From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: Major modes using `widen' is a good, even essential, programming practice. Date: Sun, 07 Aug 2022 20:49:03 +0200 Message-ID: <87lerzrisg.fsf@telefonica.net> References: <6ae35c9306ade07b4c45@heytings.org> <835yj4xhh7.fsf@gnu.org> <83y1w0w0gk.fsf@gnu.org> <83pmhcvugm.fsf@gnu.org> <651cad2f-3ce3-22dd-0829-38dd3c46ec40@yandex.ru> <83o7wwvsqf.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38053"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:+vwAImqGF9XNc0q70y5t4wGLImk= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Aug 07 20:50:37 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 1oKlMC-0009mp-Fq for ged-emacs-devel@m.gmane-mx.org; Sun, 07 Aug 2022 20:50:36 +0200 Original-Received: from localhost ([::1]:34448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oKlMB-0000go-30 for ged-emacs-devel@m.gmane-mx.org; Sun, 07 Aug 2022 14:50:35 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKlKr-0008P9-3g for emacs-devel@gnu.org; Sun, 07 Aug 2022 14:49:13 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:41742) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKlKp-0003aY-Io for emacs-devel@gnu.org; Sun, 07 Aug 2022 14:49:12 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1oKlKn-00081L-EY for emacs-devel@gnu.org; Sun, 07 Aug 2022 20:49:09 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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:293227 Archived-At: Eli Zaretskii writes: >> > Yes, and that's SLOOOWWWW! >> >> It's not slow on files of reasonable size. E.g. even if we take xdisp.c >> (the file I've seen referred to in complaints on CC Mode's speed), >> >> (benchmark 1 '(save-excursion (parse-partial-sexp (point-min) >> (point-max)))) >> >> reports 20-50 ms on my machine. > > It takes 0.5 sec here. Is that the unoptimized build you usually work with?