> On the other hand, on Leonardo, the average latency increases by up to 2x when the GPUs are in different groups rather than under the same switch. I'm in the

> On the other hand, on Leonardo, the average latency increases by up to 2x when the GPUs are in different groups rather than under the same switch. I'm in the process of deploying a Dell 128 GPU/NIC cluster with AMD MI300x and we're going entirely into a single Dell Z9864F @ 400G. This is a brand new product and we are one of the first to receive it. Looking forward to doing some benchmarking to see how everything performs.