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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: "David S. Miller" <davem@davemloft.net>,
	Tom Herbert <therbert@google.com>,
	Linux Netdev List <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next-2.6] net: Xmit Packet Steering (XPS)
Date: Fri, 20 Nov 2009 23:30:36 +0100	[thread overview]
Message-ID: <4B07188C.2070808@gmail.com> (raw)
In-Reply-To: <87aayg539l.fsf@basil.nowhere.org>

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 :=)


  parent reply	other threads:[~2009-11-20 22:30 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-19 23:46 [PATCH net-next-2.6] net: Xmit Packet Steering (XPS) Eric Dumazet
2009-11-20  2:12 ` Changli Gao
2009-11-20  4:58   ` Eric Dumazet
2009-11-20  5:11     ` Changli Gao
2009-11-20  5:24       ` Eric Dumazet
2009-11-20  5:34         ` Changli Gao
2009-11-20  5:42           ` Eric Dumazet
2009-11-20  5:50             ` Changli Gao
     [not found] ` <65634d660911191641o4210a797mf1e8168dd8dd8b60@mail.gmail.com>
2009-11-20  5:08   ` Eric Dumazet
2009-11-20 13:32 ` Jarek Poplawski
2009-11-20 14:45   ` Eric Dumazet
2009-11-20 20:04     ` Jarek Poplawski
2009-11-20 21:43       ` Eric Dumazet
2009-11-20 22:08         ` Jarek Poplawski
2009-11-20 22:21           ` Eric Dumazet
2009-11-20 20:51 ` Andi Kleen
2009-11-20 20:53   ` David Miller
2009-11-20 22:30   ` Eric Dumazet [this message]
2009-11-20 22:37     ` Andi Kleen
     [not found]       ` <65634d660911201642k3930dc78vd576e0e89dc0c794@mail.gmail.com>
2009-11-21  6:58         ` Eric Dumazet
2009-11-20 20:53 ` Jarek Poplawski
2009-11-20 21:35   ` Eric Dumazet
2009-11-20 21:43     ` Joe Perches
2009-11-20 21:49       ` David Miller
2009-11-20 22:01       ` Eric Dumazet
2009-11-20 22:34     ` David Miller
2009-11-20 22:32 ` David Miller
2009-11-20 22:36   ` Eric Dumazet

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