Power efficient snoop filter design for mobile platform

摘要

A method includes: receiving a coherent request from a requester; looking up a state array of a snoop filter table corresponding to an index identified by the coherent request; determining state information corresponding to the coherent request; and determining to access one or more address tag arrays of the snoop filter table based on one or more of the state information, the requester, and a type of the coherent request.