MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647102580 A) filed by Google LLC on August 25, 2026, for Power Reduction Using A Freelist For Register Renaming.
Inventors include Chang, Wan Yun; Nguyen, Dung Quoc; Bonanno, James Joseph; Lin, Chunyu; Priyadarshi, Shivam; Esper, John Michael; Lee, Chang-Chia; Chirra, Vidisha Reddy; and Senthil Kumar, Shvetha.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: Methods, systems, and apparatus for reducing power to physical registers using a freelist that is used for register renaming. One of the methods includes maintaining, in a processor, a freelist that tracks the availability of physical registers of a physical register file, wherein the freelist is partitioned into a plurality of regions, each region corresponding to a subset of the physical register file. If a region of the freelist represents an inactive region of the physical register file, power is reduced to one or more physical registers is in the physical register file corresponding to the inactive region of the freelist.
Disclaimer: Curated by HT Syndication.
