From: Avi Kivity <avi@redhat.com>
To: Stefan <kvm@pms.ifi.lmu.de>
Cc: kvm@vger.kernel.org
Subject: Re: 64 bit guest much faster ?
Date: Sun, 25 Oct 2009 07:41:24 +0200 [thread overview]
Message-ID: <4AE3E504.2080608@redhat.com> (raw)
In-Reply-To: <4AE1D1A4.6050001@pms.ifi.lmu.de>
On 10/23/2009 05:54 PM, Stefan wrote:
> Hello,
>
> I have a simple question (sorry I'm a kvm beginner):
> Is it right that a 64bit guest (8 CPUs, 16GB) is
> much faster than a 32bit guest (8 CPUs, 16GB PAE).
> (kvm guest and kvm host are Ubuntu 9.04, 2.6.28-15-server,
> kvm 1:84+dfsg-0ubuntu12.3). eg "dpkg-reconfigure initramfs-tools"
> runs twice as fast on the 64bit guest.
>
>
There shouldn't be that much of a difference.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-10-25 5:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-23 15:54 64 bit guest much faster ? Stefan
2009-10-25 5:41 ` Avi Kivity [this message]
2009-10-26 8:58 ` Gerd Hoffmann
2009-10-26 10:12 ` Avi Kivity
2009-10-26 10:42 ` Michael Tokarev
2009-10-26 10:44 ` Avi Kivity
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