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Atomic operations among multiple OpenCL-enabled devices

Question asked by acekiller on Sep 25, 2012
Latest reply on Sep 25, 2012 by nou

I am developing something in heterogeneous systems with CPU and GPU (AMD APU, in fact) with OpenCL. Since I will use atomic operations to guarantee the integrity of data, and the data is shared among CPU device and GPU device, on each of which there is a kernel running on the shared data. My question is: is atomic operation still valid between these two devices? Hope anyone can help me. Many thanks.