Re: [win-pv-devel] Network card speed

[Alexis Pellicier <alexis.pellicier@xxxxxxxxxx>]

​Indeed I've done some iperf tests on the 2 drivers and measure the same speed performance.

Thank you for this precisions.

​

2017-05-03 11:00 GMT+03:00 Ben Chalmers <ben.chalmers@xxxxxxxxxx>:

‘Suitable environment’ here means you have a network/nic/cpu capable of coping with >1GB speed

 

The speed reported by the PV drivers is entirely arbitrary and unrelated to the performance you will get – and you can measure the actual performance you get with a tool such as netperf.

 

Ben Chalmers

 

Sent from Mail for Windows 10

 

From: Alexis Pellicier
Sent: 03 May 2017 07:45
To: Owen Smith
Cc: win-pv-devel@lists.xenproject.org
Subject: Re: [win-pv-devel] Network card speed

 

Sorry for the late following.

What do you mean by "suitable environment" ?

The only thing I did is switching from gplpv to winpv. The hardware environment didn't change.

2017-04-13 13:51 GMT+03:00 Owen Smith <owen.smith@xxxxxxxxxx>:

The reported speed is a constant that the GPLPV drivers define at 10GBit/s, and the WinPV 8.2 use 1GBit/s.

Actual speeds should not be limited by this value (I.e. you will be able to get > 1GBit/s with WinPV 8.2 with a suitable environment).

 

Owen

 

From: Alexis Pellicier
Sent: 13 April 2017 09:09
To: win-pv-devel@lists.xenproject.org
Subject: [win-pv-devel] Network card speed

 

Hello,

Just a quick question on the network card drivers in win-pv 8.2

With gplpv my HVMs  connect to network at 10Gbits/s
With win-pv 8.2 it's only 1Gbits/s.

Is this normal behavior or did I miss something somewhere?

Thank for your work.

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