From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id aD33EoeFz1+yZQAA0tVLHw (envelope-from ) for ; Tue, 08 Dec 2020 13:54:15 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id WMbIDoeFz1+LYAAAB5/wlQ (envelope-from ) for ; Tue, 08 Dec 2020 13:54:15 +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 020BC9401BF for ; Tue, 8 Dec 2020 13:54:15 +0000 (UTC) Received: from localhost ([::1]:48546 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmdRV-00023n-UO for larch@yhetil.org; Tue, 08 Dec 2020 08:54:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46198) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmdOR-0008P1-No for guix-patches@gnu.org; Tue, 08 Dec 2020 08:51:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:45374) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kmdOR-00034U-FH for guix-patches@gnu.org; Tue, 08 Dec 2020 08:51:03 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kmdOQ-0005jO-Cv for guix-patches@gnu.org; Tue, 08 Dec 2020 08:51:02 -0500 X-Loop: help-debbugs@gnu.org Subject: [bug#45102] [PATCH 0/4] Making fewer 'stat' calls during startup Resent-From: Mathieu Othacehe Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Tue, 08 Dec 2020 13:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45102 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: 45102@debbugs.gnu.org Received: via spool by 45102-submit@debbugs.gnu.org id=B45102.160743542321981 (code B ref 45102); Tue, 08 Dec 2020 13:51:02 +0000 Received: (at 45102) by debbugs.gnu.org; 8 Dec 2020 13:50:23 +0000 Received: from localhost ([127.0.0.1]:56920 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmdNm-0005iS-T6 for submit@debbugs.gnu.org; Tue, 08 Dec 2020 08:50:23 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52796) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmdNi-0005i3-Un for 45102@debbugs.gnu.org; Tue, 08 Dec 2020 08:50:22 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:49976) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmdNc-0002da-3Q; Tue, 08 Dec 2020 08:50:12 -0500 Received: from [2a01:e0a:19b:d9a0:1037:ae1:62bd:ffe9] (port=53314 helo=cervin) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kmdNZ-0005FA-Ov; Tue, 08 Dec 2020 08:50:11 -0500 From: Mathieu Othacehe References: <20201207152159.28551-1-ludo@gnu.org> Date: Tue, 08 Dec 2020 14:50:08 +0100 In-Reply-To: <20201207152159.28551-1-ludo@gnu.org> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Mon, 7 Dec 2020 16:21:59 +0100") Message-ID: <871rg0tnjj.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -2.80 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Migadu-Queue-Id: 020BC9401BF X-Spam-Score: -2.80 X-Migadu-Scanner: ns3122888.ip-94-23-21.eu X-TUID: /l+0j/ouejgx Hey Ludo, > The semantic difference should be invisible to users: their modules > are still visible and usable in manifests, in =E2=80=98guix repl=E2=80=99= , etc.; they > just cannot take precedence over modules from Guile and from the > channels. For instance, one cannot define a (gnu packages base) > module or (ice-9 rdelim), drop it in $GUILE_LOAD_PATH, and have that > module picked up in lieu of the original one. I think that=E2=80=99s a > reasonable tradeoff. I think that's reasonable too. I tested it locally and have the following command: --8<---------------cut here---------------start------------->8--- strace -c -e stat,openat ./pre-inst-env guix --8<---------------cut here---------------end--------------->8--- drop from 1671 calls to 1017 calls, which is nice. The patchset looks good to me. Thanks, Mathieu