From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Freimann Subject: Re: [PATCH] vhost: adaptively batch small guest memory copies Date: Mon, 28 Aug 2017 08:31:23 +0200 Message-ID: <20170828063123.l2eu7cetbr537boc@localhost.localdomain> References: <20170824021939.21306-1-tiwei.bie@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Cc: dev@dpdk.org, yliu@fridaylinux.org, maxime.coquelin@redhat.com, Zhihong Wang , Zhiyong Yang To: Tiwei Bie Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 92311101B for ; Mon, 28 Aug 2017 08:31:29 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20170824021939.21306-1-tiwei.bie@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi Tiwei, On Thu, Aug 24, 2017 at 10:19:39AM +0800, Tiwei Bie wrote: >This patch adaptively batches the small guest memory copies. >By batching the small copies, the efficiency of executing the >memory LOAD instructions can be improved greatly, because the >memory LOAD latency can be effectively hidden by the pipeline. >We saw great performance boosts for small packets PVP test. this sounds interesting. Do you have numbers showing how much performance improved for small packets? regards, Jens