netdev - Re: Network performance with small packets

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Date:	Tue, 01 Feb 2011 23:33:49 -0800
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Sridhar Samudrala <sri@...ibm.com>,
	Steve Dobbelstein <steved@...ibm.com>,
	David Miller <davem@...emloft.net>, kvm@...r.kernel.org,
	mashirle@...ux.vnet.ibm.com, netdev@...r.kernel.org
Subject: Re: Network performance with small packets

On Tue, 2011-02-01 at 23:14 -0800, Shirley Ma wrote:
> w/i guest change, I played around the parameters,for example: I could
> get 3.7Gb/s with 42% CPU BW increasing from 2.5Gb/s for 1K message
> size,
> w/i dropping packet, I was able to get up to 6.2Gb/s with similar CPU
> usage. 

I meant w/o guest change, only vhost changes. Sorry about that.

Shirley

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