US Patent Issued to Ventana Micro Systems on Dec. 2 for "Virtually-indexed cache coherency using physical address proxies" (California, Texas Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,939, issued on Dec. 2, was assigned to Ventana Micro Systems Inc. (Cupertino, Calif.).

"Virtually-indexed cache coherency using physical address proxies" was invented by John G. Favor (San Francisco), Srivatsan Srinivasan (Cedar Park, Texas) and Robert Haskell Utley (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cache memory subsystem includes virtually-indexed L1 and PIPT L2 set-associative caches having an inclusive allocation policy such that: when a first copy of a memory line specified by a physical memory line address (PMLA) is allocated into an L1 entry, a second copy of the line is also allocated into an L2 entry; when the se...