I don't do AWS any more, but the adapters apparently used with UltraCluster had a latency of 15µs last I knew. I think the NAS benchmarks are overall less late

I don't do AWS any more, but the adapters apparently used with UltraCluster had a latency of 15µs last I knew. I think the NAS benchmarks are overall less latency sensitive than DFT and would benefit less from GPUs, and I assume UltraCluster is rather expensive even by AWS standards.