ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,822, issued on March 25, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"GPU virtualisation" was invented by Dave Roberts (Saratoga, Calif.), Mario Sopena Novales (Hertfordshire, Great Britain) and John W. Howson (Hertfordshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of GPU virtualization comprises allocating each virtual machine (or operating system running on a VM) an identifier by the hypervisor and then this identifier is used to tag every transaction deriving from a GPU workload operating within a given VM context (i.e. every GPU transaction on the system bus which interconnects the...