From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Redisplay slower in Emacs 28 than Emacs 27 Date: Tue, 08 Dec 2020 13:39:44 -0500 Message-ID: References: <877dptiro7.fsf@gnus.org> <87pn3lhcdd.fsf@gnus.org> <878sa9hbe2.fsf@gnus.org> <877dptfvae.fsf@gnus.org> <83czzl8qwu.fsf@gnu.org> <87sg8h78s8.fsf@gnus.org> <837dpt8lk5.fsf@gnu.org> <87pn3kjssr.fsf@gnus.org> <83im9c70vu.fsf@gnu.org> <87im9cfeej.fsf@gnus.org> <837dps6xyv.fsf@gnu.org> <87czzkdx57.fsf@gnus.org> <83v9dc5he3.fsf@gnu.org> <87r1o0chk9.fsf@gnus.org> <83tusw5g5o.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="9061"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: ghe@sdf.org, Lars Ingebrigtsen , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Dec 08 19:49:22 2020 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 1kmi38-0002Ge-OG for ged-emacs-devel@m.gmane-mx.org; Tue, 08 Dec 2020 19:49:22 +0100 Original-Received: from localhost ([::1]:36908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmi37-0004yU-LT for ged-emacs-devel@m.gmane-mx.org; Tue, 08 Dec 2020 13:49:21 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36170) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmhuL-0005YJ-SS for emacs-devel@gnu.org; Tue, 08 Dec 2020 13:40:18 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:41330) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmhu7-0001yu-QH; Tue, 08 Dec 2020 13:40:14 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 887A1100246; Tue, 8 Dec 2020 13:39:47 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 49A2910005D; Tue, 8 Dec 2020 13:39:46 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1607452786; bh=KgUhgUcs8LIKcv0y5HC/2ZbwPtq5urbG5eFn/3WLHDQ=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=CeWyY71cV96AS6GMa2QDlQGc1AR1JvtvqtYxn33p1Zh00RumSebEYimzdZEg9GBDZ Rqx3tvjrikzHkceL+yapU0kEVnup/tC1hYu2H8AG21keK8PCIGcnTdOmJ9OBwQpTkI 2eXL1RnQwgueFn/48+SbpUGM1vhwlnyhkWiu2Ye9TnY5LRgdRr6j49feUJgjmmkJV9 BU+zAtzFuNXLx3EW/EZUFqfdYkNbC28GM7SN3T2M2zoiqFOfH6dwg3+Kh+ma5mhcLM CnGe2++lsv+ujh0xG3MNV+9bh0xNFEStpBLCLq/8PKTGFi8d1f+6DwLx3lMp/pYtlk LGlw2XErMND5g== Original-Received: from alfajor (69-165-136-52.dsl.teksavvy.com [69.165.136.52]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0B6AD1200C3; Tue, 8 Dec 2020 13:39:46 -0500 (EST) In-Reply-To: <83tusw5g5o.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 08 Dec 2020 20:03:31 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:260578 Archived-At: > Emacs 28 is still quite young. > Bottom line: I don't like such a change. I also think we should better understand why `Fequal` was a bad idea before we can decide what's the best option. Normally, `Fequal` should return super quickly if the two args are EQ. Stefan