Anthony Liguori schrieb: (...)
>>> So, a PV network driver can do about 700Mb/s, and an emulated NIC can >>> do about 600 Mb/s, Windows guest to host? >>> >>> That would be about 20% improvement? >>> > > FWIW, virtio-net is much better with my patches applied. The difference > between the e1000 and virtio-net is that e1000 consumes almost twice as > much CPU as virtio-net so in my testing, the performance improvement > with virtio-net is about 2x. We were loosing about 20-30% throughput > because of the delays in handling incoming packets. Do you by chance have any recent numbers on disk performance (i.e., Windows guest vs Linux host)? -- Tomasz Chmielewski http://wpkg.org ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel