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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB3753.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0119d9da-529d-4310-743e-08d9454a5dff X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jul 2021 15:33:15.5515 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: eegfq1qjGSigHNOaBCQcHO/QHeE9gfFh8xdDrt0kne9gb4i4IBFj4h5p1xUkJebjSr1+1CsB0r5oEyIcbGZOhg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1308 Subject: Re: [dpdk-dev] [PATCH v2 2/2] net/mlx5: reduce unnecessary memory access 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 Sender: "dev" > -----Original Message----- > From: Ruifeng Wang > Sent: Wednesday, July 7, 2021 12:03 > To: Raslan Darawsheh ; Matan Azrad > ; Shahaf Shuler ; Slava > Ovsiienko > Cc: dev@dpdk.org; jerinj@marvell.com; nd@arm.com; > honnappa.nagarahalli@arm.com; Ruifeng Wang > Subject: [PATCH v2 2/2] net/mlx5: reduce unnecessary memory access >=20 > MR btree len is a constant during Rx replenish. > Moved retrieve of the value out of loop to reduce data loads. > Slight performance uplift was measured on both N1SDP and x86. >=20 > Suggested-by: Slava Ovsiienko > Signed-off-by: Ruifeng Wang Thank you for the update, Acked-by: Viacheslav Ovsiienko