From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Odintsov Subject: Re: Could not achieve wire speed for 40GE with any DPDK version on XL710 NIC's Date: Mon, 29 Jun 2015 09:59:21 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: "dev@dpdk.org" To: Keunhong Lee 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) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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