From mboxrd@z Thu Jan 1 00:00:00 1970 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) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 04 Nov 2015 08:56:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,243,1444719600"; d="scan'208";a="811717256" Received: from bricha3-mobl3.ger.corp.intel.com ([10.237.208.62]) by orsmga001.jf.intel.com with SMTP; 04 Nov 2015 08:56:16 -0800 Received: by (sSMTP sendmail emulation); Wed, 04 Nov 2015 16:56:15 +0025 Date: Wed, 4 Nov 2015 16:56:15 +0000 From: Bruce Richardson To: "Polehn, Mike A" Message-ID: <20151104165614.GA16744@bricha3-MOBL3> References: <745DB4B8861F8E4B9849C970520ABBF149750763@ORSMSX102.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <745DB4B8861F8E4B9849C970520ABBF149750763@ORSMSX102.amr.corp.intel.com> Organization: Intel Shannon Ltd. User-Agent: Mutt/1.5.23 (2014-03-12) Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [Patch v2] Eth driver optimization: Prefetch variable structure 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: Wed, 04 Nov 2015 16:56:38 -0000 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