netdev - Re: Fwd: [RFC v3] net: Introduce recvmmsg socket syscall

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Message-ID: <20090916045333.GA18325@verge.net.au>
Date:	Wed, 16 Sep 2009 14:53:44 +1000
From:	Simon Horman <horms@...ge.net.au>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Nir Tzachar <nir.tzachar@...il.com>,
	Linux Networking Development Mailing List 
	<netdev@...r.kernel.org>, Ziv Ayalon <ziv@...al.co.il>
Subject: Re: Fwd: [RFC v3] net: Introduce recvmmsg socket syscall

On Tue, Sep 15, 2009 at 05:52:07PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 15, 2009 at 09:20:13PM +0300, Nir Tzachar escreveu:
> > >> Setup:
> > >> linux 2.6.29.2 with the third version of the patch, running on an
> > >> Intel Xeon X3220 2.4GHz quad core, with 4Gbyte of ram, running Ubuntu
> > >> 9.04
> > >
> > > Which NIC? 10 Gbit/s?
> > 
> > 1G. We do not care as much for throughput as we do about latency...
> 
> OK, but anyway the 10 Gbit/s cards I've briefly played with all
> exhibited lower latencies than all 1 gbit/s ones, in fact I've heard
> about people moving to 10 Gbit/s not for the bw, but for the lower
> latencies :-)

Hi Arnaldo,

Out of curiosity, is that using a 10Gbit card with
a 10Gbit link or a 1Gbit link?


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