ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,071, issued on March 17, was assigned to Apple Inc. (Cupertino, Calif.).
"Pattern match prefetcher with supplemental program-counter-based learning" was invented by Stephen G. Meier (Los Altos, Calif.) and Tyler J. Huberty (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed techniques relate to supplemental PC-based learning for a pattern-based prefetcher. In some embodiments, prefetch circuitry is configured to store access map data based on address information corresponding to memory accesses and generate, based on the access map data and stored access patterns, one or more prefetch requests to prefetch data to a cache. In...