Before revision:  For a unified shared LLC, bus interface is not scalable, and it seems that distributed shared LLC (DSLLC) is a better choice , so most of papers assume a distributed shared LLC beside each core in on-chip network.
After revision:  For a unified shared LLC, bus interface is not scalable, and it seems that distributed shared LLC (DSLLC) is a better choice . Most of papers assume a distributed shared LLC beside each core in on-chip network.