Patent ID: 11868259
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The method of claim 1, wherein broadcasting the request to the other boards of the plurality of boards further comprises:
receiving the request at a respective branch processor at each of the other boards;
broadcasting the request from the respective branch processors to the other processors in a same board;
receiving, at the respective branch processors, PRESPs from the other processors in the same board reporting other operations in flight for the same cached data;
forwarding the PRESPs from the other processors in the other boards to the first processor on the first board;
transmitting a board-scope CRESP from the respective branch processors to only other processors in the same board that indicated they are still participating in the request based on the PRESPs; and
transmitting a global-scope CRESP from the first board to the other processors in the other boards that indicated they are still participating in the request based on the PRESPs.