1、Zhidan Zheng,You-Jen Chang,Liaoyuan Cheng,Tsun-Ming Tseng,Ulf SchlichtmannChair of Electronic Design AutomationTechnical University of MunichA Backup Resource Customization and Allocation Method for Wavelength-Routed Optical Networks-on-Chip TopologiesOutline Motivation Related Works Our Method Expe
2、rimental Results Conclusion2Outline Motivation Introduction to wavelength-routed optical networks-on-chip(WRONoCs)Reliability concerns in WRONoCs Related Works Our Method Experimental Results Conclusion3Motivation4Evolution from single-to many-core computing systemFigure source:T.Alexoudi et al.,“Op
3、tics in Computing:from Photonic Network-on-Chip to Chip-to-Chip Interconnects and Disintegrated Architectures,”In IEEE JLT 2018.Challenges of on-chip communi-cation High communication throughput Low communication latency High power efficiency Demand for developing advanced interconnect technologiesI
4、ntroduction to WRONoCs5WRONoC emerges as a promising option for advanced interconnect technologies for critical advantages:1 S.Van Winkle et al.,Extending the Power-Efficiency and Performance of Photonic Interconnects for Heterogeneous Multicores with Machine Learning,2018 IEEE HPCA.2 M.Ortn-Obn et
5、al.,Contrasting Laser Power Requirements of Wavelength-Routed Optical NoC Topologies Subject to the Floorplanning,Placement,and Routing Constraints of a 3-D-Stacked System,in 2017 IEEE TVLSI.High bandwidth communication Multiple optical signals can simultaneously travel along a single waveguide with
6、out affecting each other.Ultra-low propagation latency The propagation speed of optical signals in a waveguide is fast,such as./1.Power-efficient devices The switches,i.e,microring resonator(MRRs),have low power consumption,around./2.No extra arbitration overheadm1s2s1switchKey Components of WRONoCs