ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,487, issued on May 26, was assigned to EMC IP HOLDING COMPANY LLC (Hopkinton, Mass.).

"Workload generator and simulator for storage caching systems" was invented by Jaumir Valenca Da Silveira Junior (Rio de Janeiro, Brazil) and Vinicius Michel Gottin (Rio de Janeiro, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system for calibrating a simulator instance is disclosed. Specifically, the method and system disclosed herein may receive, by a workload generator, a trace file specifying operations; generate, by the workload generator, a workload based on the operations, wherein the workload includes one or more read or write requests ...