Sandpile.org refreshed their CPUID page - it is a goldmine, e.g. the abandoned #AVX512 levels, MIC projects, etc.:
www.sandpile.org/x86/cpuid.htm
#AVX512QVNNI #AVX512DFMA #AVX512BITALG2 #KnightsBridge #KnightsPeak #KnightsCorner