From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f42.google.com (mail-pa0-f42.google.com [209.85.220.42]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 05428E013AB for ; Tue, 3 Sep 2013 20:02:15 -0700 (PDT) Received: by mail-pa0-f42.google.com with SMTP id lj1so7308119pab.29 for ; Tue, 03 Sep 2013 20:02:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=Gc/C2nxAArzQchQi5duFU+WZutBqdgYo9dlIVYMseiY=; b=HiqAVok490027jhsoqg0fcHf78jWfmoPy+uqjhlEYralzx7udD8JB7LHyf+TQvDQ8A C54a1FVsn3alv+1RkZpZiKVxANwAZPgMN+bd+j9u4gpPNCjIzCsWWBIcWIfQm56ONgh0 E5pZB5nJOKhbV/7rTYPfqENMreczE3C53pRe8aIg75hpo168gMwfB6iEeFCok8u27D1b 25enwLTzNF08K7mtguE65l3kByr+kpZq0d8Hqx4Sfa8eJMjfzTm26zzqpo77/lw7gTxV U+pjvuUI57Mx+qaPKuuBu+nGeNwUihhpEUzX2QGf5xIL36iAoBjEeGfelF/YE7wA3DEP 5Zzw== X-Received: by 10.68.189.98 with SMTP id gh2mr646462pbc.181.1378263735561; Tue, 03 Sep 2013 20:02:15 -0700 (PDT) Received: from [0.0.0.0] ([210.48.94.225]) by mx.google.com with ESMTPSA id yo2sm27651751pab.8.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 03 Sep 2013 20:02:14 -0700 (PDT) Sender: Chris Gagneraud Message-ID: <5226A2B2.9070601@gna.org> Date: Wed, 04 Sep 2013 15:02:10 +1200 From: Christian Gagneraud User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130803 Thunderbird/17.0.8 MIME-Version: 1.0 To: Elvis Dowson References: <52241C84.2090605@gna.org> <522506F8.8060706@gna.org> <0C95222C-9247-4FDD-837C-83FB03A314AC@keylevel.com> <52251F60.9060804@gna.org> <52255245.9090609@gna.org> In-Reply-To: Cc: "yocto@yoctoproject.org" Subject: Re: Server specs for a continuous integration system X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Sep 2013 03:02:20 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 03/09/13 20:55, Elvis Dowson wrote: > >>> >>> I use a 3770K i7 quad-core processor, 16GB RAM, with a liquid cooled >>> solution running at 3.8GHz. I've overclocked the CPU to 4.5GHz, but I >>> end up shaving only 2 minutes off build times, so I just run it at 3.8GHz. >>> >>> A core-image-minimal build takes around 22 minutes for me, for a Xilinx >>> ZC702 machine configuration (Dual ARM Cortex A9 processor + FPGA). >> >> Is it a full build from scratch (cross-toolchain, native stuff, etc...)? If so, it's quite impressive to me! > > Yes, it is a full build from scratch, and the core-image-minimal > builds the cross tool chain, kernel and root file system. A full kernel > build from scratch completes in under 1 or 2 minutes, can't remember > exactly, will let u know in a while. This represents approximately 1600 > tasks. A full meta-toolchain-sdk task takes about 40 minutes and > executes around 3600 tasks. I'll send some precise figures later on. Very interesting figures indeed. Not sure about the water cooling stuff, does that come in "standard", or did you build and tweak your server yourself? Up to now, I was thinking about an off-the-shelf server, maybe the best approach is to build it myself (actually get some people here build it themselves!) I would have another question concerning the CPU, Does anyone know how the Xeon E5 compare to the i7 in this context (build server and yocto)? Regards, Chris > > Best regards, > > Elvis Dowson >