![]() 6th Generation Intel® Core i3 Processors Intel® Core i3-6100U Processor (3M Cache, 2.30 GHz) Intel® HD Graphics 520. ![]() 6th Generation Intel® Core i5 Processors Intel® Core i5-6685R Processor (6M Cache, up to 3.80 GHz) Intel® Iris Pro Graphics 580. The driver is the latest version (Aug 29, 2016).Įdit: clGetDeviceInfo(devices, CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT, sizeof(maxWidth), &maxWidth, NULL) Īnd clGetDeviceInfo(devices, CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT, sizeof(maxWidth), &maxWidth, NULL) ĬPU returns 16, 8, 4 for Char, Short, Int/Float all respectfully. (4M Cache, up to 3.50 GHz) Intel® Iris Graphics 550. It is based on the Broadwell architecture and offers 48 shader cores and 3 execution units. Is this just a bug with the Apple implementation of clGetDeviceInfo? It should at least output that the the preferred width of char vector is bigger than the int vector. Intel Iris Graphics 6100 is a low-end graphics card for laptops. The 64128MB of dedicated memory you see is fictitious as its merely an amount o RAM which is pre-allocated to the iGPU at boot time. All 48 GPU EUs are recognized as being present as well. The CPU returned all the information correctly. using an Apple laptop with Mac OS system (version 10.15), core Intel i5 5257U, 8 GB of RAM, and Intel Iris Graphics 6100 card with 1536 MB of the RAM. That's expected behavior as doubles aren't supported. ![]() When the device was polled for the preferred vector widths for the GPU, every type comes up as 1, except the double. So each EU should support a vector of 8 floating point types. According to Wikipedia, the Iris Graphics 6100 has 48 execution units (EU) with each having a pair of 128 bit FPUs. ![]()
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