how could you go about testing this on say llama3 70b with two 4090s - vllm supports tensor parallelism, would the expectation be that inference would be fast

how could you go about testing this on say llama3 70b with two 4090s - vllm supports tensor parallelism, would the expectation be that inference would be faster with p2p? How would you update the nvidia driver tho? Thanks any thought appreciated