Multiple cluster processor

A multiple processor system is disclosed. The processor system includes a first cluster including a first plurality of processors is associated with a first cluster cache, a second cluster including a second plurality of processors associated with a second cluster cache, and a cluster communication network between the first cluster and the second cluster for sharing data between the first cluster and the second cluster. The first cluster includes a first unshared connection to the cluster communication network and the second cluster includes a second unshared connection to the cluster communication network.