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Re: [Xen-users] Windows domU: GplPv and/or viridian

On 10/08/2014 10:41 AM, Mike Reardon wrote:
> Hello all,
> I have a couple Windows domUs running, and naturally would like squeeze as 
> much performance out of them as possible.
> Right now I'm using GplPv drivers on them, but am curious about setting 
> viridian=1 in the xl config file for each guest, which is currently not set.  
> My question really is whether using GplPv and viridian concurrently would 
> result in a stable configuration (I've read posts about problems with GplPv 
> and Viridian, but those are 5 years old and I am unsure if issues still 
> persist), if using both concurrently will result in the best performance, or 
> if using one or the other would be the best approach.
> I appreciate any insight anyone is able to provide.  Thank you!
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We install GPLPV on all our windows Domu's and enable Viridian on all Domu's 
running windows 2008 or higher. We had stability issues on the windows 2008+ 
domu's if Viridian was not enabled. Whether it helps with performance or not I 
can't say. Generally, performance has been very good with GPLPV.



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