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 94A9A5699 for ; Thu, 22 Oct 2015 07:48:51 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 21 Oct 2015 22:48:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,181,1444719600"; d="scan'208";a="669314538" Received: from fmsmsx103.amr.corp.intel.com ([10.18.124.201]) by orsmga003.jf.intel.com with ESMTP; 21 Oct 2015 22:48:50 -0700 Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by FMSMSX103.amr.corp.intel.com (10.18.124.201) with Microsoft SMTP Server (TLS) id 14.3.248.2; Wed, 21 Oct 2015 22:48:49 -0700 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.96]) by SHSMSX104.ccr.corp.intel.com ([169.254.5.194]) with mapi id 14.03.0248.002; Thu, 22 Oct 2015 13:48:48 +0800 From: "Xie, Huawei" To: "Wang, Zhihong" Thread-Topic: [dpdk-dev] [PATCH v3 5/7] virtio: virtio vec rx Thread-Index: AdEMjVHxPHYkrq3wS4uUVKnLhhnSjw== Date: Thu, 22 Oct 2015 05:48:47 +0000 Message-ID: References: <1443537953-23917-1-git-send-email-huawei.xie@intel.com> <1445355007-4613-1-git-send-email-huawei.xie@intel.com> <1445355007-4613-6-git-send-email-huawei.xie@intel.com> <8F6C2BD409508844A0EFC19955BE094180CD95@SHSMSX103.ccr.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [PATCH v3 5/7] virtio: virtio vec rx 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: Thu, 22 Oct 2015 05:48:52 -0000 On 10/22/2015 12:04 PM, Wang, Zhihong wrote:=0A= > Wonder if the prefetch will actually help here.=0A= > Will prefetching rx_pkts[i] be more helpful?=0A= What is your concern prefetch the virtio ring?=0A= rx_pkts is local array, Why do we need to prefetch it?=0A= =0A=