From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v2] ethdev: Prefetch driver variable structure Date: Tue, 24 Nov 2015 22:26:40 +0100 Message-ID: <3347211.GiimyAZdiC@xps13> References: <745DB4B8861F8E4B9849C970520ABBF14975C429@ORSMSX102.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Polehn, Mike A" , bruce.richardson@intel.com Return-path: Received: from mail-wm0-f49.google.com (mail-wm0-f49.google.com [74.125.82.49]) by dpdk.org (Postfix) with ESMTP id 7639C567E for ; Tue, 24 Nov 2015 22:27:59 +0100 (CET) Received: by wmww144 with SMTP id w144so156237491wmw.1 for ; Tue, 24 Nov 2015 13:27:59 -0800 (PST) In-Reply-To: <745DB4B8861F8E4B9849C970520ABBF14975C429@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" 2015-11-11 13:59, Polehn, Mike A: > Adds ethdev driver prefetch of 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 There are still some spacing issues with this patch. Bruce, what is your opinion about this prefetch?