US Patent Issued to Advanced Micro Devices on June 3 for "Pseudo out-of-order store commit" (Texas Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,272, issued on June 3, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Pseudo out-of-order store commit" was invented by John M. King (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A buffer of a processing system allows younger stores to write to a data cache before an older store completes its write operation to the data cache while maintaining the appearance of committing stores in program order. To maintain the appearance that a blocked store completed its write operation to the data cache, the processing system cancels the blocked store while "locking" the cache line in the data cache in an exclusive state to wh...