Optical Network-on-Chip (ONoC) is an emerging chip-level optical interconnection technology to realise high-performance and power-efficient inter-core communication for many-core processors. Multicast, in which packets are sent from a single sender to multiple receivers simultaneously, is one of the most important inter-core communication primitives. While many studies have been conducted on designing ONoC architectures and routing schemes to support multicast communication, most of the existing solutions adopt the methods that were initially designed for electrical interconnects. These solutions can neither fully take advantage of optical communication nor address the special requirements of an ONoC. Moreover, most of them focus only on the optimisation of a single multicast, which limits the practical applications because real systems often have to handle multiple multicasts requested from various applications.
In this talk, I will present my recent work on developing high-performance communication scheme for multiple multicasts by taking into account the unique characteristics and constraints of an ONoC.
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