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From: Divy Le Ray <divy@chelsio.com>
To: Raz <raziebe@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: what is the expeted performance from a dual port 10G card ?
Date: Fri, 28 Nov 2008 22:30:27 -0800	[thread overview]
Message-ID: <4930E183.9040700@chelsio.com> (raw)
In-Reply-To: <5d96567b0811280511q1e3f7774j7eabce4810dae91a@mail.gmail.com>

Raz wrote:
> Hello
> I have been testing 10G ethernet cards , intel ixgbe, chelsio, tehuti
> and melanox . All are dual port cards.
> I have used pktgen to test it. A single cpu is mapped over a single
> interface (no neeed for MQ , which is quite bad anyway).
> Results:
> Intel gives: 13Gbps , 6.5 from each port.
> The rest give ~10 Gbps .
> Cards were tested on PCI-E x8 slot, on a supermicro x7DBI and
> supermicro 1025W-UR.
> 
> Am i to expect ~20Gbps from each card ?

Hi Raz,

For the rest, what is the load balance between the ports?
The Chelsio adapter shares the pci link between all ports.

Cheers,
Divy

  parent reply	other threads:[~2008-11-29  6:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-28 13:11 what is the expeted performance from a dual port 10G card ? Raz
2008-11-28 13:54 ` Ben Hutchings
2008-11-29  8:10   ` Raz
2008-11-29 17:34     ` Ben Hutchings
2008-11-29 22:46       ` Roland Dreier
2008-11-30  2:55         ` Trent Piepho
2008-11-30  7:25           ` Raz
2008-11-30 17:31             ` Roland Dreier
2008-12-01 18:16         ` Rick Jones
2008-11-29  6:30 ` Divy Le Ray [this message]
2008-11-29  8:11   ` Raz
2008-12-01 15:17 ` Christoph Lameter

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