[mgh2]

This is a good analogy, but not sure where the innovation and customer loyalty will come from.

[pjmlp]

Tooling, because CUDA has support for C, C++, Fortran, Python JIT, and anything else targeting PTX, graphical GPU debugger, and the accelerated libraries ecosystem.

It just needs to be better than what Intel and AMD have been delivering since OpenCL 1.0.