GPUDirect RDMA on NVIDIA Jetson AGX Xavier

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Remote Direct Memory Access (RDMA) allows computers to exchange data in memory without the involvement of a CPU. The benefits include low latency and high bandwidth data exchange. GPUDirect RDMA extends the same philosophy to the GPU and the connected peripherals in Jetson AGX Xavier. GPUDirect RDMA enables a direct path for data exchange between…

Is there any benchmark between using GPUDirect RDMA or Standard DMA Transfer regarding the latency on Xavier? I am asking this because I know that in Jetson family devices, the memory is accessible with pointers between CPU and GPU (no memcopy operation is required) which means that we can use zero-copy.

thank you