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Networks-on-Chip (NoCs) are promising fabrics to provide scalable and efficient on-chip communication for large-scale many-core systems. In place of the well-studied synchronous NoCs, the event-driven asynchronous ones have emerged as promising replacement thanks to their strong timing robustness especially when implemented in quasi-delay-insensitive (QDI) circuits. However, their fault tolerance...
Maximizing bandwidth utilization of optical onchip interconnects is essential to compensate for static power overheads in optical networks-on-chip. Shared optical buses were shown to be a power-efficient, modular design solution with tremendous power saving potential by allowing optical bandwidth to be shared by all connected nodes. Previous proposals resolve bus contention by scheduling senders sequentially...
Optical on-chip communication is considered a promising candidate to overcome latency and energy bottlenecks of electrical interconnects. Although recently proposed hybrid Networks-on-chip (NoCs), which implement both electrical and optical links, improve power efficiency, they often fail to combine these two interconnect technologies efficiently and suffer from considerable laser power overheads...
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