ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,137, issued on May 12, was assigned to Amazon Technologies Inc. (Seattle).

"Gradient exchange using adaptable hyper-rectangle" was invented by Thiam Khean Hah (San Jose, Calif.) and Yongseok Koh (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided to configure M number of processing nodes as a network represented as a hyper-rectangle with N dimensions. Configuration may include determining N numeric factors of M and assigning a number of processing nodes in each of the N dimensions to correspond to one of the N numeric factors. Each processing node can compute a set of data. The set of data can be exchange...