Answered my own question with a Google search: https://developer.nvidia.com/gpudirect#:~:text=LEARN%20MORE%20%E2%80%BA-,GPUDirect%20Peer%20to%20Peer,fabric%20(

Answered my own question with a Google search: https://developer.nvidia.com/gpudirect#:~:text=LEARN%20MORE%20%E2%80%BA-,GPUDirect%20Peer%20to%20Peer,fabric%20(PCIe%2C%20NVLink) https://developer.nvidia.com/gpudirect#:~:text=LEARN%20MORE%.... > GPUDirect Peer to Peer > Enables GPU-to-GPU copies as well as loads and stores directly over the memory fabric (PCIe, NVLink). GPUDirect Peer to Peer is supported natively by the CUDA Driver. Developers should use the latest CUDA Toolkit and drivers on a system with two or more compatible devices.