun, 14 Aug 2022 16:02:39 +0300 Message-ID: <83wnbbj7v4.fsf@gnu.org> References: <92da07bd028e3ede61a6@heytings.org> <47894c57-dd8b-5778-240a-3fa6540e4d37@yandex.ru> <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> <66bbbb95983475c5f3b0@heytings.org> <0d67f253-c080-d750-c2cb-4a9591ff8c6c@yandex.ru> <83lerrl734.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2198"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, gregory@heytings.org, monnier@iro.umontreal.ca To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 14 15:04:14 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 1oNDHp-0000N2-4R for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 15:04:13 +0200 Original-Received: from localhost ([::1]:35862 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNDHo-0001Zt-5D for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 09:04:12 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34810) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNDHf-0001Zl-0d for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 09:04:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46428) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNDHe-0000Ey-Ek for bug-gnu-emacs@gnu.org; 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Sun, 14 Aug 2022 09:02:55 -0400 In-Reply-To: (message from Dmitry Gutov on Sun, 14 Aug 2022 12:41:33 +0300) 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:239644 Archived-At: > Date: Sun, 14 Aug 2022 12:41:33 +0300 > Cc: 56682@debbugs.gnu.org, gregory@heytings.org, monnier@iro.umontreal.ca > From: Dmitry Gutov > > > Stuttering in redisplay (and I think you actually mean stuttering in > > cursor motion commands, but let's ignore that difference for now) is a > > known issue, but it is NOT the goal of this effort. The goal of this > > effort is to avoid making Emacs_completely_unusable_ due to the need > > to wait for many seconds for commands to complete and their results to > > be shown on display. Stuttering, while somewhat annoying, doesn't > > make Emacs unusable. > > > > So if you are talking about the cases of stuttering, you are focused > > on cases that are of no particular interest to us here. Of course, > > any improvement in those other cases will also be welcome, but it is > > not directly related to what we are trying to do here, and may or may > > not solve the cases that are of interest to us. > > They *are* solved by Gregory's work. Not in all cases and not on all systems. I still see stuttering in some cases, at least with my unoptimized builds, and I don't consider that a problem.