Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933158AbbLHG6j (ORCPT ); Tue, 8 Dec 2015 01:58:39 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:62569 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932460AbbLHG6i (ORCPT ); Tue, 8 Dec 2015 01:58:38 -0500 Subject: Re: [PATCH net-next] net: hns: optimize XGE capability by reducing cpu usage To: "Du, Fan" , , , , , , , References: <1449300749-50275-1-git-send-email-yankejian@huawei.com> <56654A31.4080607@intel.com> <56667729.1080701@huawei.com> <56667921.2010006@intel.com> CC: , , , , From: "Yankejian (Hackim Yim)" Message-ID: <56667F7C.9020009@huawei.com> Date: Tue, 8 Dec 2015 14:58:04 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <56667921.2010006@intel.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.57.126.191] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020203.56667F89.007C,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 4391dc0cb1bd3e3a69c327be5a7f07e1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1031 Lines: 35 On 2015/12/8 14:30, Du, Fan wrote: > > > On 2015/12/8 14:22, Yankejian (Hackim Yim) wrote: >> >> On 2015/12/7 16:58, Du, Fan wrote: >>> > >>> > >>> >On 2015/12/5 15:32, yankejian wrote: >>>> >>here is the patch raising the performance of XGE by: >>>> >>1)changes the way page management method for enet momery, and >>>> >>2)reduces the count of rmb, and >>>> >>3)adds Memory prefetching >>> > >>> >Any numbers on how much it boost performance? >>> > >> it is almost the same as 82599. > > I mean how much it improves performance *BEFORE* and *AFTER* this patch > for Huawei XGE chip, because the commit log states it "raising the performance", > but did give numbers of the testing. > > . > Hi Du Fan, the bandwidth's raising is not obviously, but the cpu usage degracing up to 50% -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/