From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: DCA Date: Mon, 20 Apr 2015 11:50:20 +0100 Message-ID: <20150420105020.GB9280@bricha3-MOBL3> References: <5534CFFF.7000404@cloudius-systems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "dev-VfR2kkLFssw@public.gmane.org" To: Vlad Zolotarov Return-path: Content-Disposition: inline In-Reply-To: <5534CFFF.7000404-RmZWMc9puTNJc61us3aD9laTQe2KTcn/@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 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