Re: 64 bit guest much faster ?

Avi Kivity
2009-10-25T05:41:23Z

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.