Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrew Moy0
Andrew Dale Wall0
David Frank Hepner0
Date of Patent
July 3, 2007
0Patent Application Number
108186010
Date Filed
April 6, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Prefetching data and instructions from a hierarchical memory based upon trajectories and patterns of prior memory fetches. Portions of the data are stored in a slower main memory and are transferred to faster intermediate memory between a requester and the slower main memory. The selected data items are retrieved from the slower main memory into a prefetch read buffer as an intermediate memory prior to any request from the requester for the particular selected and prefetched data. The address and size of the prefetched data is derived from the history, pattern, or trajectory of prior memory reads.
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