Abstract
The next milestone objective of HPC is exascale computing, which includes millions of nodes in the system. One of the key critical barrier toward realizing exascale computing is the fundamental challenge of communication networks. We propose a high performance optical interconnect architecture based on Arrayed waveguide grating router (AWGR) with WDM wavelength routing, the inherent parallelism in AWGRs and multi-hop switching provide high scalability of the network. Theoretical analysis and simulation show its better performance compared with fat-tree architecture.
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Acknowledgements
The authors would like to thank the anonymous reviewers for the feedback and revision suggestions. Then, we would thank China 863 Program (2015AA015302) and NSFC (61572509) for providing the assistance to make this research possible.
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Xu, S., Zhang, L., Li, Z. (2016). An AWGR-Based High Performance Optical Interconnect Architecture for Exascale Systems. In: Xu, W., Xiao, L., Li, J., Zhang, C., Zhu, Z. (eds) Computer Engineering and Technology. NCCET 2016. Communications in Computer and Information Science, vol 666. Springer, Singapore. https://doi.org/10.1007/978-981-10-3159-5_15
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DOI: https://doi.org/10.1007/978-981-10-3159-5_15
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