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Wed, 11 May 2022 04:12:30 +0000 From: Honnappa Nagarahalli To: Ruifeng Wang , Rahul Bhansali , "dev@dpdk.org" , Jan Viktorin , Bruce Richardson CC: "jerinj@marvell.com" , nd , nd Subject: RE: [PATCH v4 2/2] config/arm: disable SVE ACLE for cn10k Thread-Topic: [PATCH v4 2/2] config/arm: disable SVE ACLE for cn10k Thread-Index: AQHYY45XsCa+HssBVkqcV5uR+mKO3q0Y56vwgAArHVA= Date: Wed, 11 May 2022 04:12:30 +0000 Message-ID: References: <20220505142744.1423344-1-rbhansali@marvell.com> <20220509101932.2403562-1-rbhansali@marvell.com> <20220509101932.2403562-2-rbhansali@marvell.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ts-tracking-id: E233C7FA9EDECD439A89BFE0511B8D36.0 x-checkrecipientchecked: true Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-MS-Office365-Filtering-Correlation-Id: 46cb57d1-3180-462b-1656-08da33047c3b x-ms-traffictypediagnostic: DB6PR0801MB1749:EE_|AM5EUR03FT012:EE_|PAXPR08MB7349:EE_ x-ld-processed: f34e5979-57d9-4aaa-ad4d-b122a662184d,ExtAddr X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true nodisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(110136005)(55016003)(316002)(5660300002)(336012)(8936002)(508600001)(47076005)(26005)(186003)(40460700003)(54906003)(52536014)(70586007)(70206006)(8676002)(83380400001)(356005)(4326008)(82310400005)(33656002)(36860700001)(81166007)(6506007)(53546011)(7696005)(4744005)(86362001)(2906002)(9686003); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 May 2022 04:12:38.2910 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 46cb57d1-3180-462b-1656-08da33047c3b X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT012.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR08MB7349 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > > -----Original Message----- > > From: Rahul Bhansali > > Sent: Monday, May 9, 2022 6:20 PM > > To: dev@dpdk.org; Jan Viktorin ; Ruifeng Wang > > ; Bruce Richardson > > > Cc: jerinj@marvell.com; Rahul Bhansali > > Subject: [PATCH v4 2/2] config/arm: disable SVE ACLE for cn10k > > > > This disable the sve_acle flag for cn10k. > > > > Performance impact:- > > With l3fwd example, lpm lookup performance increased by ~21% if Neon > > is used instead of SVE. Suggest changing this commit log as follows: "With l3fwd example, lpm lookup performance increased by ~21% if Neon is us= ed instead of SVE. Hence, disable sve_acle flag for cn10k". > > > > Signed-off-by: Rahul Bhansali > > --- > Acked-by: Ruifeng Wang