On Thursday 21 July 2005 08:29, Lars Munch wrote: > On Wed, Jul 20, 2005 at 12:32:10PM +0200, Ludovic Drolez wrote: > > Hi ! > > > > I've tried the latest AMD pcnet patch (made by Antony T Curtis) with qemu > > 0.7 because I was tired of the sloooww PXE booting of my QEMU. For > > exemple, to load a linux kernel + initrd over TFTP, it takes 4m30s with a > > ne2000, and 1m35s with the PCNET card. > > Does anyone know why pcnet is so much faster than ne2000? is it easier > to emulate? or is there room for improvements on the ne2000?
Probably because it's a DMA capable controller. IIRC the ne2k is pio based, so has to shuffle the data through an IO port one byte at a time. Paul _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
