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Clustered superscalar is an attractive alternative to large monolithic superscalar, and point-to-point (p-to-p) network is often used as inter-cluster communication networks (ICCN) to transfer dependent values between clusters. This new class of networks has demands and characteristics different from traditional networks. In order to pursue high performance, it should be highly coupled with the microarchitecture of microprocessor, and requires ultra low communication latency. In this paper, a novel microarchitecture of ICCN is proposed. And it performs 5.8% better than the network proposed in .