From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: New optimisations for long raw strings in C++ Mode. Date: Sun, 07 Aug 2022 14:49:40 +0200 Message-ID: <87r11s2p7f.fsf@gnus.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23285"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Aug 07 14:51:27 2022 Return-path: Envelope-to: ged-emacs-devel@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 1oKfkc-0005t6-AI for ged-emacs-devel@m.gmane-mx.org; Sun, 07 Aug 2022 14:51:26 +0200 Original-Received: from localhost ([::1]:44836 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oKfkb-0004OY-5c for ged-emacs-devel@m.gmane-mx.org; Sun, 07 Aug 2022 08:51:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42922) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKfj5-0002L6-My for emacs-devel@gnu.org; Sun, 07 Aug 2022 08:49:52 -0400 Original-Received: from quimby.gnus.org ([2a01:4f9:2b:f0f::2]:46420) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKfj4-0001Bv-Cp for emacs-devel@gnu.org; Sun, 07 Aug 2022 08:49:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=gp+TtHIrizeM2fRh3je3dglBg3FnAahwifI+rWAGGIk=; b=KKhYefGS4gjenqlnew79/I3GD9 I7jksE76T2EUTTN3PKLGudaoFtGnOO0zF3C1JApiDj+KISj4KcWNJLvw0QnVnbfu/PpprGmtQqNAC Hv8kN7iyj3itCHRCClImlvcz/ivW0cAgqVSiRHbiZ6aqrzfWNdwNIr2CgrsG64uRf3MI=; Original-Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oKfiz-0006Z7-3N; Sun, 07 Aug 2022 14:49:47 +0200 In-Reply-To: (Alan Mackenzie's message of "Sat, 6 Aug 2022 21:29:41 +0000") Received-SPF: pass client-ip=2a01:4f9:2b:f0f::2; envelope-from=larsi@gnus.org; helo=quimby.gnus.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:293196 Archived-At: Alan Mackenzie writes: > I've just committed some optimisations to the savannah master branch > which should speed up the handling of long C++ raw strings in an Emacs > where font-locking is fully working. > > On a megabyte long raw string in a normal build on a reasonably modern > machine, the response is slightly sluggish, but not unreasonable to > somebody who prefers correct fontification to instant response. I tried the same test case as before, yanking a 1MB long line into a raw string, and Emacs is still hanging after 20s (at which point I'm killing it).