Re: [ANNOUNCE] kvm-guest-drivers-windows-2

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

On Wed, 2008-05-14 at 17:49 +0200, Tomasz Chmielewski wrote:
> Dor Laor schrieb:
> (...)
> >> - PV Windows (network driver)
> > 
> > About 700Mb+-, there is currently extra copy that we need to omit.
> > Thanks for Anthony, we just have to change the driver.
> > 
> >> - non-PV Windows
> > 
> > What do you mean? Other fully emulated nics like e1000?
> > It does not perform as pv but depending on the guest it can do up to
> > 600Mb+-.
> Just generally, how Windows PV drivers help to improve network performance.
> 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?

It's work in progress, doing zero copy in the guest, adding TSO, using
virtio'd tap will drastically boot performance. There is no reason the
performance won't match Linux guest.
Also I don't exactly remember the numbers but the gain in the tx pass is


kvm-devel mailing list

[Site Home]     [Netdev]     [Ethernet Bridging]     [Linux Virtualization]     [LVS Devel]     [Linux Wireless]     [Kernel Newbies]     [Memory]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Rubini]     [100% Free Internet Dating]     [Photo]     [Yosemite]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]     [Video 4 Linux]     [Linux Resources]

Powered by Linux