From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 60F332B9B for ; Mon, 3 Apr 2017 12:31:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=intel; t=1491215472; x=1522751472; h=subject:to:references:cc:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=qMhZHUNPp/5mUGkeYvqE6IyVfLPojeAVG6kkOwduQ3A=; b=aU80o/Ygt+NenzOSBAiPYgJpA4hmWUrkyTmQc2dLFkOqbzET0pMedvsL Op/hORE8ryWccw3YEhHtfP+q6cKqFg==; Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Apr 2017 03:31:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,269,1486454400"; d="scan'208";a="1130224928" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.122]) ([10.237.220.122]) by fmsmga001.fm.intel.com with ESMTP; 03 Apr 2017 03:31:06 -0700 To: "Pei, Yulong" , Vladyslav Buslov , "Zhang, Helin" , "Wu, Jingjing" References: <1488365813-12442-1-git-send-email-vladyslav.buslov@harmonicinc.com> <188971FCDA171749BED5DA74ABF3E6F03B6ACF0D@shsmsx102.ccr.corp.intel.com> Cc: "dev@dpdk.org" From: Ferruh Yigit Message-ID: <2c220d4f-b8c5-1824-c8cd-69f20c6ce04f@intel.com> Date: Mon, 3 Apr 2017 11:31:06 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <188971FCDA171749BED5DA74ABF3E6F03B6ACF0D@shsmsx102.ccr.corp.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH] net/i40e: add packet prefetch X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Apr 2017 10:31:12 -0000 On 4/1/2017 3:01 AM, Pei, Yulong wrote: > Hi All > > In Non-vector mode, without this patch, single core performance can reach 37.576Mpps with 64Byte packet, > But after applied this patch , single core performance downgrade to 34.343Mpps with 64Byte packet. Thanks Yulong for the test. Vladyslav, Is above test results match with your result? If there is a degradation, this patch should not be merged. Thanks, ferruh > > Best Regards > Yulong Pei > > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Vladyslav Buslov > Sent: Wednesday, March 1, 2017 6:57 PM > To: Zhang, Helin ; Wu, Jingjing ; Yigit, Ferruh > Cc: dev@dpdk.org > Subject: [dpdk-dev] [PATCH] net/i40e: add packet prefetch > > Prefetch both cache lines of mbuf and first cache line of payload if CONFIG_RTE_PMD_PACKET_PREFETCH is set. > > Signed-off-by: Vladyslav Buslov <..>