From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id AF9C35A31 for ; Mon, 20 Apr 2015 12:50:27 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 20 Apr 2015 03:50:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,609,1422950400"; d="scan'208";a="483098826" Received: from bricha3-mobl3.ger.corp.intel.com ([10.243.20.27]) by FMSMGA003.fm.intel.com with SMTP; 20 Apr 2015 03:50:21 -0700 Received: by (sSMTP sendmail emulation); Mon, 20 Apr 2015 11:50:20 +0025 Date: Mon, 20 Apr 2015 11:50:20 +0100 From: Bruce Richardson To: Vlad Zolotarov Message-ID: <20150420105020.GB9280@bricha3-MOBL3> References: <5534CFFF.7000404@cloudius-systems.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5534CFFF.7000404@cloudius-systems.com> Organization: Intel Shannon Ltd. User-Agent: Mutt/1.5.23 (2014-03-12) Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] DCA 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, 20 Apr 2015 10:50:28 -0000 On Mon, Apr 20, 2015 at 01:07:59PM +0300, Vlad Zolotarov wrote: > Hi, > I would like to ask if there is any reason why DPDK doesn't have support for > DCA feature? > > thanks, > vlad With modern platforms with DDIO the data written by the NIC automatically goes into the cache of the CPU without us needing to use DCA. /Bruce