A novel torus-based optical networks-on-chip exploiting double path communication algorithm

Li Dai; Ye Su; Yiyuan Xie

doi:10.1117/12.2674780

2 May 2023 A novel torus-based optical networks-on-chip exploiting double path communication algorithm

Li Dai, Ye Su, Yiyuan Xie

Proceedings Volume 12642, Second International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2023); 126420N (2023) https://doi.org/10.1117/12.2674780
Event: Second International Conference on Electronic Information Engineering, Big Data and Computer Technology (EIBDCT 2023), 2023, Xishuangbanna, China

Abstract

Optical networks-on-chip (ONoCs) using optical media to interconnect cores, have the advantages of high bandwidth, low power consumption and low latency. At present, mesh, torus and fat-tree are the most widely used topologies in ONoCs. Torus structure has the advantages of higher connectivity due to its annular structure. However, the traditional torus structure still has the problem of high end-to-end (ETE) delay. This paper proposes a new double-path ONoCs based on torus topology, named DPtorus. The DPtorus consists of two layers: one layer is a torus network divided into unit clusters, the other layer is an all-pass optical router. The dual-layer network is connected with each other by optical vias, so that there are two communication pathes between the source node and the target node in the network can be selected. The One is inter-cluster communication and the other is non-cluster communication. According to the comparison of the number of hop of the two communication paths, the communication path with fewer hops between the nodes is preferably selected to reduce the communication cost of the data packet. The network simulation results show that the DPtorus reduces latency and improves throughput compared to the torus network, resulting in better performance and enhanced reliability of network communications for the DPtorus.

Citation Download Citation

Li Dai, Ye Su, and Yiyuan Xie "A novel torus-based optical networks-on-chip exploiting double path communication algorithm", Proc. SPIE 12642, Second International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2023), 126420N (2 May 2023); https://doi.org/10.1117/12.2674780

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KEYWORDS

Optical communications

Optical networks

Optical transmission

Waveguides

Network architectures

Optical components

Power consumption

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