From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: XP installation speed: KVM vs Xen Date: Wed, 28 Feb 2007 18:40:26 +0200 Message-ID: <45E5B07A.3040700@qumranet.com> References: <1172609205.6539.9.camel@localhost.localdomain> <45E52AEE.6030107@qumranet.com> <1172679377.5261.38.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: aolney-lg4TTeReta+Vc3sceRu5cw@public.gmane.org Return-path: In-Reply-To: <1172679377.5261.38.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Andrew Olney wrote: > I'd almost swear that KVM is faster with an XP raw image that was > installed by Xen, than it is with a raw image installed by KVM. > > That may well be. Perhaps the images have different HALs. Compare the values under My Computer | Properties | Hardware | Device Manager | Computer. Maybe one uses the "Standard PC" HAL (faster) and the other the ACPI HAL (slower). You can also change HALs (required reboot). > On Wed, 2007-02-28 at 09:10 +0200, Avi Kivity wrote: > >> Andrew Olney wrote: >> >>> I've been migrating from Xen to KVM for a wide variety of reasons. >>> >>> I've noticed, however, that XP installs much much faster with Xen (3.03 >>> xen-image-xen0-2.6.17-6-generic-xen0 ubuntu) than with KVM (14). >>> >>> >> btw, as both Xen and kvm use qemu, Xen full virtualization images should >> work without change in kvm. >> >> >> >> > > -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV