> That's exactly how GPUs work. (NVIDIA) GPUs don't have one common instruction set - they are just shipped with one blessed suite of tooling that hides the di

> That's exactly how GPUs work. (NVIDIA) GPUs don't have one common instruction set - they are just shipped with one blessed suite of tooling that hides the differences between a very limited set of architecture families. Many different PTX instructions have radically different performance characteristics between families (because they aren't actually hardened in some.)