ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,236, issued on Sept. 23, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Coherency control" was invented by Andrew David Tune (Dronfield, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprises an non-inclusive cache (14) configured to cache data and coherency control circuitry (16). The coherency control circuitry is configured to look up the non-inclusive cache in response to a coherent access request from a first requestor (4). In response to determining that the coherent access request can be serviced using data stored in a matching entry of the non-inclusive cache, the coherency control circuitry references sn...