ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,409, issued on Feb. 10, was assigned to Apple Inc. (Cupertino, Calif.).

"Trace cache that supports multiple different trace lengths" was invented by Muawya M. Al-Otoom (Lake Oswego, Ore.), Ilhyun Kim (Portland, Ore.), Niket K. Choudhary (Santa Clara, Calif.) and Pruthivi Vuyyuru (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed techniques relate to storing wide traces in a trace cache. In some embodiments, prediction circuitry predicts directions of control transfer instructions. Instruction cache circuitry may cache instructions sequentially in cache lines that store up to a first number of instructions. Trace cache circ...