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Date: Sat, 19 Sep 2009 10:43:40 +0300 From: Avi Kivity <avi@...hat.com> To: akataria@...are.com CC: Ingo Molnar <mingo@...e.hu>, 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>, virtualization@...ts.osdl.org Subject: Re: Paravirtualization on VMware's Platform [VMI]. 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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