From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f41.google.com (mail-wg0-f41.google.com [74.125.82.41]) by dpdk.org (Postfix) with ESMTP id E6A75C4A4 for ; Mon, 29 Jun 2015 08:59:21 +0200 (CEST) Received: by wguu7 with SMTP id u7so132648244wgu.3 for ; Sun, 28 Jun 2015 23:59:21 -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=T+5ZV3lHyXXuMLq/YdCUwdrqML62drJIi7iFNtSVERI=; b=Hyccp2/0nUd0uk57L0q3MehaXHw6VeHpt6ocTYokPIIPgkfPBa62fm8dZWtvYXZFZE XBMSTnHL58j2ZvwRpg33CGPDUaxkOCWel9WQ7I9A+TgLTjetZyivE/+UzWJ4m7Dat3zC 67ann7p+G+J77JY5+qVbGUhMA6rdmrVrCujsmE+StuS7S+9m33U2CUdsfkDUHYs1VAG8 wCgH/OOFVNmqJPzDGWpYYf3MqHAlOLJc4bvzJkSsrCeOWY0KovWYw7DEIPlouyyZd9M5 XhRfkwvY5XNTM88B1Q709f+dhl7DgEhoI6OQ28jQPKHAOwhXWHeWRm1oS39SCIFX6JER mjSg== MIME-Version: 1.0 X-Received: by 10.181.13.172 with SMTP id ez12mr19320141wid.91.1435561161718; Sun, 28 Jun 2015 23:59:21 -0700 (PDT) Received: by 10.27.178.129 with HTTP; Sun, 28 Jun 2015 23:59:21 -0700 (PDT) In-Reply-To: References: Date: Mon, 29 Jun 2015 09:59:21 +0300 Message-ID: From: Pavel Odintsov To: Keunhong Lee 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 06:59:22 -0000 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. > > 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