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 ms0.migadu.com with LMTPS id 4CZ3HRA0+GDR1gAAgWs5BA (envelope-from ) for ; Wed, 21 Jul 2021 16:49:52 +0200 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 +HQuGRA0+GD1SQAAB5/wlQ (envelope-from ) for ; Wed, 21 Jul 2021 14:49:52 +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 2B94C3D56 for ; Wed, 21 Jul 2021 16:49:52 +0200 (CEST) Received: from localhost ([::1]:37624 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m6DXj-0005Sk-7v for larch@yhetil.org; Wed, 21 Jul 2021 10:49:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m6DWw-00047u-4n for guix-patches@gnu.org; Wed, 21 Jul 2021 10:49:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:54917) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m6DWv-0003IW-T2 for guix-patches@gnu.org; Wed, 21 Jul 2021 10:49:01 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1m6DWv-0005I2-L3 for guix-patches@gnu.org; Wed, 21 Jul 2021 10:49:01 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#49421] [PATCH] profiles: Optimise 'fonts-dir-file'. Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Wed, 21 Jul 2021 14:49:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 49421 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Maxime Devos Cc: 49421@debbugs.gnu.org Received: via spool by 49421-submit@debbugs.gnu.org id=B49421.162687893320316 (code B ref 49421); Wed, 21 Jul 2021 14:49:01 +0000 Received: (at 49421) by debbugs.gnu.org; 21 Jul 2021 14:48:53 +0000 Received: from localhost ([127.0.0.1]:38230 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m6DWn-0005Hb-Ey for submit@debbugs.gnu.org; Wed, 21 Jul 2021 10:48:53 -0400 Received: from eggs.gnu.org ([209.51.188.92]:53256) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m6DWl-0005HK-Rs for 49421@debbugs.gnu.org; Wed, 21 Jul 2021 10:48:52 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:50362) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m6DWf-000397-Nh; Wed, 21 Jul 2021 10:48:45 -0400 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=45270 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m6DWf-0002a1-GE; Wed, 21 Jul 2021 10:48:45 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87a6myoyl5.fsf@gnu.org> <5ec75ed429133cbc73dc7916959302033fe70a13.camel@telenet.be> <87pmviw8f6.fsf@gnu.org> <5af3b4c9975873800e371da77c6ba929f7bd90d7.camel@telenet.be> Date: Wed, 21 Jul 2021 16:48:43 +0200 In-Reply-To: <5af3b4c9975873800e371da77c6ba929f7bd90d7.camel@telenet.be> (Maxime Devos's message of "Sat, 17 Jul 2021 16:42:51 +0200") Message-ID: <875yx3hgdw.fsf_-_@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1626878992; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:resent-cc: resent-from:resent-sender:resent-message-id:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post; bh=dQ8wwKcbTH0l5zH+K0t0Yl8AVIpMoQo2ApNBSUVio3E=; b=M+rs+T8nCYZsfAZgLlXaIS7CTNqHvn0DjeP4MHewLnfhakIwxf9ceMktqIR0cgZebDQwrS QRd2zqE2f7iokLJUuluffEsZU59RUfiSaSkAVniQk5lLpKCeKLIk7QMtqr3ld/jrm+UGfO FzyUIzPE420ch3LWhaXnByTD2atrlfa983fAvlas8ORQg5sB5iOcAJv/Jwc9gyCRbaiaMp 58e8ejxCHAkivtERhFN2DKCUjtpUeLOJSQbecTl7sw8sCu7+yh5znuhbhRoXYiIlEUmLrQ j5lXaFkYWGeHbDtZwr+aJ5hTfMmOBj58R0rONsvxa3mwUvm2SyaqGIvzHUsn1A== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1626878992; a=rsa-sha256; cv=none; b=YXsX5LXEBVvfHhfNSjCwXCATmJDElvl8v4WvQTOXuJmTs0C3tdS18aSZ2Vvm/xnNNgCWMT NU2LLZJYD+DhsdviohdYziVWGckxijdkzR0cGwgqJDxGfS5MX1CHRnb0fs34CfTp+BcmUJ ZR0kLWs2Td1cK3xkZ+V5QQOY0Bs1uBtd7foREp1n+a856CP0bGIO1g9UxH3TQhHjqeAC9B FzfymGG7vs5va1WzqCeTWiGxzxz5htEsnb5uG5fqP0m0w9xWaF+MyFb99WUbXz0T0/dd1l 6QajdVV7QoDM7Qf4k+4nP3atvUOt2477LJX149Bj+U8yXlKjC0nGLLt1WJAkBw== ARC-Authentication-Results: i=1; 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-Spam-Score: -1.41 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: 2B94C3D56 X-Spam-Score: -1.41 X-Migadu-Scanner: scn0.migadu.com X-TUID: uUexkWmpjGN8 Hello, Maxime Devos skribis: > Ludovic Court=C3=A8s schreef op vr 16-07-2021 om 18:05 [+0200]: >> Ouch, that=E2=80=99s way more than what I=E2=80=99m observing. :-) Do = you have a >> manifest or package list to reproduce that? Were those timings on a >> spinning disk? > > It is on a spinning disk. I attached the output of "guix package --expor= t-manifest". I isolated =E2=80=98fonts-dir.drv=E2=80=99 for that profile and here=E2=80= =99s what I get with a ~5yo SSD: --8<---------------cut here---------------start------------->8--- $ time guix build /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.dr= v --check The following profile hook will be built: /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv building fonts directory... successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir real 0m24.651s user 0m2.120s sys 0m0.164s $ time guix build /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.dr= v --check The following profile hook will be built: /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv building fonts directory... successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir real 0m12.025s user 0m1.924s sys 0m0.036s --8<---------------cut here---------------end--------------->8--- That=E2=80=99s fairly significant (it baffles me that it=E2=80=99s still 20= x less than what you see with a spinning disk!). There are only 327 fonts in there: --8<---------------cut here---------------start------------->8--- $ wc -l /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/t= ruetype/fonts.* 328 /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/tru= etype/fonts.dir 328 /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/tru= etype/fonts.scale 656 totalo --8<---------------cut here---------------end--------------->8--- Thanks, Ludo=E2=80=99.