From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: John Wiegley Newsgroups: gmane.emacs.devel Subject: Re: master 4b79c80c999 1/2: New function 'sort-on' Date: Wed, 06 Mar 2024 12:12:54 -0800 Message-ID: References: <170688047526.14693.2994051491358257471@vcs2.savannah.gnu.org> <20240202132756.4272CC0EFE7@vcs2.savannah.gnu.org> <87cytej4hy.fsf@daniel-mendler.de> <86zfwi52m1.fsf@gnu.org> <87plxe28as.fsf@web.de> <86wmrm50i5.fsf@gnu.org> <3ff9d4cf-7b4f-4924-8663-3f43625760bf@gutov.dev> <87zfvldokn.fsf@web.de> <8b31204f-4e8c-4c56-bbc7-73c9bfabb651@gutov.dev> <87edcq8pgm.fsf@web.de> <6df7bc2e-4fc4-4ed8-8dfe-9b3b74c6ae8a@gutov.dev> <8734t5hzl2.fsf@web.de> <87frx5q8qp.fsf@web.de> <86v860luop.fsf@gnu.org> <877cighwqf.fsf@web.de> <864jdjlfxd.fsf@gnu.org> <3ef80237-e393-450a-a87f-7c588424f29f@gutov.dev> Mime-Version: 1.0 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="5637"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , Michael Heerdegen , emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Mar 06 21:14:03 2024 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 1rhxeN-0001Ho-3m for ged-emacs-devel@m.gmane-mx.org; Wed, 06 Mar 2024 21:14:03 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rhxde-00081Y-4l; Wed, 06 Mar 2024 15:13:18 -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 1rhxdb-00081F-RL for emacs-devel@gnu.org; Wed, 06 Mar 2024 15:13:15 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rhxdb-000223-3s; Wed, 06 Mar 2024 15:13:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:References:Date:In-Reply-To:Subject:To: From; bh=bNbQYoQO7a+oYKvFnmB9mQVLRxqd9CExDkpWg1obkBI=; b=PVcaNuaDmAhTlwbE621E q4WxLnAr/HEOPronJk6xZpYV2E4CCdhz7xJRto9DfmDiJ3QzjtJ6BoYAyBiWAWra7qnC3YxvzPK1q J1XnSOOeOQF1AWm44wLVXv+trzEawBBNQZI8Rj0zqHmsr6o5qd7YSn/RHwqp4ltO14CWfNAx9t515 62xh8AFwuNtc+cJ6loh5WJ4dw+k6q1UKrqPnUvleTOe3v68U3jbLDp1rCxXLNFgI0cIazyh0LzVC4 1ahkpB84NSrMSSWx2BEZE6TYG4jofe+rXlvjbIX9hSjKFXR1X3e0NHp82i2t0AGprgysdeOC1t+MP +3rKN4phnjbsqg==; X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledriedugdduvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefujgffkfhffgggtgfgsehtqhertddtreejnecuhfhrohhmpeflohhh nhcuhghivghglhgvhicuoehjohhhnhifsehgnhhurdhorhhgqeenucggtffrrghtthgvrh hnpeetleelueejleevgffhgfeggeffvdeiiefgkeetveejleehudetgfejieffgffftden ucffohhmrghinhepnhgvfigrrhhtihhsrghnshdrtghomhenucevlhhushhtvghrufhiii gvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehjohhhnhifodhmvghsmhhtphgruhht hhhpvghrshhonhgrlhhithihqdeikeejkedtleeggedqudejjeehfeekudeiqdhjohhhnh ifpeepghhnuhdrohhrghesnhgvfigrrhhtihhsrghnshdrtghomh X-ME-Proxy: Feedback-ID: ib64945b7:Fastmail In-Reply-To: <3ef80237-e393-450a-a87f-7c588424f29f@gutov.dev> (Dmitry Gutov's message of "Wed, 6 Mar 2024 20:34:38 +0200") Mail-Followup-To: Dmitry Gutov , Eli Zaretskii , Michael Heerdegen , emacs-devel@gnu.org 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:316864 Archived-At: >>>>> Dmitry Gutov writes: > Here's a version from Daniel as well: This version from Daniel looks pretty optimal to me. It trades building a whole new list spine that is sent to GC, for an extra O(n) traversal to =E2=80=9Crestore=E2=80=9D each of the original list cells. Done in C, I hav= e a feeling that would beat the GC. --=20 John Wiegley GPG fingerprint =3D 4710 CF98 AF9B 327B B80F http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2