The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2009
Filed:
Jun. 11, 2008
Kattamuri Ekanadham, Mohegan Lake, NY (US);
IL Park, Fishkill, NY (US);
Pratap C. Pattnaik, Ossining, NY (US);
Kattamuri Ekanadham, Mohegan Lake, NY (US);
Il Park, Fishkill, NY (US);
Pratap C. Pattnaik, Ossining, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods, systems and computer program products for concomitant pair per-fetching. Exemplary embodiments include a method for concomitant pair prefetching, the method including detecting a stride pattern, detecting an indirect access pattern to define an access window, prefetching candidates within the defined access window, wherein the prefetching comprises obtaining prefetch addresses from a history table, updating a miss stream window, selecting a candidate of a concomitant pair from the miss stream window, producing an index from the candidate pair, accessing an aging filter, updating the history table and selecting another concomitant pair candidate from the miss stream window.