Are you more interested in open or practical? OpenCL is open. That's important for a lot of people. But, on the practical side, Nvidia has invested more in impr

Are you more interested in open or practical? OpenCL is open. That's important for a lot of people. But, on the practical side, Nvidia has invested more in improving CUDA than all actors combined have put into OpenCL. It's reached the point that people are implementing open-source CUDA compilers to bring CUDA to non-Nvidia platforms.