US Patent Issued to International Business Machines on May 12 for "Low power late-selected caches using a set-prediction history" (American, German Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,704, issued on May 12, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Low power late-selected caches using a set-prediction history" was invented by David A. Hrusecky (Cedar Park, Texas) and Wolfgang Penth (Holzgerlingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, computer program product, and computer system for reading data stored in a set associative cache. A cache read instruction that did not read the cache after being previously launched is relaunched after an effective address (EA) of the instruction was ascertained. A hash of the ascertained EA (EAHash) and a class congruence class (CCC) is determ...