On Wed, Dec 15, 2010 at 12:59:45PM +0000, Stefan Hajnoczi wrote: > > I'm concerned that the tests were done on qemu.git. > > Could you check block with qemu-kvm too please? > > The following results show qemu-kvm with virtio-ioeventfd v3 for both > aio=native and aio=threads: > > http://wiki.qemu.org/Features/VirtioIoeventfd > > Stefan
What were the flags used to run qemu here? One option that's known to affect speed significantly is x2apic. Did you try it? -- MST
