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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: j43MWBAp2HnyKYiBK4kb/XeFFOwzXl/dhTsaycM8s/NiSMkRMSiTMstfps2Mz8+wLMWCbKzC5UUfbr4eTw8MnheSOcj6sp7NTPSBpRaEZG0yupGavJLHzVzZMyr0/G/p2hvcuip25TIlE3yK7WhU/tqyhU6GoOTfN8smpDP4x9bapB30ZgIYfR+tVA8WCMoI62rLiClCppUxnNVbInuMgdavLJfGPWKlriXUqaI59b5ZwzY956Iuxl37kEIB/cUNn527gSsbei+yxZNOv/howUGZzpj5lJ2aXpbrzUfxzVjLshdoke5Rp4fPK+sXWdPKTcwd/H07g/l/JOkkQd7asBGgoCyS/NG72kzTdHNMT6jl8bl47rTiAqK34A9ptuIEsJVM/5DPdR4BaGauv1oUlMgcI1f5whjoBc3MrdyiTWtg4zmvRzJYfl+FAR9vmKqu X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Apr 2026 08:09:20.0212 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f40ad68b-de00-4bf1-8921-08dea36b1e7e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000026C3.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9687 On 23/04/2026 22:17, Bruce Merry wrote: > On Thu, Apr 23, 2026 at 05:55:53PM +0300, Yishai Hadas wrote: >> On 22/04/2026 18:22, Bruce Merry wrote: >>> Hello >>> >>> I'm hoping someone from NVIDIA Networking can help with this; I wasn't >>> sure of the best way to get in contact with the engineers working on >>> mlx5 kernel code so thought I'd try here. I'm trying to write some >>> (userspace) code using ibv_reg_mr_ex to register a memory region using >>> TLP Processing Hints (THP) to improve performance on an Epyc Turin > > ... > >> It's supported only on CX8 for now. > > Thanks. Does "for now" mean that you expect it to become available on > CX7 in future, and if so, are you able to say anything about timelines? > AFAIK there is a plan to support TPH on CX7 in the future (around the end of year). It would be better to reach out to NVIDIA support about that. Yishai > Thanks > Bruce