From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-fw-4101.amazon.com (smtp-fw-4101.amazon.com [72.21.198.25]) by dpdk.org (Postfix) with ESMTP id 676B380FA for ; Fri, 10 Oct 2014 22:58:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1412975178; x=1444511178; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=cXcv5MqNVmNppCV6w+GX4sEedjNFY92MCT5b4pxskTQ=; b=UJMnG6vaU16mCnfbX8rgB4+bMNOtHvRV3T+l1zA/NZZ/n4sNzkegml21 6NyAKj4A4UmF4hbeLHX5j+lsWfpa8m5Nskux5p670XguUiMRH8PPWnaff y+t0VZaM2AFo6AbhpNuqPDDJzBZKHEmC0ccNJkDm7tJs8bJ4JGK3Yooe7 c=; X-IronPort-AV: E=Sophos;i="5.04,694,1406592000"; d="scan'208";a="142871895" Received: from email-inbound-relay-62001.pdx2.amazon.com ([10.241.21.123]) by smtp-border-fw-out-4101.iad4.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 10 Oct 2014 21:06:15 +0000 Received: from ex10-hub-9001.ant.amazon.com (pdx2-ws-svc-lb17-vlan2.amazon.com [10.247.140.66]) by email-inbound-relay-62001.pdx2.amazon.com (8.14.7/8.14.7) with ESMTP id s9AL6Ek4026557 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=OK); Fri, 10 Oct 2014 21:06:14 GMT Received: from EX10-MBX-31007.ant.amazon.com ([fe80::dc2d:ebf:d4a1:fac]) by ex10-hub-9001.ant.amazon.com ([::1]) with mapi id 14.03.0181.006; Fri, 10 Oct 2014 14:06:14 -0700 From: "Wang, Shawn" To: "Pattan, Reshma" , "dev@dpdk.org" Thread-Topic: Newbie question about distributor library Thread-Index: Ac/j6scBmxwsZKieT7uFpmWciKa2vwACTvTgADZyNzk= Date: Fri, 10 Oct 2014 21:06:13 +0000 Message-ID: <12C2AAD9525203489F7B523D670129D91CA95933@ex10-mbx-31007.ant.amazon.com> References: <12C2AAD9525203489F7B523D670129D91CA92780@ex10-mbx-31007.ant.amazon.com>, <3AEA2BF9852C6F48A459DA490692831FE22975@IRSMSX109.ger.corp.intel.com> In-Reply-To: <3AEA2BF9852C6F48A459DA490692831FE22975@IRSMSX109.ger.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.17.1.118] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] Newbie question about distributor library 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: Fri, 10 Oct 2014 20:58:50 -0000 15.5 mpps is amazing.=0A= Does the RX core run the distributor or there is another distributor core?= =0A= =0A= Thanks.=0A= ________________________________________=0A= From: Pattan, Reshma [reshma.pattan@intel.com]=0A= Sent: Friday, October 10, 2014 12:47 AM=0A= To: Wang, Shawn; dev@dpdk.org=0A= Subject: RE: Newbie question about distributor library=0A= =0A= > -----Original Message-----=0A= > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wang, Shawn=0A= > Sent: Thursday, October 9, 2014 7:00 PM=0A= > To: dev@dpdk.org=0A= > Subject: [dpdk-dev] Newbie question about distributor library=0A= >=0A= > Hi:=0A= >=0A= > I am reading document about distributor library which is added in DPDK 1.= 7.=0A= > The document mentioned the packets are dynamically load balanced between = a=0A= > set of worker cores.=0A= > So I am wondering is this the only reason we need distributor library? Wh= at else=0A= > could it give us?=0A= > Do we have any performance number on this new library?=0A= >=0A= > Thanks.=0A= =0A= Hi,=0A= =0A= Distributor library only takes care of load distribution based on flow typ= e i.e. based on rss ( which is calculated based on 5 tuple of the packet)= =0A= value of mbuf to workers. Packets with same rss will be given to same worke= r. Hence different flows goes to different workers.=0A= =0A= 15.5 mpps was the performance we achieved with 8 worker cores, 1 Rx core = and 1 TX core using sample application.=0A= =0A= Thanks,=0A= Reshma=0A= =0A= =0A=