netdev - Re: [RFC][PATCH 0/5] RFS hardware acceleration (v2)

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Date:	Fri, 19 Nov 2010 13:16:46 -0800
From:	Rick Jones <rick.jones2@...com>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	David Miller <davem@...emloft.net>,
	Tom Herbert <therbert@...gle.com>, netdev@...r.kernel.org,
	linux-net-drivers@...arflare.com
Subject: Re: [RFC][PATCH 0/5] RFS hardware acceleration (v2)

Ben Hutchings wrote:
> So, some preliminary benchmark results.
> 
> Tom said he was using 200 concurrent netperf TCP_RR tests, so I've done
> the same, using netperf 2.4.1 (a bit out of date, I know).

Not a huge deal for a basic TCP_RR test though.

<data snipped>

> So accelerated RFS gave a 6-13% improvement over software RFS in
> transaction rate for these various cases.

Do you have any data on frequency with which unpinned netperf processes migrated 
from one core to another?  Or PCIe utilization?

rick jones
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