On Wed, Oct 10, 2012 at 3:04 PM, Alexander Graf <agraf@xxxxxxx> wrote: > > > On 10.10.2012, at 21:02, Peter Maydell <peter.maydell@xxxxxxxxxx> wrote: > >> On 10 October 2012 19:50, Alexander Graf <agraf@xxxxxxx> wrote: >>> Network emulation in QEMU is more than just slow (expected). >>> >>> >>> Why is this expected? This performance drop is quite terrifying. >> >> Well, it's pretty poor (and suggests the exit path could >> be optimised) but the reason that it is insanely slow rather >> than merely not good is that the lan9118 requires a device >> register read or write for every word of data transferred to >> the network... > > Ouch. Any way we could fake a PCI controller and emulate some real hardware? > if we're doing anything else than the real hardware why not just use virtio then? -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm