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

[Tomasz C. <ma...@wp...>]

Dor Laor schrieb:

(...)

>>> 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)?
>>
>>
> 
> At the moment there is no pv block driver for Windows guests. (there is
> for linux)
> You can use scsi for windows, it should perform well.

How well, when compared to "bare metal"? Or when compared to a Linux guest with 
a pv block driver? Do you have any numbers?


-- 
Tomasz Chmielewski
http://wpkg.org