Subject: Re: bad TSO performance in 2.6.9-rc2-BK

From: Andi Kleen <[email-masked]>
Date: Fri, 1 Oct 2004 12:23:06 +0200

> With such small receive buffers, netperf simply can't clear
> the receive queue fast enough when a burst of TSO created
> frames come in.

I increased the receive buffers on the target and the difference
between TSO and non TSO is much less now (only 5MB/s instead of 20MB/s)

Your theory seems to make some sense.

-Andi