From owner-freebsd-net@freebsd.org Mon Oct 26 16:09:17 2015 Return-Path: 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 EBEC78A5B for ; Mon, 26 Oct 2015 16:09:17 +0000 (UTC) (envelope-from jeffrey.e.pieper@intel.com) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mx1.freebsd.org (Postfix) with ESMTP id C484C14FF for ; Mon, 26 Oct 2015 16:09:17 +0000 (UTC) (envelope-from jeffrey.e.pieper@intel.com) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP; 26 Oct 2015 09:08:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,201,1444719600"; d="scan'208";a="588289237" Received: from orsmsx108.amr.corp.intel.com ([10.22.240.6]) by FMSMGA003.fm.intel.com with ESMTP; 26 Oct 2015 09:08:48 -0700 Received: from orsmsx111.amr.corp.intel.com ([169.254.11.194]) by ORSMSX108.amr.corp.intel.com ([169.254.4.147]) with mapi id 14.03.0248.002; Mon, 26 Oct 2015 09:08:47 -0700 From: "Pieper, Jeffrey E" To: "Eggert, Lars" CC: Kevin Oberman , "freebsd-net@freebsd.org" , Daniel Engberg Subject: RE: ixl 40G bad performance? Thread-Topic: ixl 40G bad performance? Thread-Index: AQHRDva7Dkkfpv1k90OSGi0PjZ1hUJ59lvyAgABhmQD//96psIAAgFKA//+XqRA= Date: Mon, 26 Oct 2015 16:08:46 +0000 Message-ID: <2A35EA60C3C77D438915767F458D6568807F2D52@ORSMSX111.amr.corp.intel.com> References: <5aae0ee63c44627223d5d179f1901d00@pyret.net> <0E4C2D93-FBAF-48CB-A704-499ABFC892B9@netapp.com> <2A35EA60C3C77D438915767F458D6568807F2A8A@ORSMSX111.amr.corp.intel.com> <99E53825-99F8-4E82-A710-6BC07B123F77@netapp.com> In-Reply-To: <99E53825-99F8-4E82-A710-6BC07B123F77@netapp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsIiwiaWQiOiI0Zjk3OTY4MS03YzkyLTRlNzUtYjU1My1iMzgzNjNmMWFlOGYiLCJwcm9wcyI6W3sibiI6IkludGVsRGF0YUNsYXNzaWZpY2F0aW9uIiwidmFscyI6W3sidmFsdWUiOiJDVFBfUFVCTElDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjQuMTAuMTkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiZnlLWEY5TXhUeFlRXC8wZkhrb0F3R01seTVJeE1ZMTF2c1h6S1JwbkpPQUE9In0= x-inteldataclassification: CTP_PUBLIC x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Oct 2015 16:09:18 -0000 -----Original Message----- From: Eggert, Lars [mailto:lars@netapp.com]=20 Sent: Monday, October 26, 2015 8:08 AM To: Pieper, Jeffrey E Cc: Kevin Oberman ; freebsd-net@freebsd.org; Daniel En= gberg Subject: Re: ixl 40G bad performance? On 2015-10-26, at 15:38, Pieper, Jeffrey E wro= te: > With the latest ixl component from: https://downloadcenter.intel.com/down= load/25160/Network-Adapter-Driver-for-PCI-E-40-Gigabit-Network-Connections-= under-FreeBSD- >=20 > running on 10.2 amd64, I easily get 9.6 Gb/s with one netperf stream, eit= her b2b or through a switch. This is with no driver/kernel tuning. Running = 4 streams easily gets me 36 GB/s. > >Thanks, will test! > >If the newer driver makes a difference, any chance we'll see it in -HEAD s= oon? > >Lars As a caveat, this was using default netperf message sizes.=20 Jeff