ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,411, issued on Oct. 21, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Hazard generating for speculative cores in a microprocessor" was invented by Shakti Kapoor (Austin, Texas), Nelson Wu (Austin, Texas) and Manoj Dusanapudi (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system, mechanism, tool, programming product, processor, and/or method for generating a hazard in a processor includes: identifying one or more cache lines to invalidate in a second level memory of a processing core in the processor; invalidating, in response to identifying one or more cache lines to invalidate in the second level cache, ...