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, 01 Aug 2022 10:00:28 +0000 Message-ID: References: <837d46mjen.fsf@gnu.org> <8a3eaeef01be5bfaa5ef@heytings.org> <05388e8d8812bfa3695d@heytings.org> <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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5300"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Stefan Monnier To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 01 12:02:03 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 1oISFP-0001Dh-BQ for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 Aug 2022 12:02:03 +0200 Original-Received: from localhost ([::1]:59486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oISFO-0007vo-A2 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 Aug 2022 06:02:02 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46900) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oISER-0007vF-7Y for bug-gnu-emacs@gnu.org; Mon, 01 Aug 2022 06:01:07 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49622) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oISEQ-0008Ei-70 for bug-gnu-emacs@gnu.org; Mon, 01 Aug 2022 06:01:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oISEQ-0003Tp-1e for bug-gnu-emacs@gnu.org; Mon, 01 Aug 2022 06:01:02 -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, 01 Aug 2022 10:01:02 +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=B56682.165934803313286 (code B ref 56682); Mon, 01 Aug 2022 10:01:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 1 Aug 2022 10:00:33 +0000 Original-Received: from localhost ([127.0.0.1]:39367 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oISDw-0003SE-No for submit@debbugs.gnu.org; Mon, 01 Aug 2022 06:00:32 -0400 Original-Received: from heytings.org ([95.142.160.155]:33518) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oISDt-0003Rw-U3 for 56682@debbugs.gnu.org; Mon, 01 Aug 2022 06:00:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659348029; bh=PkJEZs9GqSKRybGiXXGc2o5avAfN2LWtGZ32fV9+dcs=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=CVQKj1dsyMQSASnjJZcv9d8SoMfHVVpyAuVmiYHFUx6dBZyR46Gd3x5qyLbZ2T6nA 2XsOhrfpAQF9/15c7Zcv4CGgWVdCBHX/R51KwM+kPaP5gt28j0Q2QmtrZF1gfZBfVY GOM0JKm1PChYyhE9+LATTH+lN3rjJpY52Fu8obIjgRHhZAMpx3O0nWdPjokQFfZOaJ KWHdrnRJp14kP0koVo9cJxELF3O4+ZRiy5yKZp41/TFMlEJemk51nqzOQiEQ1MUgzb 5Nc71jLsHuqxTjDWDW6C0DhSB08FGdRfES7MjtkJwKHbgx8QBizyALHYU5VmLElBA4 IYaH63tJIhNqg== In-Reply-To: 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:238400 Archived-At: >> And syntax-ppss's speed depends on the rules applied by the particular >> major mode. Those could be sped up. Some optimization of this >> function's speed is not out of the question either. > > They would be more than welcome. In fact, without such optimizations, > it would be unreasonable to do what the patch does. > To clarify: it should become at least six times faster. That would mean that opening a large file would take 3N seconds instead of N seconds, which would be okay.