From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: file-equal-p Date: Thu, 16 Feb 2023 20:34:04 +0800 Message-ID: <87pma9pz5v.fsf@yahoo.com> References: <87a61es8fh.fsf.ref@yahoo.com> <87a61es8fh.fsf@yahoo.com> <83fsb681me.fsf@gnu.org> <87pmaaq9ua.fsf@yahoo.com> <838rgy7ztf.fsf@gnu.org> <874jrmq6bw.fsf@yahoo.com> <83357596a0.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="29245"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Feb 16 13:37:23 2023 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 1pSdVr-0007Hd-BR for ged-emacs-devel@m.gmane-mx.org; Thu, 16 Feb 2023 13:37:23 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pSdV4-00083c-IL; Thu, 16 Feb 2023 07:36:34 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pSdV0-000836-4Z for emacs-devel@gnu.org; Thu, 16 Feb 2023 07:36:32 -0500 Original-Received: from sonic311-50.consmr.mail.ne1.yahoo.com ([66.163.188.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pSdUx-0005rp-8O for emacs-devel@gnu.org; Thu, 16 Feb 2023 07:36:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1676550983; bh=Pg2Q7ITucUtrpdfPpLHY9NG+f0jOmZvl4hrct7H1qpw=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=loTcoz5pTRtk6Lh26Il1XPtGb2ACEiN4VV7ZfXvnhIbgxWah21D1VscgoeHmhXEeviSZzJ3uaem0JYb7G99zAvRW0WtrlRhP+8hMJ2vOAY/ZCQbg5r5lye83OKYPCxHvRsI6syI51TQ1yZyQy9N1xPR+NlcakOcLT0UWTO1tGVBkO4iy/F4E3JTtQz1Wenq0vxo8yBYXaxr4KXt5jrkWDh5cP074NjPV4U3XotJzw0PF580967CbH5FOvp07P6v/K9J6a/pOxRJG1a761PZ5S8CcvNW27GwaMbkmdZfb3SnGS5sa18EDES8vL1GqN8pB7YgA7sGfpkutBxiayqZtoA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1676550983; bh=ZeYpUWBTrvv1ncCwcGfFC2wG9ADXCVBrrBDyiDqVs8M=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=EjVGmkGWDPOyvYhgkXu0ctoZL/Af3Ke7KUX1wOb6XkGB4Ifw+2cLyCNuYUyvl2Ikc2b7aJBsaNb1trW04HtG3A7rtsAxF2mnJlVM/Fb+ryninBAF/R58bN342+emyAgguG0XemizspnyRU85wq6jnN4FPy/di7sEqOesk0hxhaUt4oRwTw9EBPGt2Wx1ayk5zI5Rwwd9j4uH7pHOGDyogBfv0yg+5MrMmW7BZ2wsbhUVvgGPzRhl+itCH7JyQR9uIFY0Egh7FedA9R/3qBxSZPZ/psP424TFZALaTaHBnf31NNg+kD7uaOTnAsgMx2oamXhoGnmxH7LJQHTdnp0J/Q== X-YMail-OSG: svvjD7cVM1lyaorzMLRvjRuYfASQCv49hRc7CyokNQ3OmjsW7YlnS_UlA7o7WSH qeQRDwlFK6X4EfaPqROAPB_bmGP9sI4q3Mp9mQat0oVet.tk3lXXEQkbNhW8L_d0O0FsEHM0BZHd Fl0bkeFvT7_ymU7P_vH63u0VwIs.GagHR6YM52tyq3ilmSNJb4iYKqgcZAzeHjJE_6RWaCESQ85H Q0BvKJc4PrgmR64ax66v7NMkRGoURkOcSej3AFDutq.pmwmOishZCcy_vLm_5ePb1nERMepF1Oq4 5eqpbwo3nhDBWT7MWka0t3e1sKprGwdhqoegDNu3Ur85zSn8l8qRH8Ll_8bzppBQyHByrWXe4TC6 ElFdy0tKkbCmp8av6geGO.GeAJ0_1qj6CxT7rdOtAEeBON52NTKJTQIMSJcuzxv8G8lhVTVPS_fG C6yhE49m6k.SJZ.0.nq0qeuUlx5ngf4hcoM8QKUImbwDfERn5K9m9KmGWWIrHNJRHEwJtJUK0K6z s4Tjg3bN5UCp.DqkIMnJt_ljJqB8N1JVslVxjyyWytDCtNNhbOgdHk_nPxTL9lOBgmqTc8umj2eQ 8y6zqLXM6tw0yQtNkcstXh8wucc3GLp7JHbWlUAu1lOTrnIQTL2jU.11NjtxqkaYGzLSy2w6kZq7 4QsNo.FCd.eYGDDJ7LJc_45d2ams2PgVb9yXmYRv5uGDGVklEPKmVLfZ8UlSZhhxtaFvRnGXsDwa GG.KLmim8jY6hNuhLwM_Do9_PNZ_xVOmQwWV6ZhPTjWjkrCrEnQUWiYFQp4S2EZPGvX91fBHb4f7 6btCu1KfGieieQhGfp4ULsGnWNobD9uYzMARsMtKG7 X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic311.consmr.mail.ne1.yahoo.com with HTTP; Thu, 16 Feb 2023 12:36:23 +0000 Original-Received: by hermes--production-sg3-9fc5746c8-nc5k6 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID ac858de042a74b6657498522de8006e6; Thu, 16 Feb 2023 12:34:21 +0000 (UTC) In-Reply-To: <83357596a0.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 16 Feb 2023 13:52:23 +0200") X-Mailer: WebService/1.1.21183 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.188.231; envelope-from=luangruo@yahoo.com; helo=sonic311-50.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:303408 Archived-At: Eli Zaretskii writes: > It is still one more test, done for everyone. Is file-equal-p a function called in particularly tight loops? I think trying to optimize out a test against system-type is premature. It will otherwise result in file-attributes being called two more times on the system being tested against.