From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores Date: Sat, 22 Jul 2023 08:27:32 +0300 Message-ID: <83h6pwa52z.fsf@gnu.org> References: <87fs5hemi1.fsf@gmx.de> <83edl11qzn.fsf@gnu.org> <874jlxebz5.fsf@gmx.de> <87lef9mqio.fsf@localhost> <87edl1scbw.fsf@gmx.de> <87fs5hmp6i.fsf@localhost> <87cz0lmoxy.fsf@localhost> <83v8edzb31.fsf@gnu.org> <87r0p1cta3.fsf@gmx.de> <87pm4ll7ox.fsf@localhost> <87a5vpcmc7.fsf@gmx.de> <878rb9l1f5.fsf@localhost> <87zg3pb6yt.fsf@gmx.de> <83zg3p9s39.fsf@gnu.org> <878rb944wi.fsf@localhost> <83tttx9q4v.fsf@gnu.org> <87pm4lb4fr.fsf@gmx.de> <83pm4l9n0o.fsf@gnu.org> <87jzutb14l.fsf@gmx.de> <83mszp9kl2.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34923"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dmitry@gutov.dev, yantar92@posteo.net, michael.albinus@gmx.de, rms@gnu.org, 64735@debbugs.gnu.org To: Spencer Baugh Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 22 07:28:24 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1qN5AD-0008qS-P8 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qN58r-0007YI-Cl; Sat, 22 Jul 2023 01:26:58 -0400 In-Reply-To: (message from Spencer Baugh on Fri, 21 Jul 2023 15:33:13 -0400) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:265770 Archived-At: > From: Spencer Baugh > Cc: Michael Albinus , dmitry@gutov.dev, > yantar92@posteo.net, 64735@debbugs.gnu.org, Richard Stallman > > Date: Fri, 21 Jul 2023 15:33:13 -0400 > > Eli Zaretskii writes: > > The first idea that comes to mind is to reimplement > > directory-files-recursively in C, modeled on how Find does that. > > If someone was thinking of doing that, they would be better off > responding to RMS's earlier request for C programmers to optimize this > behavior in find. No, the first step is to use in Emacs what Find does today, because it will already be a significant speedup. Optimizing the case of a long list of omissions should come later, as it is a minor optimization.