From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from alln-iport-4.cisco.com (alln-iport-4.cisco.com [173.37.142.91]) by dpdk.org (Postfix) with ESMTP id DA8102BF5 for ; Fri, 24 Nov 2017 12:36:59 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=11665; q=dns/txt; s=iport; t=1511523420; x=1512733020; h=from:to:subject:date:message-id:mime-version; bh=IzbBqaYrbeyGm2hs/UHc/u0JIXXMJj6A/T1rA/Ww2l0=; b=IqrQCO3KDapcJ14/iabMEDpKdcwODDQNoqtCLgz25swIurzxB2QDPzfH KpH3qew63sAf4GpYcDtM0WGd5IHIXrFzdmGK+ypJjExL93qSsnubLWtIb oQLhfpxwoNFu0aFNhVr3e41VXKciOj3RK8sarzkskM+eFncal3XWGq7E8 U=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0BLAgAGBBha/4QNJK1cGQEBAQEBAQEBA?= =?us-ascii?q?QEBAQcBAQEBAYJKcmZuJwedLJMgh1oKI4l2QhUBAQEBAQEBAQFrHQuFU14BQz0?= =?us-ascii?q?mAQQbiTZkEKoOin0BAQEBAQEEAQEBAQEBARwFgzqCB4FVgWmOPwWiRgKHcI0Rk?= =?us-ascii?q?1eMdokXAhEZAYE5ATUjgVBvFYJigweBTncBiVkBgRMBAQE?= X-IronPort-AV: E=Sophos;i="5.44,447,1505779200"; d="scan'208,217";a="35825587" Received: from alln-core-10.cisco.com ([173.36.13.132]) by alln-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 24 Nov 2017 11:36:37 +0000 Received: from XCH-RTP-019.cisco.com (xch-rtp-019.cisco.com [64.101.220.159]) by alln-core-10.cisco.com (8.14.5/8.14.5) with ESMTP id vAOBabx6014987 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL) for ; Fri, 24 Nov 2017 11:36:37 GMT Received: from xch-rtp-017.cisco.com (64.101.220.157) by XCH-RTP-019.cisco.com (64.101.220.159) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Fri, 24 Nov 2017 06:36:36 -0500 Received: from xch-rtp-017.cisco.com ([64.101.220.157]) by XCH-RTP-017.cisco.com ([64.101.220.157]) with mapi id 15.00.1320.000; Fri, 24 Nov 2017 06:36:36 -0500 From: "Hanoch Haim (hhaim)" To: "dev@dpdk.org" Thread-Topic: [dpdk-dev] net/i40e: Significant performance degradation relative to DPDK 17.02 with TRex use-cases Thread-Index: AdNlGHqotQYrAQRKQp6qE8IkYpQN/A== Date: Fri, 24 Nov 2017 11:36:36 +0000 Message-ID: <77795f7a98ec48b29ea1a95ce241e85a@XCH-RTP-017.cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [64.103.125.33] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] net/i40e: Significant performance degradation relative to DPDK 17.02 with TRex use-cases X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Nov 2017 11:37:00 -0000 Hi All, Significant performance degradation observed with DPDK 17.11 The Scenario is with TRex traffic generator (https://github.com/cisco-syst= em-traffic-generator/trex-core) 1. Stateless mode, 64B packet stream (multi-core/single core) DPDK 17.02 - 37-39MPPS/core DPDK 17.11 - 33.5MPPS/core ~12% degradation 2. Stateless mode, Field Engine (Multi-core) DPDK 17.02 - 14MPPS/core DPDK 17.11 -11.8MPPS/core ~15% degradation 3. Only DPDK was replaced 4. Is this expected? The full report can be found here: https://trex-tgn.cisco.com/trex/doc/trex_analytics.html * Mellanox CX-5 (mlx5) shows significant improvement * Ixgbe shows improvement Thanks, Hanoh