Ingo Molnar wrote: > here's a quick update wrt. the KVM paravirtualization work: i'm > currently working on KVM/NET, which is a Linux<->Linux virtual network > device driver between the KVM host and the KVM guest. It uses the new > KVM-paravirtualization infrastructure that i've sent to this list > yesterday. > > while the code is still a prototype, it's working already and here are > some early TCP bandwidth (bw_tcp from guest to host) performance results > which i'm sure you'll enjoy: > > ----------------------------------------------------------- > | Native via loopback (mtu=1500) : 235.57 MB/sec | > | Native via loopback (mtu=4000) : 487.12 MB/sec | > ----------------------------------------------------------- > | Qemu via RTL-8029 emulation : 2.84 MB/sec | > | KVM via RTL-8029 emulation : 7.41 MB/sec | > ----------------------------------------------------------- > | KVM-para via KVM/NET device (mtu=1500) : 303.35 MB/sec | > | KVM-para via KVM/NET device (mtu=4000) : 389.47 MB/sec | > ----------------------------------------------------------- > >
That's about a 5000% improvement :) Amazing, both the bandwidth results and the speed in which it was reached. I'm really at a loss for words. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
