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LOCAL-ONLY SYNCHRONIZING OPERATIONS

United States Patent Application

20120185672
A1
View the Complete Application at the US Patent & Trademark Office
Performing a series of successive synchronizing operations by a core on data shared by a plurality of cores may include a first core indicating an upcoming synchronizing operation on shared data. A second memory layer stores the shared data and tracks the first core's ownership of the shared data. The second memory layer is shared via coherency operations among the first core and one or more second cores. The first core may perform one or more synchronization operations on the shared data without requiring interaction from the second memory layer.
Gara, Alan (Mount Kisco, NY), Ohmacht, Martin (Yorktown Heights, NY), Steinmacher-Burow, Burkhard (Boeblingen, DE), Wisniewski, Robert W. (Ossining, NY)
INTERNATIONAL BUSINESS MACHINES CORPORATION (Armonk NY)
13/ 008,498
January 18, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under Contract No.: B554331 awarded by Department of Energy. The Government has certain rights in this invention.