US Patent Issued to Advanced Micro Devices on Dec. 9 for "Modifying system directory capacity based on power state transition" (Washington, Massachusetts Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,559, issued on Dec. 9, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Modifying system directory capacity based on power state transition" was invented by John Kalamatianos (Arlington, Mass.) and Srilatha Manne (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a core complex with multiple processor cores and multiple caches. The system also includes system directories that track cache residency in the caches of the core complex. Based at least in part on a power state transition of the core complex a system directory can adjust its capacity to track the cache residency."

The patent was filed on March 29, ...