A multiple computer environment is disclosed in which an application program executes simultaneously on a plurality of computers (M1, M2, . . . Mn) interconnected by a communications network (53) and in which the local memory of each computer is not maintained substantially the same by updating in due...http://www.google.com.tw/patents/US20070101080?utm_source=gb-gplus-share專利 US20070101080 - Multiple machine architecture with overhead reduction