The Odd-Even Turn Model for Adaptive Routing
IEEE Transactions on Parallel and Distributed Systems
Route packets, not wires: on-chip inteconnection networks
Proceedings of the 38th annual Design Automation Conference
IEEE Transactions on Parallel and Distributed Systems
Principles and Practices of Interconnection Networks
Principles and Practices of Interconnection Networks
Load Distribution with the Proximity Congestion Awareness in a Network on Chip
DATE '03 Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
A low latency router supporting adaptivity for on-chip interconnects
Proceedings of the 42nd annual Design Automation Conference
Predictive technology model for nano-CMOS design exploration
ACM Journal on Emerging Technologies in Computing Systems (JETC)
Implementation and Analysis of a New Selection Strategy for Adaptive Routing in Networks-on-Chip
IEEE Transactions on Computers
Path-based, randomized, oblivious, minimal routing
Proceedings of the 2nd International Workshop on Network on Chip Architectures
ORION 2.0: a fast and accurate NoC power and area model for early-stage design space exploration
Proceedings of the Conference on Design, Automation and Test in Europe
A framework for designing congestion-aware deterministic routing
Proceedings of the Third International Workshop on Network on Chip Architectures
BOFAR: buffer occupancy factor based adaptive router for mesh NoCs
Proceedings of the 4th International Workshop on Network on Chip Architectures
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The effectiveness of an adaptive router in a Network on Chip (NoC) is evaluated by the selection metric it uses and its impact on overall performance. In this paper, we propose a flit flow history based load balancing selection strategy that can be used in any adaptive routers for output port selection. Using this selection strategy, we propose an adaptive router TRACKER, that keeps track of flow of flits through all its ports and updates this tracked information to its neighbors in a cost effective manner. Routers make use of these flit flow estimates to compute a novel selection metric for output port selection of incoming flits. TRACKER outperforms the baseline adaptive router architectures using odd-even routing model with conventional selection metrics like count of free virtual channels, count of fluid buffers and buffer occupancy time at reachable downstream neighbors.