![]() The basics of writing OpenCL code targeting CPUs or GPUs is the same, and they differ mainly in performance tuning.įor GPU programming, any AMD or NVidia GPU made in the past several years will have some degree of OpenCL support, though there have been some new features introduced with newer generations that can't be easily emulated for older generations. If you want to learn OpenCL, you can start right now with an OpenCL implementation that has a CPU back-end. If you want to use CUDA, you'll need a GPU from NVidia, and their site explains the compute capabilities of their different products.
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