This is not true. 3. is supported by AMD on new hardware, e.g., Frontier. See https://docs.olcf.ornl.gov/systems/frontier_user_guide.html#migration-of-memory-b

This is not true. 3. is supported by AMD on new hardware, e.g., Frontier. See https://docs.olcf.ornl.gov/systems/frontier_user_guide.html#migration-of-memory-by-allocator-and-xnack-mode https://docs.olcf.ornl.gov/systems/frontier_user_guide.html#...