Abstract
This study presents simulation studies on the execution time and energy consumption of optical multi-socket boards with on-chip, all-to-all, and contention-less arrayed waveguide grating routers-based interconnection. This study considers throughput and energy-efficiency optimizations based on dynamic voltage and frequency scaling under realistic, shared memory, and cache-coherent PARSEC benchmarking traffic. The benchmark results show how a low-latency, optical inter-socket interconnection can provide significant execution time reduction, and up to 3× energy savings when using dynamic variable bandwidth communication techniques when compared to an electronic baseline. The proposed architecture can be used as “building block” for future energy-aware large-scale systems.
© 2015 IEEE
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