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From: Tomasz Chmielewski <mangoo@wpkg.org>
To: dor.laor@qumranet.com
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: [ANNOUNCE] kvm-guest-drivers-windows-2
Date: Thu, 15 May 2008 10:02:23 +0200	[thread overview]
Message-ID: <482BEE0F.2090607@wpkg.org> (raw)
In-Reply-To: <1210834649.24261.860.camel@localhost.localdomain>

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

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  reply	other threads:[~2008-05-15  8:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-14 13:52 [ANNOUNCE] kvm-guest-drivers-windows-2 Tomasz Chmielewski
2008-05-14 15:09 ` Dor Laor
2008-05-14 15:39   ` Muli Ben-Yehuda
2008-05-14 15:49   ` Tomasz Chmielewski
2008-05-14 16:19     ` Dor Laor
2008-05-14 17:50       ` Anthony Liguori
2008-05-14 21:09         ` Tomasz Chmielewski
2008-05-15  6:57           ` Dor Laor
2008-05-15  8:02             ` Tomasz Chmielewski [this message]
2008-05-15  8:01         ` Avi Kivity
2008-05-15 13:57           ` Anthony Liguori
2008-05-15 15:30             ` Avi Kivity
2008-05-15 15:43               ` Anthony Liguori
  -- strict thread matches above, loose matches on Subject: below --
2008-05-14  8:30 Avi Kivity

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