From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f48.google.com (mail-wg0-f48.google.com [74.125.82.48]) by dpdk.org (Postfix) with ESMTP id 25D0CC3A2 for ; Mon, 29 Jun 2015 17:41:09 +0200 (CEST) Received: by wgqq4 with SMTP id q4so144865079wgq.1 for ; Mon, 29 Jun 2015 08:41:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=W/YQaCuzuX3PaZLUDvi/wMdUJaOBONjSK7oCpDAieaM=; b=s+oEj5mySZpEPf9IJMCLAlRIxwZ7z1r9OZMEvEglzlnL4MCW3s4+qjw9o9kOT6Sw7E yiavFat73mbJC33y3yy3xzPbRBDYqZZ8cPanGAxZPBJUkyIAiYIUXDP17rs9KPdgAczj yHb4ID0qutckHYJodsNVOVFoTGTA/l+NdhCj4yLGXCY3+aWe+/Gp7UQFdjWFgVZ7TkUF CGiSKg27MZhD1jeQgSjEt04mqvzB5OVZzAhEct+ze6fvVR3NTiQAPQFDVnHE4I4rpWwy 7wJaNhOlBHfzUh7E7HX2o8pxcyHMRw5esEvMXIqyWgbhIPiuOjN1MjL+Ghd87lh5DATs kEoA== MIME-Version: 1.0 X-Received: by 10.194.100.104 with SMTP id ex8mr16748010wjb.69.1435592469070; Mon, 29 Jun 2015 08:41:09 -0700 (PDT) Received: by 10.27.178.129 with HTTP; Mon, 29 Jun 2015 08:41:08 -0700 (PDT) In-Reply-To: References: Date: Mon, 29 Jun 2015 18:41:08 +0300 Message-ID: From: Pavel Odintsov To: Andrew Theurer Content-Type: text/plain; charset=UTF-8 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] Could not achieve wire speed for 40GE with any DPDK version on XL710 NIC's X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jun 2015 15:41:09 -0000 Hello, Andrew! What NIC have you used? Is it XL710? On Mon, Jun 29, 2015 at 6:38 PM, Andrew Theurer wrote: > > > On Mon, Jun 29, 2015 at 10:06 AM, Keunhong Lee wrote: >> >> I have not used XL710 or i40e. >> I have no opinion for those NICs. >> >> Keunhong. >> >> 2015-06-29 15:59 GMT+09:00 Pavel Odintsov : >> >> > Hello! >> > >> > Lee, thank you so much for sharing your experience! What do you think >> > about 40GE version of 82599? >> > >> > On Mon, Jun 29, 2015 at 2:35 AM, Keunhong Lee >> > wrote: >> > > DISCLAIMER: This information is not verified. This is truly my >> > > personal >> > > opinion. >> > > >> > > As I know, intel 82599 is the only 10G NIC which supports line rate >> > > with >> > > minimum sized packets (64 byte). >> > > According to our internal tests, Mellanox's 40G NICs even support less >> > than >> > > 30Mpps. >> > > I think 40 Mpps is the hardware capacity. > > > This is approximately what I see as well. > >> >> > > >> > > Keunhong. >> > > >> > > >> > > >> > > 2015-06-28 19:34 GMT+09:00 Pavel Odintsov : >> > >> >> > >> Hello, folks! >> > >> >> > >> We have execute bunch of tests for receive data with Intel XL710 40GE >> > >> NIC. We want to achieve wire speed on this platform for traffic >> > >> capture. >> > >> >> > >> But we definitely can't do it. We tried with different versions of >> > >> DPDK: 1.4, 1.6, 1.8, 2.0. And have not success. >> > >> >> > >> We achieved only 40Mpps and could do more. >> > >> >> > >> Could anybody help us with this issue? Looks like this NIC's could >> > >> not >> > >> work on wire speed :( >> > >> >> > >> Platform: Intel Xeon E5 e5 2670 + XL 710. >> > >> >> > >> -- >> > >> Sincerely yours, Pavel Odintsov >> > > >> > > >> > >> > >> > >> > -- >> > Sincerely yours, Pavel Odintsov >> > > > -Andrew > > -- Sincerely yours, Pavel Odintsov