Re: [Xen-users] Release 0.8.9 of GPL PV drivers for Windows

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

The problem isn't so much page usage as grant table usage. There is a finite 
limit and it was being reached too quickly, eg with more than a few network 
interfaces loaded.

-----Original Message-----
From: "jim burns"<jim_burn@xxxxxxxxxxxxx>
Sent: 27/04/08 1:22:53 AM
To: "xen-users@xxxxxxxxxxxxxxxxxxx"<xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Release 0.8.9 of GPL PV drivers for Windows

On Saturday April 26 2008 02:49:59 am James Harper wrote:
> I did have a test performance of 2.5Gbits/second, but now that I have to
> copy the windows buffers into my own buffers to reduce page usage, I
> seem to only be able to get about 1.5Gbits/second out of it... This kind
> of makes sense given that DomU to Dom0 network performance is going to
> be CPU and Memory bandwidth bound.

What was the downside of the higher page usage?

Looking forward to testing it (or at least loading it :-).

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