US Patent Issued to SiFive on Sept. 15 for "Selectable and hierarchical power management" (Massachusetts Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,023, issued on Sept. 15, was assigned to SiFive Inc. (Santa Clara, Calif.).

"Selectable and hierarchical power management" was invented by Edward Mclellan (Holliston, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are systems and methods for power management. A processing system includes one or more cores and a connected power management unit (PMU). The PMU is selected from one of: a first level PMU which can power scale a; a second level PMU which can independently control power from a shared cluster power supply to each core of two or more cores in a cluster; a third level PMU where each core includes a power monitor which can tra...