US Patent Issued to SiFive on Oct. 7 for "Window-based control for instruction issue in an out-of-order processor" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,770, issued on Oct. 7, was assigned to SiFive Inc. (Santa Clara, Calif.).

"Window-based control for instruction issue in an out-of-order processor" was invented by I-Cheng Cheng (Zhubei, Taiwan), Chen Wei (Taoyuan, Taiwan), Kuan-Lin Huang (Taoyuan, Taiwan) and Yueh-Chi Wu (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A window-based constraint on issue order can be applied where a shared resource (e.g., a transfer buffer for load data) is allocated out-of-order by a first unit in a processor (e.g., a load/store unit) and freed in-order by a second unit in the processor (e.g., a unit that moves data out of the transfer buffer). The fi...