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Re: [Qemu-devel] -kernel-kqemu

From: Anthony Liguori
Subject: Re: [Qemu-devel] -kernel-kqemu
Date: Thu, 09 Feb 2006 16:01:34 -0600
User-agent: Mail/News 1.5 (X11/20060119)

Jim C. Brown wrote:
-kernel-kqemu virtualizes ring 0 code.

So it basically makes qemu do what VMware does.

IIRC someone reported a 33% speedup with the new option.
That was me. That was a 33% speedup on win2k startup time. kqemu (user only) has a negligible impact on win2k startup time which suggests this is mostly ring 0 code running which would make it a good benchmark for kernel-kqemu performance.

This was a terribly unscientific benchmarking so don't read too much into it.


Anthony Liguori

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