ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,858, issued on Nov. 4, was assigned to Fujitsu Ltd. (Kawasaki, Japan).
"Processor" was invented by Takahiro Shikibu (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The processor includes core circuits and a cache unit having L2 to LN caches (N is 3 or more). L1 cache has a move-in buffer including entries in which memory access instruction resulted in cache miss in L1 cache is stored. The move-in buffer, when issuing a normal memory request to L2 cache, issues a pseudo memory request to L3 to LN caches in parallel and receives a pseudo data response that has coherency-unsecured data from any one cache. The re-order buffer executes a n...