From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f169.google.com (mail-ie0-f169.google.com [209.85.223.169]) by dpdk.org (Postfix) with ESMTP id C161AC35A for ; Mon, 29 Jun 2015 17:38:29 +0200 (CEST) Received: by iecuq6 with SMTP id uq6so18348307iec.2 for ; Mon, 29 Jun 2015 08:38:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=MiyW8iSwsceLn9OWYoNTZFUyZJ/DtzNbe4Ua/ThhI5Q=; b=gh1yop8DQWtCQVzdZTqczHgmOkfNFTm+NhNObPrxFvYuihwHZdk/7iNUCx3z5+3EIJ 9Lkxffa/JHX+g2Jm9fAnT2TMvvsV7lTiJ3C6NsRQYZZ+YatQs6PM6J8s67bQvv4JPwZn OXyJqh2HR5eXWv+yuwwUdZ3As4eZAIOqWIhfG0uFRhHcBnLT4+BungihRhLjA7lVV5gz TwikBH1TrEPKNYTL7C4S9xNbFJ3C38vJ79Kq/BgQs0wpEk5+vS3eo9n0FoI7Cd+fY3r9 b848IGFzHduIGwzGUrkF0ZmvWxyKweQOKsNHrogSG8cX50ymeoMBWJ0Jx0HasbgNKnsJ ofmw== X-Gm-Message-State: ALoCoQmN+YYsGnxvIZopFYIfePiwKCqJAtNHpLdUb3qesZlomrq/XyfJNZA7wZ1mglljB5vXlP5o MIME-Version: 1.0 X-Received: by 10.42.214.144 with SMTP id ha16mr18307255icb.70.1435592309191; Mon, 29 Jun 2015 08:38:29 -0700 (PDT) Received: by 10.36.248.194 with HTTP; Mon, 29 Jun 2015 08:38:29 -0700 (PDT) In-Reply-To: References: Date: Mon, 29 Jun 2015 10:38:29 -0500 Message-ID: From: Andrew Theurer To: Keunhong Lee Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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: Mon, 29 Jun 2015 15:38:30 -0000 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 person= al > > > 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 les= s > > than > > > 30Mpps. > > > I think 40 Mpps is the hardware capacity. > =E2=80=8BThis is approximately what I see as well. =E2=80=8B > > > > > > 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 40G= E > > >> 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 n= ot > > >> work on wire speed :( > > >> > > >> Platform: Intel Xeon E5 e5 2670 + XL 710. > > >> > > >> -- > > >> Sincerely yours, Pavel Odintsov > > > > > > > > > > > > > > -- > > Sincerely yours, Pavel Odintsov > > > =E2=80=8B-Andrew=E2=80=8B