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: Temporarily select-window, without updating mode-line face and cursor fill? Date: Wed, 05 May 2021 15:47:03 -0400 Message-ID: References: <56F746A2-B842-421E-8FBF-EA5E93EA26CE@gmail.com> <83pmya8d49.fsf@gnu.org> <904A57C8-C268-412F-815F-782017F47D5D@gmail.com> <83eeep8w0m.fsf@gnu.org> <81F181EB-D3C1-4619-B42A-1F49321EC544@gmail.com> <83y2ct2y79.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="27657"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Eli Zaretskii , jdtsmith@gmail.com, emacs-devel@gnu.org To: Stefan Kangas Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed May 05 21:48:43 2021 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 1leNVj-000764-N8 for ged-emacs-devel@m.gmane-mx.org; Wed, 05 May 2021 21:48:43 +0200 Original-Received: from localhost ([::1]:33020 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1leNVi-0001gT-4K for ged-emacs-devel@m.gmane-mx.org; Wed, 05 May 2021 15:48:42 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1leNUK-0000aQ-WA for emacs-devel@gnu.org; Wed, 05 May 2021 15:47:19 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:57901) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1leNUD-0003z8-G6; Wed, 05 May 2021 15:47:16 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id C9E251001FB; Wed, 5 May 2021 15:47:06 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 4CD6610019F; Wed, 5 May 2021 15:47:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1620244024; bh=QrcbiWBOvqXQ1zQSE/Xe76VuW3jkpbztYCqz5CRNdCI=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=URLgQOBthg8zF3qbWiOIzMZN44+juKkpcCg+s2IqLdnwvqrM0WbV5zxoCjL/Sxg/t dMpKXjhkODvEhBuSE/CMShHt8cTbtcXT8fA9wl1xObofvYywwXQHl3/YYqxzm+/tb6 mtp7I34VfVF04e5eKiApf56KoMbQ8dExhIz2ghROKBxOcdGoxi9toqMD1G9PDUMemC AxKHIEIby/xL7wpH4dqqcwsRRxoj3gc4Syn489md3LskHiqVRtf8v7LzczAlzQTrq2 6arGByGa0bpAiPMHHPg4oHSltW6xSWKHIaWC3fsnTVZTZaLzMb4ISfV1r8XXAqBh6p paiTrnDKVO5VQ== Original-Received: from alfajor (76-10-140-76.dsl.teksavvy.com [76.10.140.76]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 155EA1202C5; Wed, 5 May 2021 15:47:04 -0400 (EDT) In-Reply-To: (Stefan Kangas's message of "Wed, 5 May 2021 14:32:27 -0500") 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_HELO_NONE=0.001, SPF_PASS=-0.001 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:268926 Archived-At: > However, if I ramp up bench-run-times to 100000 I start seeing GC hits, > and then nlinum--line-number-at-pos can be up to 10 times slower > instead... I think the approach proposed by JD Smith to use modified-ticks rather than `after-change-functions` to detect changes should make it possible to have a replacement that doesn't allocate memory at all (except on the first use in a buffer to create the cache). Stefan