ORB: An On-chip Optical Ring Bus Communication Architecture for Multi-Processor Systems-on-Chip

Provided by: Institute of Electrical & Electronic Engineers
Topic: Hardware
Format: PDF
As application complexity continues to increase, Multi-Processor Systems-on-Chip (MPSoC) with tens to hundreds of processing cores are becoming the norm. While computational cores have become faster with each successive technology generation, communication between them has become a bottleneck that limits overall chip performance. On-chip optical interconnects can overcome this bottleneck by replacing electrical wires with optical waveguides. In this paper, the authors propose an Optical Ring Bus (ORB) based on-chip communication architecture for next generation MPSoCs.

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