From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.bugs Subject: bug#66816: [PATCH] Delete redundant lambdas around unary functions Date: Sun, 29 Oct 2023 20:03:16 +0100 Message-ID: <1F4EC90D-4A07-4B24-B699-5AC1CC6A8408@gmail.com> References: Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.15\)) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18822"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Stefan Monnier , 66816@debbugs.gnu.org To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Oct 29 20:04:53 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 1qxB5g-0004dS-Cj for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 29 Oct 2023 20:04:52 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qxB5N-0004yv-5T; Sun, 29 Oct 2023 15:04:33 -0400 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 1qxB5K-0004y7-PS for bug-gnu-emacs@gnu.org; Sun, 29 Oct 2023 15:04:31 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qxB5J-0002oB-Fd for bug-gnu-emacs@gnu.org; Sun, 29 Oct 2023 15:04:29 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qxB5p-0000FG-T0 for bug-gnu-emacs@gnu.org; Sun, 29 Oct 2023 15:05:01 -0400 X-Loop: help-debbugs@gnu.org In-Reply-To: Resent-From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 29 Oct 2023 19:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66816 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 66816-submit@debbugs.gnu.org id=B66816.1698606242847 (code B ref 66816); Sun, 29 Oct 2023 19:05:01 +0000 Original-Received: (at 66816) by debbugs.gnu.org; 29 Oct 2023 19:04:02 +0000 Original-Received: from localhost ([127.0.0.1]:43366 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qxB4r-0000Db-SW for submit@debbugs.gnu.org; Sun, 29 Oct 2023 15:04:02 -0400 Original-Received: from mail-lf1-x135.google.com ([2a00:1450:4864:20::135]:54671) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qxB4o-0000Cw-EA for 66816@debbugs.gnu.org; Sun, 29 Oct 2023 15:04:00 -0400 Original-Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-507a29c7eefso5379959e87.1 for <66816@debbugs.gnu.org>; Sun, 29 Oct 2023 12:03:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1698606199; x=1699210999; darn=debbugs.gnu.org; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:sender:from:to:cc:subject:date :message-id:reply-to; bh=LFQ7hfbOKfDoS5V0RO1D9H4kuCC5VuO4+f17kTqQDq0=; b=QhpMnD8Zr7POOXCi12U4qO11Aok36/rhHHahc/nOaF+SPQDvvKH/Nug8gqHbiQvnER XJqjRmSFGVawH8bFQQMBzdhCbNDcKcsJvqFpTd9bdqY7QqI2GcQYzKQ2WNt1TPqTC1wM qiIKq0Zpc7ZbsbXCQ1lx77njBXjFB1QOdaWO+cralGSBWJSCOtUke2QElJ+AKMJDvjVq 3tHjdDTuUS58sKsg6C8dB5qNdb0xZ1BykVyiYiP8IHVslZxQXHnVMop0Ejv0VTWziwy0 wVAqNHFsEi0nKJgjZzNR3R6zBa1lOu4h3KKVE9SXSDoZVjRCpfds+lyDX9oGzYPKuPYr HngQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698606199; x=1699210999; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LFQ7hfbOKfDoS5V0RO1D9H4kuCC5VuO4+f17kTqQDq0=; b=YWxx/Ja2LlHUfCWmiJOm7uc9kW9d4+YfmSVHApVbJxIjNAwxkrh3EglVo8bFKcy8GD +uqu1IS65OGO+qreb086Lkv1KyiIoyj9PvBVBAp2KmCr6y47q7rmW63CNciLueDY1wvf /D9lAlwZVEn4tSfQA+uQyumz73jZFsgWV/x7tzGXvTQXiBLJQFzosaZYlTS/hofa/+8r 11MQA2ARhdpGiRWVixBphqRcgvNdzDR4UWwegqEMSTuIwNHl4vkivlLYZNuvzOgxl+VZ NREaNctuqAnRyVXis5VjTZT7iYMep4ehu60DGW5cDCC6x/L1ms5W/AKreJ4bY3f9UUYY 1hBQ== X-Gm-Message-State: AOJu0YwIlcNT/jnva0qz6+70M7Dl5i6iLUdLSKhI7kKY3rzTV+Cg/W4T 0BJrXjrlNFn/gm76szoqJ/0= X-Google-Smtp-Source: AGHT+IEwABxPWd2WRn5T0/7anpWs6mR8jhjazGrSGSljl+GyuxFnzskt5Ku7qX/NUHniaLNBcR0Ggg== X-Received: by 2002:a05:6512:b05:b0:500:7c51:4684 with SMTP id w5-20020a0565120b0500b005007c514684mr550607lfu.56.1698606199033; Sun, 29 Oct 2023 12:03:19 -0700 (PDT) Original-Received: from smtpclient.apple (c188-150-165-235.bredband.tele2.se. [188.150.165.235]) by smtp.gmail.com with ESMTPSA id p10-20020a05651212ca00b00504816564c7sm1135635lfg.104.2023.10.29.12.03.17 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Oct 2023 12:03:18 -0700 (PDT) X-Mailer: Apple Mail (2.3654.120.0.1.15) 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:273524 Archived-At: > I've been able to measure around 10% better performance in the few = cases > I looked into. Here's an example: >=20 > (benchmark-run 1000 > (seq-filter (lambda (n) (bufferp n)) > (number-sequence 0 100000))) (This would be less of a problem if we could inline functions on the = Lisp level...) We could also have the compiler =CE=B7-reduce automatically. I = investigated this very briefly some time ago. Maybe I can dig up the = patch. One problem is that the arity isn't necessarily preserved. Most of the = time this isn't a problem but it could be something to watch out for if = doing the =CE=B7-reduction by hand.