ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,246, issued on Feb. 24, was assigned to SiFive Inc. (Santa Clara, Calif.).
"Virtualized caches" was invented by Wesley Waylon Terpstra (San Mateo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed for virtualized caches. For example, an integrated circuit (e.g., a processor) for executing instructions includes a virtually indexed physically tagged first-level (L1) cache configured to output to an outer memory system one or more bits of a virtual index of a cache access as one or more bits of a requestor identifier. For example, the L1 cache may be configured to operate as multiple logical L1 caches with a cache ...