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From: Avi Kivity <avi@redhat.com>
To: akataria@vmware.com
Cc: Ingo Molnar <mingo@elte.hu>, 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>,
	virtualization@lists.osdl.org
Subject: Re: Paravirtualization on VMware's Platform [VMI].
Date: Sat, 19 Sep 2009 10:43:40 +0300	[thread overview]
Message-ID: <4AB48BAC.1000409@redhat.com> (raw)
In-Reply-To: <1253233028.19731.63.camel@ank32.eng.vmware.com>

On 09/18/2009 03:17 AM, Alok Kataria wrote:
> Hi,
>
> We ran a few experiments to compare performance of VMware's
> paravirtualization technique (VMI) and hardware MMU technologies (HWMMU)
> on VMware's hypervisor.
>
> To give some background, VMI is VMware's paravirtualization
> specification which tries to optimize CPU and MMU operations of the
> guest operating system. For more information take a look at this
> http://www.vmware.com/interfaces/paravirtualization.html
>
> In most of the benchmarks, EPT/NPT (hwmmu) technologies are at par or
> provide better performance compared to VMI.
> The experiments included comparing performance across various micro and
> real world like benchmarks.
>    

We've reached a similar conclusion for kvm pvmmu vs ept/npt.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

  parent reply	other threads:[~2009-09-19  7:43 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-18  0:17 Paravirtualization on VMware's Platform [VMI] Alok Kataria
2009-09-18  0:34 ` Chris Wright
2009-09-18  0:53   ` Jeremy Fitzhardinge
2009-09-18  0:58     ` Chris Wright
2009-09-18  1:43       ` Alok Kataria
2009-09-19  7:43 ` Avi Kivity [this message]
2009-09-19 22:44 ` Greg KH
2009-09-20  1:04   ` Jeremy Fitzhardinge
2009-09-20  3:56   ` Alok Kataria
2009-09-20  3:59   ` Alok Kataria
2009-09-20  7:42     ` Ingo Molnar
2009-09-20  7:52       ` Arjan van de Ven
2009-09-20  9:00         ` Avi Kivity
2009-09-20 15:49           ` Jeremy Fitzhardinge
2009-09-20 19:00             ` Avi Kivity
2009-09-22  8:09             ` Ingo Molnar
2009-09-22 16:52               ` Jeremy Fitzhardinge
2009-09-22 18:02                 ` Ingo Molnar
2009-09-22 18:16                   ` Jeremy Fitzhardinge
2009-09-22 19:04                     ` Ingo Molnar
2009-09-22 19:30                       ` Jeremy Fitzhardinge
2009-09-22  7:22           ` Rusty Russell
2009-09-22 16:53             ` Jeremy Fitzhardinge
2009-09-22 19:30       ` Alok Kataria
2009-09-22 19:47         ` Jeremy Fitzhardinge
2009-09-22 21:27         ` H. Peter Anvin
2009-09-22 21:54           ` Alok Kataria
2009-09-22 22:58             ` H. Peter Anvin
2009-09-23  7:29         ` Gerd Hoffmann
2009-09-29  0:45           ` Alok Kataria
2009-09-29  2:25             ` H. Peter Anvin
2009-09-29  3:00               ` Alok Kataria
2009-09-29  9:01                 ` Chris Wright
2009-09-29 17:25                   ` Alok Kataria
2009-09-29 17:27                     ` H. Peter Anvin
2009-09-29 17:36                       ` Alok Kataria
2009-09-29 18:21                     ` Chris Wright
2009-09-29  8:08             ` Arjan van de Ven
2009-09-29 16:49               ` Alok Kataria
2009-09-29 16:51                 ` H. Peter Anvin
2009-09-29 17:55                 ` Learning question regarding virtio and partvirt_ops Hank Janssen
2009-09-29 19:02                   ` Brian Jackson
2009-10-02  3:00                 ` Paravirtualization on VMware's Platform [VMI] Eric W. Biederman
2009-10-02  4:45                   ` Alok Kataria

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