I don't know about "72-core/64-core" but I found older references to 24 and 48-core: http://dmesgd.nycbug.org/index.cgi?do=view&id=2778 http://dmesgd.nycbug.or

I don't know about "72-core/64-core" but I found older references to 24 and 48-core: http://dmesgd.nycbug.org/index.cgi?do=view&id=2778 http://dmesgd.nycbug.org/index.cgi?do=view&id=2778 http://dmesgd.nycbug.org/index.cgi?do=view&id=2725 http://dmesgd.nycbug.org/index.cgi?do=view&id=2725