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RE: [Xen-users] GPLPV network performance

To: "Grant McWilliams" <grantmasterflash@xxxxxxxxx>
Subject: RE: [Xen-users] GPLPV network performance
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Tue, 20 Jan 2009 15:59:45 +1100
Cc: "Fajar A. Nugraha" <fajar@xxxxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>, Robert Dunkley <Robert@xxxxxxxxx>
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Thread-index: Acl6uq6/S32N7GnwSfOoZzggefKxhgAARsqw
Thread-topic: [Xen-users] GPLPV network performance
> On Mon, Jan 19, 2009 at 3:50 PM, James Harper
> <james.harper@xxxxxxxxxxxxxxxx> wrote:
> 
>       Those DomU->DomU figures (mine and yours) are obviously less
than
>       desirable though, given the DomU->Dom0 performance... I'll see
what
>       I can do.
> 
>       James
> 
> I hope I'm wrong but I'm not sure there's much to do. I was curious
about
> the numbers people were getting with Windows PV drivers. These match
DomU
> to DomU in Linux PV. Transferring data to a DomU seems to be horribly
> inefficient and I'm not sure you'll be able to do anything about it.
Seems
> like it's a Xen architecture thing. Like I said, I hope I'm wrong.
> 

I don't have a pair of Linux DomU's to test so I can't confirm or deny
that. Anyone else able to test?

James

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