Patent ID: 6950913
Filing Date: 2005-09-27
Classification: G06F

Abstract:
1. A computer system, comprising: a home cluster comprising a plurality of home nodes, including a plurality of home processors and a home cache coherence controller, wherein the home nodes are interconnected in a first point-to-point architecture, wherein one of the plurality of home nodes comprises a home lock manager configured to broadcast a lock command to the plurality of home processors and the home cache coherence controller; and a first remote cluster comprising a first remote cache coherence controller and a first plurality of remote processors, wherein the first remote cache coherence controller and the first plurality of remote processors are interconnected in a second point-to-point architecture and wherein the first remote cache coherence controller is configured to receive the lock command via the home cache coherence controller and to forward the lock command to the first plurality of remote processors; wherein the home cache coherence controller has access to a home configuration register that includes a home lock manager location and a first remote cache coherence controller location.