US Patent Issued to Advanced Micro Devices on Sept. 8 for "Efficient input/output memory management unit" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,757, issued on Sept. 8, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Efficient input/output memory management unit" was invented by Wei Sheng (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An input/output memory management unit includes a control logic circuit and a device table entry valid bit array. The control logic circuit provides physical addresses in response to virtual addresses of memory access requests from a plurality of input/output devices. The device table entry valid bit array stores a plurality of valid bits corresponding to different ones of the plurality of input/output devices. The control logic ci...