Re: [Qemu-devel] Re: qemu-kvm faster than qemu?

[Anthony Liguori]

On 08/26/2010 02:59 AM, Gleb Natapov wrote:
> On Thu, Aug 26, 2010 at 09:53:27AM +0200, Gerd Hoffmann wrote:
>    
> >    Hi,
> >
> >      
> > > Also try qemu-kvm with -no-kvm-irqchip. I can't believe an in-kernel
> > > lapic would make this much of a difference with windows 7 but it's worth
> > > trying.
> > >        
> > Didn't try win7, but for winxp it is a *huge* difference.
> >
> >      
> On which HW? My guess is this is because of tpr patching.
>    

Does Windows 7 hit the TPR heavily?  I thought all modern versions of 
Windows significantly reduced their interactions with the TPR.

Regards,

Anthony Liguori

> --
>                         Gleb.
>