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Date: Tue, 22 Sep 2009 11:16:24 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Ingo Molnar <mingo@elte.hu>
CC: Avi Kivity <avi@redhat.com>, Arjan van de Ven <arjan@infradead.org>,
       Alok Kataria <akataria@vmware.com>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       the arch/x86 maintainers <x86@kernel.org>,
       LKML <linux-kernel@vger.kernel.org>, Chris Wright <chrisw@sous-sol.org>,
       Rusty Russell <rusty@rustcorp.com.au>,
       "virtualization@lists.osdl.org" <virtualization@lists.osdl.org>,
       Greg KH <greg@kroah.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: Paravirtualization on VMware's Platform [VMI].
References: <1253233028.19731.63.camel@ank32.eng.vmware.com> <20090919224430.GB9567@kroah.com> <1253419185.3253.21.camel@ank32.eng.vmware.com> <20090920074247.GA5733@elte.hu> <20090920095239.456ad6f2@infradead.org> <4AB5EF25.9070502@redhat.com> <4AB64EFC.10707@goop.org> <20090922080913.GB1475@elte.hu> <4AB900CC.7090409@goop.org> <20090922180216.GA16789@elte.hu>
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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.

    J