Equivalent to AMD CUDA Driver API?

CUDA has an API and runtime API. What is equivalent to this in AMD ?. Can I get more control if I modify IL in llvm somehow?

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The analogue of the CUDA driver API on the AMD platform is OpenCL. Currently, I do not know the analogue of the CUDA API on the AMD platform.

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I believe the next match with the NVIDIA CUDA API will be AMD CAL , which comes with the AMD APP SDK . AMD CAL not only offers a lower level host API than OpenCL, but also a lower-level kernel compute language called AMD IL, which is also an intermediate language that compiles OpenCL.

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