From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: [Patch v2] Eth driver optimization: Prefetch variable structure Date: Wed, 4 Nov 2015 16:56:15 +0000 Message-ID: <20151104165614.GA16744@bricha3-MOBL3> References: <745DB4B8861F8E4B9849C970520ABBF149750763@ORSMSX102.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "dev@dpdk.org" To: "Polehn, Mike A" Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id D97458E9D for ; Wed, 4 Nov 2015 17:56:37 +0100 (CET) Content-Disposition: inline In-Reply-To: <745DB4B8861F8E4B9849C970520ABBF149750763@ORSMSX102.amr.corp.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Tue, Nov 03, 2015 at 03:00:15PM +0000, Polehn, Mike A wrote: > Adds Eth driver prefetch variable structure to CPU cache 0 while calling into tx or rx > device driver operation. > > RFC 2544 test of NIC task test measurement points show improvement of lower > latency and/or better packet throughput indicating clock cycles saved. > > Signed-off-by: Mike A. Polehn Hi Mike, what test app would you recommend to see this perf improvement in testing? I would like to see the perf impact in some tests myself. Thanks, /Bruce