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CL_DEVICE_ADDRESS_BITS returns 32 for a 6GB Radeon 7970

Question asked by roboto on Jan 27, 2014
Latest reply on Jan 28, 2014 by roboto

I have a Radeon 7970 and need more than 4GB. Currently, querying the device for adddress bits returns 32. I assume this is why I can't fully use my 6GB . Is it possible to use more than 4GB like CUDA?

Or does the AMD OpenCL driver only support 32bit addressing?