linux-kernel - Re: Paravirtualization on VMware's Platform [VMI].

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Message-ID: <20090922190419.GA24542@elte.hu>
Date:	Tue, 22 Sep 2009 21:04:19 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Avi Kivity <avi@...hat.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Alok Kataria <akataria@...are.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	Greg KH <greg@...ah.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Paravirtualization on VMware's Platform [VMI].


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> On 09/22/09 11:02, Ingo Molnar wrote:
>
> > obviously they are workload dependent - that's why numbers were 
> > posted in this thread with various workloads. Do you concur with 
> > those conclusions that they are generally a speedup over paravirt? 
> > If not, which are the workloads where paravirt offers significant 
> > speedup over hardware acceleration?
> 
> We're not in a position to do any useful measurements yet.

Sorry for being dense, but what does that mean precisely? No available 
hardware? Xen doesnt run?

	Ingo
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