From owner-freebsd-questions@freebsd.org Fri Nov 18 16:00:57 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 87396C48A35 for ; Fri, 18 Nov 2016 16:00:57 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from oceanview.tundraware.com (oceanview.tundraware.com [45.55.60.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "oceanview.tundraware.com", Issuer "oceanview.tundraware.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ED4B1C5F for ; Fri, 18 Nov 2016 16:00:56 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from [192.168.0.2] (ozzie.tundraware.com [75.145.138.73]) (authenticated bits=0) by oceanview.tundraware.com (8.15.2/8.15.2) with ESMTPSA id uAIG0NW9044110 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 18 Nov 2016 10:00:24 -0600 (CST) (envelope-from tundra@tundraware.com) Subject: Re: how long does a make buildworld normally take? To: Warren Block , "Christoph P.U. Kukulies" References: Cc: "freebsd-questions@freebsd.org" From: Tim Daneliuk Message-ID: Date: Fri, 18 Nov 2016 10:00:18 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.1 (oceanview.tundraware.com [45.55.60.57]); Fri, 18 Nov 2016 10:00:24 -0600 (CST) X-TundraWare-MailScanner-Information: Please contact the ISP for more information X-TundraWare-MailScanner-ID: uAIG0NW9044110 X-TundraWare-MailScanner: Found to be clean X-TundraWare-MailScanner-From: tundra@tundraware.com X-Spam-Status: No X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Nov 2016 16:00:57 -0000 On 11/18/2016 09:49 AM, Warren Block wrote: > On Fri, 18 Nov 2016, Christoph P.U. Kukulies wrote: > >> how long does a make buildworld normally take? > > There are too many options to really nail that down. I have two example environments - both running 10.3-STABLE, updated and recompiled nightly: Quad Core i5 3.2GHz / 8G - About 30 mins for full buildworld (including LLDB) and 2 kernels Single Core VPS Xeon CPU E5-2650L v3 @ 1.80GHz / 1G - As above, no LLDB - 5 hours Bear in mind that the VPS is presumably sharing that core with many other instances, hence the long compile times. Also, it is severely memory constrained and is probably swapping mightily during these compiles. FWIW, I have noted that this is very much a CPU-bound problem. Doing the work on faster drives - like SSDs - seems to not make much difference on a given machine. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/