netdev - Re: [PATCH net-next-2.6] net: Xmit Packet Steering (XPS)

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Message-ID: <4B07188C.2070808@gmail.com>
Date:	Fri, 20 Nov 2009 23:30:36 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	"David S. Miller" <davem@...emloft.net>,
	Tom Herbert <therbert@...gle.com>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next-2.6] net: Xmit Packet Steering (XPS)

Andi Kleen a écrit :
> 
> Do you have numbers on this? It seems like a lot of effort to avoid transfering
> a few cache lines.

Lot of efforts ? hmm...

> 
> -Andi (who is a bit sceptical and would rather see generic work for this in slab)
> 

Yes, I know, but slab/slub is already quite optimized :)

Coding XPS was more a way to try to help push RPS in, I did not benchmarked it BTW.

My new dev machine is up, with two E5530 cpus and a 82599EB 10-Gigabit dual port card :
Pretty amazing :=)

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