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GPU Direct equivalent in AMD OpenCL

Question asked by anu10111988 on Apr 3, 2013
Latest reply on Apr 4, 2013 by himanshu.gautam



          As in NVIDIA CUDA based GPU direct in which we can communicate with GPU and CPU or GPU and GPU with less latency , do we have anything equivalent to this with AMD OpenCL ? According to my understanding, Zero copy( with CL_MEM_ALLOC_HOST_PTR) in clCreateBuffer ,is between CPU and GPU . Can anyone tell me how to communicate between two GPUs without host interference in OPENCL ?