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High-radix routers with low latency and high bandwidth play an increasingly important role in the design of large-scale interconnection networks such as those used in super-computers and datacenters. The tile-based crossbar approach partitions a single large crossbar into many small tiles and can considerably reduce the complexity of arbitration while providing throughput higher than the conventional...
As the development of processors/SoCs (System-on-Chips), NoC (Network-on-Chip) consumes an increasing fraction of the modern processors/SoCs power. Thus, designing energy-efficient NoC architecture is imperative. Multi-NoC (Multiple Network-on-Chip) behaves well in power gating for reducing leakage power, which constitutes a significant fraction of NoC power. In this paper, we propose CRA, a novel...
Network-on-chip system plays an important role to improve the performance of chip multiprocessor systems. As the complexity of the network increases, congestion problem has become the major performance bottleneck and seriously influence the performance of NoCs. Prior works have focused on designing effective routing algorithm based on collecting contention and congestion information to load balance...
There is a pressing need for high-radix routers in modern HPC (High Performance Computing) interconnects and to build the exascale computers with massive clusters. In this paper, we propose MBL, a high-radix router with a multi-stage bufferless switch Clos network inside. Booksim interconnection network simulator is used to implement our arbitrating designs for the architecture and it runs well under...
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