From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id 2GF5OLhT11/dawAA0tVLHw (envelope-from ) for ; Mon, 14 Dec 2020 11:59:52 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id 2PNPNLhT11+FNwAA1q6Kng (envelope-from ) for ; Mon, 14 Dec 2020 11:59:52 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 37FFF940548 for ; Mon, 14 Dec 2020 11:59:52 +0000 (UTC) Received: from localhost ([::1]:52802 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kolAm-0003h2-MI for larch@yhetil.org; Mon, 14 Dec 2020 05:33:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kol9o-0002ql-Ux for guix-devel@gnu.org; Mon, 14 Dec 2020 05:32:46 -0500 Received: from mail-wr1-x42f.google.com ([2a00:1450:4864:20::42f]:39463) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kol9n-0002DN-BT; Mon, 14 Dec 2020 05:32:44 -0500 Received: by mail-wr1-x42f.google.com with SMTP id c5so12289686wrp.6; Mon, 14 Dec 2020 02:32:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version:content-transfer-encoding; bh=ITCDM6LRsyxyLsHP8HubGNuEbKCRPp9bhj+LQHumApI=; b=WN2lFsVs4MKvj7Fr2QZf0c59LZklsIf4MBtU1Y4bBDxhXUAxUyAVTIiyI203vqldmV 032PGZasy5FS4X3AWC5YCHTmGEFx4VNUaFL24RNG+vcv1nTWPoCfwnBIl794tdJWyqG4 MBn5aKAXekNGnDZTs+CFRuMnsfRMh0IJba/3EA/SCsB63rXAYC846HGMjm0WF/DyQW4c rOGZrtCdMxC5QWTiq3D3N/ilWWtXLszaI3ESEibk+uN0jvgYO8gO2qzghXRrvbtBLnLX k2E8R634W9EGpJiRpk6Tn7DdiHCkbCHiEDxBN/MIaLJH7a8hnoSe+Z6MYQpJ3nYb1h+K l5Cg== 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:in-reply-to:references:date :message-id:mime-version:content-transfer-encoding; bh=ITCDM6LRsyxyLsHP8HubGNuEbKCRPp9bhj+LQHumApI=; b=nqn4FU3lsd1NpcwLmvU8mE48zPZPuGfIKDlisWqD9AEbhrwmvjeTjmexX+W9DT1dMA +guHNejwgI7R8AAUBKw9JpY34ta9dAgJWLV3jdGAiriLV67D0XyMD77E8sP0IVxEM9tT lyLsrkmbDPhNr/F4na5vaZLnXtGNpIRoI7OeHvttq1PJjuMuBbi2AP3AxZ/aPtXMjxkN hUWlK/5uTRb6MSSDuxDr/zK3uZ0fn5zccwOygalOVKe+U21OGdktuhe7cpWuc0LPFVMA QjB+wbeL/tECmi9TvSnmIR3kI5/q1oMH8LiFcXJbFw2jAKQRgFgOKNWHHJ0+WgbEMEqB x/ag== X-Gm-Message-State: AOAM533oaK4nIl4Ui8EIC8ROj0c49fe7E0WfxvLzqWckHRaDOKLSJgaw n18TVwLmTBmiL/DlfzA89ORx32SWukg= X-Google-Smtp-Source: ABdhPJwaTlWUmI+Bth5IGwOGoAhVlPTEFCv+4u0oJM1yL6xn2yj2brMkVyoVAMOM7tz0gmvbdzrT6Q== X-Received: by 2002:a05:6000:1152:: with SMTP id d18mr26583673wrx.6.1607941961122; Mon, 14 Dec 2020 02:32:41 -0800 (PST) Received: from lili ([2a01:e0a:59b:9120:65d2:2476:f637:db1e]) by smtp.gmail.com with ESMTPSA id 94sm31558795wrq.22.2020.12.14.02.32.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Dec 2020 02:32:40 -0800 (PST) From: zimoun To: Leo Famulari Subject: Re: New =?utf-8?B?4oCcdW5ncmFmdGluZ+KAnQ==?= branch In-Reply-To: References: <87v9dcv8mt.fsf@gnu.org> Date: Mon, 14 Dec 2020 11:32:05 +0100 Message-ID: <86sg88oeze.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::42f; envelope-from=zimon.toutoune@gmail.com; helo=mail-wr1-x42f.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, 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: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Guix-devel Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -1.21 Authentication-Results: aspmx1.migadu.com; dkim=fail (headers rsa verify failed) header.d=gmail.com header.s=20161025 header.b=WN2lFsVs; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 37FFF940548 X-Spam-Score: -1.21 X-Migadu-Scanner: scn0.migadu.com X-TUID: wtQKPpJVM4y1 Hi Leo, On Tue, 08 Dec 2020 at 13:20, Leo Famulari wrote: > On Tue, Dec 08, 2020 at 03:13:40PM +0100, zimoun wrote: >> I have missed the discussion on IRC and I do not understand the >> rationale. What's the point of "ungrafting"? > > Grafts cause profile operations like `guix install` and `guix > environment` to be slower than without grafts. Yes, for sure. The manual is bit lying. :-) The cost of grafting is typically very low, and order of magnitudes lower than a full rebuild of the dependency chain. But if grafts is here, it is because of something. Therefore, I do not understand what it does mean =E2=80=9Cungraft=E2=80=9D. Avoid the grafting= mechanism when it is possible? All the best, simon