From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH v2 ] ixgbe: speed up transmit Date: Fri, 11 Dec 2015 08:48:19 -0800 Message-ID: <20151211084819.2177795d@xeon-e3> References: <1447431013-23245-1-git-send-email-stephen@networkplumber.org> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit To: , Helin Zhang , Konstantin Ananyev Return-path: Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) by dpdk.org (Postfix) with ESMTP id 0E4E78E5A for ; Fri, 11 Dec 2015 17:48:13 +0100 (CET) In-Reply-To: <1447431013-23245-1-git-send-email-stephen@networkplumber.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Fri, 13 Nov 2015 08:10:13 -0800 Stephen Hemminger wrote: > From: Stephen Hemminger > > The freeing of mbuf's in ixgbe is one of the observable hot spots > under load. Optimize it by doing bulk free of mbufs using code similar > to i40e and fm10k. > > Drop the no longer needed micro-optimization for the no refcount flag. > > Signed-off-by: Stephen Hemminger How come this patch got no review or comments? It gets a visible performance gain of up to 10% in some cases. I understand maintainers are busy with internal work, but they need to read mailing list as well.