CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR  213 3rdparty/include/opencl/1.2/CL/cl.h #define CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR       0x1006
CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR  383 modules/core/src/ocl.cpp #define CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR       0x1006