Plus NVIDIA clocked that it was also the developer library ecosystem and even now there just aren’t equivalents. The AMD rocFFT library wasn’t even complete compared to FFTW until very recently and cuFFT did that more than a decade ago
replySYCL is the de facto successor to OpenCL that supports higher level languages. So the vision was and is there.
replyAs mentioned, Khronos only changed their mind when it was too late.
replyI can also recite the whole story, the missteps in OpenCL 2. , OpenCL C++, the OpenCL 3.0 reboot, how SYCL came to, CodePlay only proper available implementation, Intel acquisition of CodePlay and everything else.