From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com [209.85.212.175]) by dpdk.org (Postfix) with ESMTP id 74AF2C46C for ; Mon, 29 Jun 2015 01:35:09 +0200 (CEST) Received: by wicnd19 with SMTP id nd19so56997947wic.1 for ; Sun, 28 Jun 2015 16:35:09 -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=Bajecyey96EqJotJ+Tyy2WbjjAJPDes7SL356mdnIz0=; b=NktDwmuUnQ9qMrjyBlamt7N+3L8IsoZWY5loQzj+Ob7SyJlFh28RBV4LZYFh1O7M9S dIkiqk0Vr/THzjSSMJFJqwmFYgKtJFKVsXmWmZ8CwqZy7CxEFtdda6vk1+6uQ2NhUJF5 DV3WPSe0Av0D86boiDSFnRrwVthNtl2MGEjgFINUwjSMk9JqHc1lO3IpDomF1vaYoSHR 7hRfPf6NZprBg+hY34FIvKhU4oBQig9qAY0LYkEPdunEhg8eK4j28OzPz247XMBGzVSs fbku4/QpnduM2QjV3RtpXQzDd71kbmnAa8/4Edt495sQnuHjn0HNEfuVu5+zDEZrhEdz eZwg== MIME-Version: 1.0 X-Received: by 10.194.59.98 with SMTP id y2mr23948829wjq.42.1435534509327; Sun, 28 Jun 2015 16:35:09 -0700 (PDT) Received: by 10.28.173.196 with HTTP; Sun, 28 Jun 2015 16:35:09 -0700 (PDT) In-Reply-To: References: Date: Mon, 29 Jun 2015 08:35:09 +0900 Message-ID: From: Keunhong Lee To: Pavel Odintsov Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 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: Sun, 28 Jun 2015 23:35:09 -0000 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. 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 >