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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Qemu speed vs vmplayer?
Date: Fri, 15 Dec 2006 21:38:58 +0000
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To: qemu-devel@nongnu.org

On Friday 15 December 2006 22:20, Joseph Miller wrote:
> Paul Brook wrote:
> >>> If you're using an accelerator (eg. kqemu or kvm) this is all irelevant
> >>> as most code isn't run by qemu, it's virtualized by the accelerator.
> >>> qemu just does the IO emulation.
> >>>
> >>> Paul
> >>
> >> OK, so mmap is not the way to increase some speed.  What needs to be
> >> done to provide a higher Qemu+KQEMU performance, comparable to
> >> VMPlayer?  How does VMPlayer manage to be so much faster than Qemu?  Is
> >> this simply an I/O bottleneck?  How would I go about finding out what
> >> the differences are and how we can improve Qemu+KQEMU performance?
> >
> > A copy of the kqemu source would be a good start.
>
> I've got a copy of today's CVS, 

You missed my point entirely. kqemu is a closed source module, there's 
absolutely nothing we can do with it.

Paul