Ubuntu - GPU - OpenCL - Check what OpenCL loaders are installed
dpkg-l|grep-i icd
returns:
ii ocl-icd-libopencl1:amd64 2.2.14-3 amd64 Generic OpenCL ICD Loader
ii ocl-icd-libopencl1:i386 2.2.14-3 i386 Generic OpenCL ICD Loader
ii rocm-ocl-icd 2.0.0.50406-148~22.04 amd64 opencl built using CMake