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, 03 Aug 2022 21:42:25 +0000 Message-ID: <5f6988c781ff83d58df1@heytings.org> References: <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> <74ddc877f18a8db624e9@heytings.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="40739"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Dmitry Gutov To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 03 23:43:27 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 1oJM9G-000AKc-11 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 23:43:26 +0200 Original-Received: from localhost ([::1]:44214 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJM9E-0005Xv-LH for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 17:43:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59242) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJM8s-0005Xn-EZ for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 17:43:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60503) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJM8s-0001zz-43 for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 17:43:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJM8r-0006ob-Vz for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 17:43:02 -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, 03 Aug 2022 21:43:01 +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=B56682.165956294826156 (code B ref 56682); Wed, 03 Aug 2022 21:43:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 3 Aug 2022 21:42:28 +0000 Original-Received: from localhost ([127.0.0.1]:50252 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJM8K-0006nn-F3 for submit@debbugs.gnu.org; Wed, 03 Aug 2022 17:42:28 -0400 Original-Received: from heytings.org ([95.142.160.155]:37536) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJM8J-0006ng-CG for 56682@debbugs.gnu.org; Wed, 03 Aug 2022 17:42:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659562945; bh=hr5OpkZrN8Q5DJPrdGUgOlPM3VHgs54OELlCnxe7kxE=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=ieAyIBA+0iaVXwKsH6jYolprmvQ7RD3HrZvLbKSz1A2srX76xIfMJN0XgIVHhKbmE AQyO5b+sNX9ZTk2elq5zZlZj7tACtjmXGLWvJ9K3ZodgW4xhSvFCzSc9XydxfPRwAO Bqi1jQQIgE5JHs70FUHJ/sZPFsPRBhaH4L4jkaoKAfhX1qGpTfT4iEK489JIag9esM A85PYBS94KnRd8cYQlazqb+xHbrT5pyqFXAmHEgCkVdyqDvOQZg74K4WhtsN0+mYqH UtTh6v2LXEabH1NaP5cnsSzuBT4UH1muBOugfzDtDeMMNPhDJdhzFFf3M+cuHs4ItL dkz81peZ+/EzQ== 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:238654 Archived-At: >> The general idea is that syntax-ppss is currently an order of magnitude >> too slow for "too large" buffers. > > And that it can be almost another order of magnitude worse in some major > modes because of `syntax-propertize`. > That's possible, I don't know. I might take a look at that later. But note that your reactions are not exactly encouraging me to do so.