ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,759, issued on May 20, was assigned to Google LLC (Mountain View, Calif.).
"Pseudo lock-step execution across CPU cores" was invented by Balaram Sinharoy (Cupertino, Calif.) and Peter Hochschild (New York).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for automatically detecting errors, such as SDC, in a multi-core computing environment. For example, cores may run in an error detection mode, in which multiple cores repeat the same execution of instructions and the results are compared. Based on the results, it may be determined whether one of the cores is failing."
The patent was filed on Aug. 16, 2023, under Applica...