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Physical address memory region (PA_MR) allows for managing physical memory used for posting Send and Receive requests. This can benefit the performance of applications that register large memory regions with random access.

PA_MR Experimental Verbs

  • Ibv_exp_reg_mr
    • IBV_EXP_ACCESS_PHYSICAL_ADDR

PA_MR Device Capabilities

  • IBV_EXP_DEVICE_PHYSICAL_RANGE_MR


PA_MR RDMA-Core Support 

This feature is currently not supported by RDMA-Core.

For further information, please contact Support.