NVIDIA Developer Forums

Does CPU CAS work correctly with RDMA CAS?

Infrastructure & Networking Software And Drivers Mellanox OFED

user7452 March 2, 2025, 2:31pm 1

Hi, I am currently using Mellanox ConnectX-5 for RDMA and have a question. I’m wondering if there is guaranteed atomicity between CPU CAS and RDMA CAS?
Thanks!

Topic		Replies	Views	Activity
Does Mellanox NIC's 5.X support RDMA when IOMMU is enabled on systems? Software And Drivers configure , adapters-and-cables	1	684	December 15, 2020
Mellanox ConnectX-5 EN 25GB Dual Port SPF Rdma does not work properly InfiniBand/VPI Adapter Cards	1	1168	March 21, 2023
Does ConnectX-2 support latest Ceph RDMA code?	6	207	May 3, 2018
Does RDMA driver work on AMD platforms where memory encryption technologies are enabled? Software And Drivers adapters-and-cables	0	713	August 19, 2020
Mellanox NIC + Real time performance monitoring Mellanox OFED	1	1187	November 3, 2022
ConnectX-5 RSS Software And Drivers	2	321	September 2, 2020
Mellanox OFED with SoftRoCE RDMA Software For GPU	0	7	March 13, 2025
Does RoCE-v2 support default congestion control for UD in mellanox_5? Mellanox OFED rdma-and-roce	0	520	November 5, 2023
About the Mellanox adapter supporting GPUDirect Async and Storage technologys CUDA Programming and Performance	0	351	January 20, 2021
RDMA_CM connection setup issues Mellanox OFED	2	892	April 26, 2017