CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR  261 3rdparty/include/opencl/1.2/CL/cl.h #define CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR          0x1036
CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR  431 modules/core/src/ocl.cpp #define CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR          0x1036