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#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling) Date: Sun, 14 Aug 2022 16:08:27 +0000 Message-ID: <5900f208367791fbdfe2@heytings.org> References: <87bksmx1j1.fsf@localhost> 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="40287"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 57207@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 14 18:11:05 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 1oNGCe-000AFC-7Y for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 18:11:04 +0200 Original-Received: from localhost ([::1]:54254 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNGCd-0002Ju-9w for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 12:11:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58360) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNGAg-0000gf-Vf for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:09:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49840) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNGAf-0000cR-UH for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:09:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oNGAf-0002v8-QC for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:09:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 14 Aug 2022 16:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57207 X-GNU-PR-Package: emacs Original-Received: via spool by 57207-submit@debbugs.gnu.org id=B57207.166049331211189 (code B ref 57207); Sun, 14 Aug 2022 16:09:01 +0000 Original-Received: (at 57207) by debbugs.gnu.org; 14 Aug 2022 16:08:32 +0000 Original-Received: from localhost ([127.0.0.1]:39589 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNGAC-0002uO-J5 for submit@debbugs.gnu.org; Sun, 14 Aug 2022 12:08:32 -0400 Original-Received: from heytings.org ([95.142.160.155]:52812) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNGA9-0002uE-MX for 57207@debbugs.gnu.org; Sun, 14 Aug 2022 12:08:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1660493308; bh=sOfp7SE/pdsF6GG1JSA4DJyZTgu2PWznVDwoS4BoDwQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=YOAEY8FFNdm6IR1NyEQoj5QxBsTb7yysug500PlTU1oLBFb3iAOcD9MX+yqgmx5ra x+bL4f7VW+GiZF82Xns69oG+jfx6YEyzVscu9TUFMbYmfaPBgLjH6CfTPYdCw0ZDzO zyY7sDauiesW5b9+KdwEIetWRZFuvI/kEd8LsxHa0tdTiwYz8Q2t7vdEgWrFE3LVGd YHYwVizMJp8JIU/A+vRSQTmBYAQfvHnGzFNkHMDlJvyaBJJoxuBTCqdcPGWJaf5ik5 mTH4y8/AAkXGRi4XDS0SvZnycNPxGsCx/Evsb2Z10KUnOneusin3/ndi2qo4pgCCKf bYpUbXQIo3Yjg== In-Reply-To: <87bksmx1j1.fsf@localhost> 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:239658 Archived-At: > > I am experiencing severe performance degradation on current master. > > The degradation happens when working with Org files > > [...] > > I was able to trigger the slowdown when unfolding headlines hidden using > 'invisible text property. > > Do you have any idea what could be going wrong or how to debug things > further? > Can you (a) provide a MRE so that we could track down what's going on and/or (b) try to set long-line-threshold to a larger value (20000, 50000, 100000) and see when the performance degradation disappears?