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: Tue, 26 Jul 2022 12:34:30 +0000 Message-ID: References: <837d46mjen.fsf@gnu.org> <174616cd5c33bfc14b1f@heytings.org> <837d44jr4p.fsf@gnu.org> <83bktghrn0.fsf@gnu.org> <8a3eaeef010995a5da8d@heytings.org> <837d40ds09.fsf@gnu.org> <83zggwcby5.fsf@gnu.org> 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="5372"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, 56682@debbugs.gnu.org, monnier@iro.umontreal.ca To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jul 26 14:36:09 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 1oGJnE-0001BZ-Vq for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 26 Jul 2022 14:36:09 +0200 Original-Received: from localhost ([::1]:36592 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oGJnE-0002Ft-1d for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 26 Jul 2022 08:36:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36690) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oGJmB-0002Dl-Gw for bug-gnu-emacs@gnu.org; Tue, 26 Jul 2022 08:35:11 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:34542) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oGJmA-0001jG-7P for bug-gnu-emacs@gnu.org; Tue, 26 Jul 2022 08:35:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oGJmA-0001Jy-3f for bug-gnu-emacs@gnu.org; Tue, 26 Jul 2022 08:35:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 Jul 2022 12:35:02 +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=B56682.16588388735033 (code B ref 56682); Tue, 26 Jul 2022 12:35:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 26 Jul 2022 12:34:33 +0000 Original-Received: from localhost ([127.0.0.1]:52524 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oGJlg-0001J6-QU for submit@debbugs.gnu.org; Tue, 26 Jul 2022 08:34:33 -0400 Original-Received: from heytings.org ([95.142.160.155]:53490) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oGJlf-0001Iz-Bk for 56682@debbugs.gnu.org; Tue, 26 Jul 2022 08:34:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658838870; bh=D9Ce49m6WpYxiBY+FKp6gD8/LX10FwDSDZ8Y7bX4Y/A=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=s64Myj5LNEgfP2q+aDf5O4TH0qGEMFxhnZPrAHPmNxtda65zibCYRhS+bH6Q1sb8M i2ADMnYmgal94I+NyQSb1ia3DsokKMVLfg+p2/0+9gmDO8R24SsxWNshmLV8DguoXX bwbPd8HLZQ2XZc5DR8dVN87Ba+eU9r+lpJojueI71aV1Pk/YmyDLMMWaNyUJScd3hL wGF4UB6xIdpwIonAljqX562fkUlEExsa9eAdCsuc8VE/WuParXo/nYDv4xltFLVPvl qKG54qmGcaHjzgwg/n9vr1ICxLo9FKydB5pSG/JUTlMuQDdidlAOKar3jkmbfgAX6G xgni0Nd8Nh8jA== In-Reply-To: <83zggwcby5.fsf@gnu.org> 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:237953 Archived-At: > > I don't know the difference between "slow" and "hang". Gerd says it > eventually finishes, so it isn't a "hang" at least on his machine. And > my build is unoptimized, so what is "slow" for you probably qualifies as > "hang" for me. > I just tried again, and on my machine with an optimized build C-s > If you disable lazy-highlighting, does the problem go away? > Yes, as I said to Gerd, with (setq isearch-lazy-highlight nil) the problem goes away (and C-s > And if you customize lazy-highlight-interval and > lazy-highlight-max-at-a-time to reasonable values, doesn't the "hang" > becomes much shorter? > With (setq lazy-highlight-interval 5) the problem does not go away. With (setq lazy-highlight-max-at-a-time 10) the problem goes away, C-s