Energy-efficient adaptive wireless NoCs architecture
NOCS(2013)
摘要
With the increasing number of cores in chip multiprocessors, the design of an efficient communication fabric is essential to satisfy the bandwidth and energy requirements of multi-core systems. Scalable Network-on-Chip (NoC) designs are quickly becoming the standard communication framework to replace bus-based networks. However, the conventional metallic interconnects for inter-core communication consume excess energy and lower throughput which are major bottlenecks in NoC architectures. On-chip wireless interconnects can alleviate the power and bandwidth problems of traditional metallic NoCs. In this paper, we propose an adaptable wireless Network-on-Chip architecture (A-WiNoC) that uses adaptable and energy efficient wireless transceivers to improve network power and throughput by adapting channels according to traffic patterns. Our adaptable algorithm uses link utilization statistics to re-allocate wireless channels and a token sharing scheme to fully utilize the wireless bandwidth efficiently. We compare our proposed A-WiNoC to both wireless/electrical topologies with results showing a throughput improvement of 65%, a speedup between 1.4-2.6X on real benchmarks, and an energy savings of 25-35%.
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关键词
chip multiprocessor,network-on-chip design,integrated circuit interconnections,on-chip wireless interconnect,microprocessor chips,metallic interconnect,noc design,wireless transceiver,adaptive wireless noc architecture,channel allocation,integrated circuit design,a-winoc,communication fabric,link utilization statistics,intercore communication,multicore system,token sharing scheme,energy efficiency,network-on-chip,wireless channel reallocation,wireless communication,market research,transceivers,cmos integrated circuits,network on chip,bandwidth,transmitters
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