I think the problem the other players have is they don't actually want to compete head-on with Nvidia. AMD actually commissioned a drop-in CUDA emulator and we

I think the problem the other players have is they don't actually want to compete head-on with Nvidia. AMD actually commissioned a drop-in CUDA emulator and we found out 'cause they stopped financing it and they open-sourced it as parts of the contract. I would speculate that no one actually wants a "clone wars" situation since it would commodify the GPU and reduce everyone's profit rate.