From owner-freebsd-net@freebsd.org  Sun Oct 25 07:28:13 2015
Return-Path: <owner-freebsd-net@freebsd.org>
Delivered-To: freebsd-net@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1A4F07F4C
 for <freebsd-net@mailman.ysv.freebsd.org>;
 Sun, 25 Oct 2015 07:28:13 +0000 (UTC)
 (envelope-from daniel.engberg.lists@pyret.net)
Received: from mailstore06.sysedata.no (b.mail.tornado.no [195.159.29.130])
 (using TLSv1 with cipher AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id D941C1619
 for <freebsd-net@freebsd.org>; Sun, 25 Oct 2015 07:28:11 +0000 (UTC)
 (envelope-from daniel.engberg.lists@pyret.net)
Received: from [195.159.29.130] (helo=www.eposttjener.no)
 by mailstore06.sysedata.no with esmtpa (Exim 4.71)
 (envelope-from <daniel.engberg.lists@pyret.net>) id 1ZqFRt-0007N5-Fc
 for freebsd-net@freebsd.org; Sun, 25 Oct 2015 08:10:37 +0100
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8;
 format=flowed
Content-Transfer-Encoding: 7bit
Date: Sun, 25 Oct 2015 08:10:37 +0100
From: Daniel Engberg <daniel.engberg.lists@pyret.net>
To: freebsd-net@freebsd.org
Subject: ixl 40G bad =?UTF-8?Q?performance=3F?=
Message-ID: <5aae0ee63c44627223d5d179f1901d00@pyret.net>
X-Sender: daniel.engberg.lists@pyret.net
User-Agent: Roundcube Webmail/0.9.4
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 25 Oct 2015 07:28:13 -0000

One thing I've noticed that probably affects your performance benchmarks 
somewhat is that you're using iperf(2) instead of the newer iperf3 but I 
could be wrong...

Best regards,
Daniel