Patents by Inventor Arthur J. O'Neil, JR.

Arthur J. O'Neil, JR. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Position-based replacement policy for address synonym management in shared caches
    Patent number: 9477613
    Abstract: A computer-implemented method includes receiving a request to access a cache entry in a shared cache. The request references a synonym for the cache entry. A cache directory of the shared cache includes, for each cache entry of the shared cache, a first-ranked synonym slot for storing a most recently used synonym for the cache entry and a second-ranked synonym slot for storing a second most recently used synonym for the cache entry. The method includes, based on receiving the request, writing contents of the first-ranked synonym slot for the cache entry to the second-ranked synonym slot for the cache entry, and writing the synonym referenced in the request to the first-ranked synonym slot for the cache entry.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: October 25, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Deanna Postles Dunn Berger, Michael F. Fee, Arthur J. O'Neil, Jr., Robert J. Sonnelitter, III
  • POSITION-BASED REPLACEMENT POLICY FOR ADDRESS SYNONYM MANAGEMENT IN SHARED CACHES
    Publication number: 20160239434
    Abstract: A computer-implemented method includes receiving a request to access a cache entry in a shared cache. The request references a synonym for the cache entry. A cache directory of the shared cache includes, for each cache entry of the shared cache, a first-ranked synonym slot for storing a most recently used synonym for the cache entry and a second-ranked synonym slot for storing a second most recently used synonym for the cache entry. The method includes, based on receiving the request, writing contents of the first-ranked synonym slot for the cache entry to the second-ranked synonym slot for the cache entry, and writing the synonym referenced in the request to the first-ranked synonym slot for the cache entry.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 18, 2016
    Inventors: Deanna Postles Dunn Berger, Michael F. Fee, Arthur J. O'Neil, JR., Robert J. Sonnelitter, III