On Wed, 2008-05-14 at 23:09 +0200, Tomasz Chmielewski wrote: > 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)? > >
At the moment there is no pv block driver for Windows guests. (there is for linux) You can use scsi for windows, it should perform well. ------------------------------------------------------------------------- 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
