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Title: A novel low-waveguide-crossing floorplan for fat tree based optical networks-on-chip
Authors: Wang, Zhehui
Xu, Jiang
Wu, Xiaowen
Ye, Yaoyao
Zhang, Wei
Liu, Weichen
Nikdast, Mahdi
Wang, Xuan
Wang, Zhe
Keywords: DRNTU::Engineering::Computer science and engineering
Issue Date: 2012
Source: Wang, Z., Xu, J., Wu, X., Ye, Y., Zhang, W., Liu, W., et al. (2012). A novel low-waveguide-crossing floorplan for fat tree based optical networks-on-chip. 2012 Optical Interconnects Conference.
Abstract: Optical network-on-chip (ONoC) can be used as the communication backbone for high performance chip multiprocessors (CMPs). Fat tree based ONoC shows high throughput, small delay and low power consumption. However, the traditional floorplan design of fat tree based ONoC has a large number of waveguide crossings because of the fat tree topology. In this paper, we present an optimized floorplan with the least number of waveguide crossings that has been reported. The average number of waveguide crossings per optical path in the optimized floorplan is 87% less than that in traditional floorplan for a 64-core CMP. We also find the optimal aspect ratio of cores to minimize the end-to-end delay. These work could help to ease the physical implementation of fat tree based ONoC for CMP.
DOI: 10.1109/OIC.2012.6224427
Rights: © 2012 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCSE Conference Papers

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