From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.devel Subject: Re: A faster derived-mode-p Date: Sun, 14 Feb 2021 22:45:19 +0000 Message-ID: <878s7q9slc.fsf@tcd.ie> References: <87k0ra9z7w.fsf@gnus.org> <428be4d8-9b35-c581-1357-20bb6ecb1ed8@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11819"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Lars Ingebrigtsen , emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Feb 14 23:46:22 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 1lBQ9l-0002y9-US for ged-emacs-devel@m.gmane-mx.org; Sun, 14 Feb 2021 23:46:21 +0100 Original-Received: from localhost ([::1]:53418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lBQ9l-00019z-0m for ged-emacs-devel@m.gmane-mx.org; Sun, 14 Feb 2021 17:46:21 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55796) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBQ92-0000iR-Gx for emacs-devel@gnu.org; Sun, 14 Feb 2021 17:45:36 -0500 Original-Received: from mail-wm1-x330.google.com ([2a00:1450:4864:20::330]:50347) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lBQ8q-0005Eb-Lt for emacs-devel@gnu.org; Sun, 14 Feb 2021 17:45:34 -0500 Original-Received: by mail-wm1-x330.google.com with SMTP id u5so1788300wmj.0 for ; Sun, 14 Feb 2021 14:45:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tcd.ie; s=google21; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=/Z4su81k2yF644B9TrFlOjY/ygsU9b9MN2W2ObgP15M=; b=Uz8EAvPJjWNm4dqD7KcIi0N10IQCy0XXJ96aPaIvrjdveYrjgC7wfF24gy2ebDK5T5 W76QLuUFpRwamhjrRY+cPeXw3GsT5rdKdp1BcK3JHs+RuPnJHcTaBoKG8Qm3j5W3hk24 jwD2EoGJb9diI++7sDoLM6nBWDI7ziKjoI90svcwi3fUrXvvnYpokfUat/yIj5mvfiwv y16tn5Ioo1l4Nvo+ZMcjZiIq6pxByveyJRVc8bsrAWDFAzz59ggj7NweZPlPQ8ylsRSW cGzkicKkEcpCyDw0yAsMeg/F5QEdG3Kxlywa7fdG9F6aJ8oifrbTOpXl3oBid8Gvlao/ d8Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=/Z4su81k2yF644B9TrFlOjY/ygsU9b9MN2W2ObgP15M=; b=PY5+yUfru6COHpD9HhxM/YIK+KrXZmS8f8SLriKaJlGDQCdXCLRRuHf57SxQzqlgam ZK81/jVCkXi+2MPeEC/j1t7KOedJnOsfoHdZMGa0eHdtbQnJsHH0yITnLjcGAfRj57ud oS9hXeYVjAMH1Bp1XyiqHktE5YGrcdBWUU0J4TaK1JdvYT6wWq7nF7xTkAZAycjgnh/C yKlOix5XOiNW3PVjTegAIiuzpFi+Xs5808VFyZLNBICMqwaM3gqbTkOSWmAwgHC8RVyY dC5A7F2X49UBMkweoUSzg3Y40k0oVsFeSSyO/SjzvnPT1LxGFPaLqes0CHlOtUpXp+Hc vWSw== X-Gm-Message-State: AOAM5303Mu2VCcauFwf2enxmOOe2hK6H/qOOufFm6YjebPTIzW4JddCO UbiZIxg6EoMxMEk5bYDj/kbR/w== X-Google-Smtp-Source: ABdhPJzvfcb2nYdcx4Ezx9u6y2dbpuVPOQcEHCVGJ/lcTopEMUzpoaFtaSLiWFjYkZXWFdWNwjjInQ== X-Received: by 2002:a1c:dcd7:: with SMTP id t206mr11320939wmg.108.1613342721517; Sun, 14 Feb 2021 14:45:21 -0800 (PST) Original-Received: from localhost ([2a02:8084:20e2:c380:d15:339e:aa10:60f1]) by smtp.gmail.com with ESMTPSA id n66sm23477221wmn.25.2021.02.14.14.45.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Feb 2021 14:45:20 -0800 (PST) In-Reply-To: <428be4d8-9b35-c581-1357-20bb6ecb1ed8@yandex.ru> (Dmitry Gutov's message of "Mon, 15 Feb 2021 00:25:57 +0200") Received-SPF: none client-ip=2a00:1450:4864:20::330; envelope-from=contovob@tcd.ie; helo=mail-wm1-x330.google.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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:264790 Archived-At: Dmitry Gutov writes: > On 14.02.2021 22:22, Lars Ingebrigtsen wrote: >> There are only 11K commands in the Emacs tree, so I don't know whether >> the current default completion predicate is going to turn out to be >> problematically slow or not. > > I just evaluated > > (length (cl-delete-if-not #'commandp obarray)) > > in a running Emacs session with a bunch of third-party packages installed and > loaded, and that still evaluated only to 1083. That's not counting the obarray's buckets. I get ~6x as many results in my session with (length (all-completions "" obarray #'commandp)). -- Basil