Cross-line: a globally adaptive control method of interconnection network
ISHPC'05/ALPS'06 Proceedings of the 6th international symposium on high-performance computing and 1st international conference on Advanced low power systems
Entropy throttling: a physical approach for maximizing packet mobility in interconnection networks
ACSAC'06 Proceedings of the 11th Asia-Pacific conference on Advances in Computer Systems Architecture
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Global operation and system control are important issuesin massively parallel systems.This paper discussesvirtual control networks (VCNs), which aresubstitutes for the current dedicated control networks.First we introduce a new mechanism called VirtualControl Channel (VCC) used to conduct informationover data network links.The network nodeshave control finite state machines (CFSMs) and aVCN is composed of CFSMs.The VCC performs therole of a connection wire between CFSMs.The mechanismsare applied to the RWC-1 machine.The simulationresults reveal that reduction and broadcastingoperations are efficiently executed on VCNs by exploitingthe tree structure.