A computer system provides transactional memory operations, in which a selected data item in a shared memory is referenced by a CPU in local storage (such as a write-back cache). The CPU performs some operation to alter or use the data item while it is in local memory, and meanwhile monitors the bus...http://www.google.fr/patents/US5428761?utm_source=gb-gplus-shareBrevet US5428761 - System for achieving atomic non-sequential multi-word operations in shared memory
System for achieving atomic non-sequential multi-word operations in shared ...