From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 139102C0C for ; Tue, 18 Oct 2016 16:29:09 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP; 18 Oct 2016 07:29:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,362,1473145200"; d="scan'208";a="891215052" Received: from yliu-dev.sh.intel.com (HELO yliu-dev) ([10.239.67.162]) by orsmga003.jf.intel.com with ESMTP; 18 Oct 2016 07:29:08 -0700 Date: Tue, 18 Oct 2016 22:30:03 +0800 From: Yuanhan Liu To: Maxime Coquelin Cc: dev@dpdk.org, mst@redhat.com, jianfeng.tan@intel.com, olivier.matz@6wind.com, stephen@networkplumber.org Message-ID: <20161018143003.GO16751@yliu-dev.sh.intel.com> References: <1475773241-5714-1-git-send-email-maxime.coquelin@redhat.com> <1476432427-2724-1-git-send-email-maxime.coquelin@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1476432427-2724-1-git-send-email-maxime.coquelin@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [dpdk-dev] [PATCH v3] vhost: Only access header if offloading is supported in dequeue path 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: Tue, 18 Oct 2016 14:29:10 -0000 On Fri, Oct 14, 2016 at 10:07:07AM +0200, Maxime Coquelin wrote: > If offloading features are not negotiated, parsing the virtio header > is not needed. > > Micro-benchmark with testpmd shows that the gain is +4% with indirect > descriptors, +1% when using direct descriptors. > > Signed-off-by: Maxime Coquelin Applied to dpdk-next-virtio. Thanks. --yliu