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: Wed, 10 Aug 2022 07:47:44 +0000 Message-ID: References: <8c7321f2f388e5343475@heytings.org> <8c7321f2f36494299e61@heytings.org> <83v8rc2n1h.fsf@gnu.org> <64084296-1953-8ef8-5938-adfb6fb9b43f@yandex.ru> <83r11uzs8n.fsf@gnu.org> <14845631-c2ef-8371-8606-c858092e3192@yandex.ru> <83mtcizov2.fsf@gnu.org> <83h72qzheq.fsf@gnu.org> <25717d84-3411-a93a-3620-e04fe0571aff@yandex.ru> <83edxuzemr.fsf@gnu.org> <83a68hzz0a.fsf@gnu.org> <6ae35c93062c589b2e02@heytings.org> <7b7fbad7-55ac-49b8-840f-7f89a7e8771a@yandex.ru> <6ae35c93064b3588974c@heytings.org> <6ae35c9306c515f420d8@heytings.org> 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="7568"; 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 Wed Aug 10 09:48:24 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 1oLgRz-0001ms-Gf for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 10 Aug 2022 09:48:23 +0200 Original-Received: from localhost ([::1]:55498 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oLgRy-0006Zd-Dz for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 10 Aug 2022 03:48:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38138) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLgRe-0006ZV-Vm for bug-gnu-emacs@gnu.org; Wed, 10 Aug 2022 03:48:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56134) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oLgRe-0004BL-Mo for bug-gnu-emacs@gnu.org; Wed, 10 Aug 2022 03:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oLgRe-0006TQ-A5 for bug-gnu-emacs@gnu.org; Wed, 10 Aug 2022 03:48:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 10 Aug 2022 07:48:02 +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=B56682.166011766924805 (code B ref 56682); Wed, 10 Aug 2022 07:48:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 10 Aug 2022 07:47:49 +0000 Original-Received: from localhost ([127.0.0.1]:45883 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oLgRR-0006S0-5n for submit@debbugs.gnu.org; Wed, 10 Aug 2022 03:47:49 -0400 Original-Received: from heytings.org ([95.142.160.155]:46806) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oLgRP-0006RX-Af for 56682@debbugs.gnu.org; Wed, 10 Aug 2022 03:47:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1660117665; bh=UYzHn1YYDlJe3257DIdhKHZnAK3Dooh7w7EEZoXXsGY=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=g0BpSl3LayugpJIOFEL1f+1+KTdHiCySLJm7rkUyZveCczjOXohLJpbXgelFx9K4I bjRVBkbBskpsS+iNLuUhe867GBadlFSer1DBn7l8+dbI3eyTtl6cN3zsnHy4KS4C6C qEnoS8WKqH+OFVXmW3l3kLcTPwyXyr4syc3XvwLY/A0cDayjeZBn6aB47FYPlqvCzT IPV0RVxDRvJuGGkHtWnQkijdFUdJzjfSxcBiCgzycEbgJNCPgl3bIl9cQCWofTFaZw j1EHuGiGXVof1pZO+8mYn/ti5eECg5g9B4nPw4c+gsRU6GOSQUmmh/ze5ugRmafjRu hvKhUBsGCdRXg== 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:239243 Archived-At: > > In any case, when I floor 'C-v' in dictionary.json now, whether > narrowing is applied in 'handle_fontified_prop' or not, I see the buffer > stutter around 2%, then go on and freeze around the 9% mark. When I > release 'C-v' after waiting a while, it ends up at 12% or 14%. > > Or if I go to EOB and floor 'M-v', both versions freeze almost right > away. So it doesn't look like one is an order of a magnitude faster than > the other, or at least not anymore. > > C-n and C-p are also pretty sluggish with both versions. > You must be doing something wrong in your tests. You have a faster computer than mine, and on my computer, with emacs -Q, neither C-v nor M-v nor C-n nor C-p are sluggish.