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? Alex > > -- PMM _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
