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

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

Anthony Liguori schrieb:

(...)

>>> 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?
>>>     
> 
> FWIW, virtio-net is much better with my patches applied.  The difference 
> between the e1000 and virtio-net is that e1000 consumes almost twice as 
> much CPU as virtio-net so in my testing, the performance improvement 
> with virtio-net is about 2x.  We were loosing about 20-30% throughput 
> because of the delays in handling incoming packets.

Do you by chance have any recent numbers on disk performance (i.e., Windows 
guest vs Linux host)?


-- 
Tomasz Chmielewski
http://wpkg.org

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