From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Van Haaren, Harry" Subject: Re: [PATCH v3] event/sw: code refractor to reduce the fetch stall Date: Fri, 13 Apr 2018 16:19:54 +0000 Message-ID: References: <1522927443-13796-1-git-send-email-vipin.varghese@intel.com> <1522907790-484-1-git-send-email-vipin.varghese@intel.com> <20180405085310.GB2674@jerin> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Cc: "dev@dpdk.org" , "Varghese, Vipin" To: Jerin Jacob Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 391261C69A for ; Fri, 13 Apr 2018 18:19:57 +0200 (CEST) In-Reply-To: <20180405085310.GB2674@jerin> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com] > Sent: Thursday, April 5, 2018 9:53 AM > To: Varghese, Vipin > Cc: dev@dpdk.org; Van Haaren, Harry > Subject: Re: [PATCH v3] event/sw: code refractor to reduce the fetch stal= l >=20 > -----Original Message----- > > Date: Thu, 5 Apr 2018 11:26:30 +0530 > > From: Vipin Varghese > > To: dev@dpdk.org, harry.van.haaren@intel.com > > CC: jerin.jacob@caviumnetworks.com, Vipin Varghese > > > > Subject: [PATCH v3] event/sw: code refractor to reduce the fetch stall > > X-Mailer: git-send-email 1.9.1 > > > > With rearranging the code to prefetch the contents before > > loop check increases performance from single and multistage > > atomic pipeline. > > > > Signed-off-by: Vipin Varghese > > Acked-by: Harry van Haaren >=20 > Applied to dpdk-next-eventdev/master. Thanks. Hi Jerin, On further investigation into the patch, the performance gains seem to be q= uite workload dependent. Hereby a request to drop this patch from the next-eventdev tree, so that we can investigate further, and rework / refactor for a future release. Regards, -Harry