From mboxrd@z Thu Jan 1 00:00:00 1970 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) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Apr 2018 09:19:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,446,1517904000"; d="scan'208";a="47671531" Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155]) by orsmga001.jf.intel.com with ESMTP; 13 Apr 2018 09:19:55 -0700 Received: from irsmsx101.ger.corp.intel.com ([169.254.1.176]) by IRSMSX102.ger.corp.intel.com ([169.254.2.164]) with mapi id 14.03.0319.002; Fri, 13 Apr 2018 17:19:55 +0100 From: "Van Haaren, Harry" To: Jerin Jacob CC: "dev@dpdk.org" , "Varghese, Vipin" Thread-Topic: [PATCH v3] event/sw: code refractor to reduce the fetch stall Thread-Index: AQHTzKLTv6bXl3ERQUy/rkHajyfUjKPxzQOAgA0fclA= 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> In-Reply-To: <20180405085310.GB2674@jerin> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiZjJjYzE1M2ItZjhmYi00YThlLTg5ZjUtNmYxZjkzNDA3NTE3IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjIuNS4xOCIsIlRydXN0ZWRMYWJlbEhhc2giOiJIMFFqTnJ6d21pZ2VGS3FvalF2RGdUNUE5bFJ0MGczdERuY25Ia0NkVFBxWlNZSkdVREZQZXIraXBRNHIzbm1VIn0= x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.200.100 dlp-reaction: no-action x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v3] event/sw: code refractor to reduce the fetch stall X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Apr 2018 16:19:58 -0000 > 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