From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rick Jones <rick.jones2@hp.com>
Subject: Re: [RFC] tcp: use order-3 pages in tcp_sendmsg()
Date: Wed, 19 Sep 2012 10:28:40 -0700
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References: <20120917.121243.1665284878800146060.davem@davemloft.net> <1347901326.26523.149.camel@edumazet-glaptop> <1347901493.26523.151.camel@edumazet-glaptop> <20120917.130732.1894375657044880827.davem@davemloft.net> <1348067659.26523.949.camel@edumazet-glaptop>
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Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
To: Eric Dumazet <eric.dumazet@gmail.com>
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On 09/19/2012 08:14 AM, Eric Dumazet wrote:
> I did some tests and got no problem so far, even using splice() [ this
> one was tricky because it only deals with order-0 pages at this moment ]
>
> NIC tested : ixgbe, igb, bnx2x, tg3, mellanox mlx4
>
> On loopback, performance of netperf goes from 31900 Mb/s to 38500 Mb/s,
> thats a 20 % increase.

I guess Brutus will need a new baseline for his TCP Friends patch then :)

BTW, what is the change, if any for TCP_RR?

happy benchmarking,

rick jones