From owner-freebsd-virtualization@FreeBSD.ORG Tue Jan 28 20:04:44 2014 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4876EF40; Tue, 28 Jan 2014 20:04:44 +0000 (UTC) Received: from mail-pa0-x232.google.com (mail-pa0-x232.google.com [IPv6:2607:f8b0:400e:c03::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 18B58144D; Tue, 28 Jan 2014 20:04:44 +0000 (UTC) Received: by mail-pa0-f50.google.com with SMTP id kp14so796924pab.23 for ; Tue, 28 Jan 2014 12:04:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Ig1TP5pFjwyNuEFi4HYEhz6r3QpmYb4snsge3t41zsw=; b=DyF6s4gL2MaY0oGbUbg3Qnz5ZoXy4sGF+L65ilsJR4uJObjNFMysm3GwhedwElTKAh CV4hIECnHFBnhRhwZsdXuJncQ8pIXnQBzjyvTDUt2hIuMpx71GMgjENKRsLbGro0ekbX JC7xh1Pf5Os/z4ImCJyqwf17C0W8fNcRJ9NNX/Ckkq3lg10SGB+DxT0YPSETVxKoATFW 6ujXAQ2F1wNBS5ZQWyjckDH5m4bdOIaoefvag3DT4OFaYxHdhBmHvvjp1+9v2KUEYskZ ahLlE/+oBH+3Ln0DsJ9rBJc86IeuNtbPE39OlKmL0FoTcK+jvuCp4pPIGX/tc9DKFEIp 0WMw== MIME-Version: 1.0 X-Received: by 10.66.16.131 with SMTP id g3mr3571259pad.138.1390939481612; Tue, 28 Jan 2014 12:04:41 -0800 (PST) Received: by 10.68.155.38 with HTTP; Tue, 28 Jan 2014 12:04:41 -0800 (PST) In-Reply-To: <52E7D666.30503@freebsd.org> References: <52E7D666.30503@freebsd.org> Date: Tue, 28 Jan 2014 15:04:41 -0500 Message-ID: Subject: Re: BHyVe - ESXi comparison From: Aryeh Friedman To: Peter Grehan Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jan 2014 20:04:44 -0000 On Tue, Jan 28, 2014 at 11:10 AM, Peter Grehan wrote: > Hi Andrea, > > > We did a very rough comparison betweend BHyVe and VMWare ESXi. Maybe >> you want to give it a read and let me know if I did write a bunch of >> sh!t :-) >> > > Looks good to me :) Thanks for running the tests. > > Would you be able to list the command options you used with bhyve when > running these tests ? > > What I couldn't really understand (but that's something not related >> to bhyve or VMWare) is how a multiprocessor machine is slower than a >> singleprocessor machine in doing the compilation... any idea? >> > > Is hyper-threading enabled on your system ? If not, then with a host only > having 2 CPUs and a 2 vCPU guest, there isn't as much opportunity to > overlap host i/o threads with vCPU threads. > Depends on how your setting up bhyve for example PetiteCloud limits it to no more then a 1 to 1 ratio of real to virtual cpu (after playing with something I will be posting about later today [me and Dee have the policy of no pronouncements] I am seriously thinking making this n vcpu to 1 real cpu... what do people think the best way to implement and the right ration for this is...) -- Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org