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Re: Intel's EPT effect on virtualized Hurd


From: Samuel Thibault
Subject: Re: Intel's EPT effect on virtualized Hurd
Date: Tue, 6 Sep 2011 10:44:27 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Sergio López, le Tue 06 Sep 2011 10:40:38 +0200, a écrit :
> 2011/9/6 Samuel Thibault <samuel.thibault@gnu.org>:
> > Mmm, but isn't enabling EPT automatic already? That is, people which
> > have it will benefit from it, and people which don't won't.
> 
> Yes, it's automatic. But I think it's worth noting somewhere that, in
> certain kind of hardware, a virtualized instance of Hurd is able to
> run up to ten times faster. Perhaps we should also warn people that
> running it without EPT/RVI will heavily degrade performance, as the
> cost of virtualization for this case is much higher than what you'll
> usually expect if you're used to virtualize other OS,

Is it? That's odd.

Samuel



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