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104. RMC_NoC: A Reliable On-Chip Network Architecture With Reconfigurable Multifunctional Channel

Author

Xu, Dongyu, Ouyang, Yiming, Zhou, Wu, Huang, Zhengfeng, Liang, Huaguo, and Wen, Xiaoqing

Abstract

As chip fabrication has advanced to the nano level, the increased link density has heightened the risk of failures. The potential performance drawbacks resulting from these link failures have become a critical challenge in the design of reliable network-on-chip (NoC) systems. Fault-tolerant routing algorithms have proven to be effective strategies for handling this issue by diverting packets away from failed links to prevent congestion. However, these algorithms often result in excessive packet diversion, especially in the presence of a higher failure rate, which can significantly constrain the network’s behavior. This article introduces a novel NoC design with reconfigurable multifunctional channels (RMC_NoC). This design dynamically adapts the channel functions in response to network conditions to ensure that packets from failed links follow their original paths. In addition, it presents a channel buffer bubble flow control mechanism that can resolve congestion by redistributing congested traffic within the channel buffer. The evaluation results demonstrate that our approach ensures superior network communication even in the presence of permanent link failures, with minimal area overhead and power consumption. Moreover, our system exhibits lower latency and higher throughput compared to state-of-the-art fault-tolerant methods across various link failure rates. Notably, even at a severe failure rate of 30%, RMC_NoC exhibits only a 16.3% increase in latency compared to an ideal failure-free environment (Baseline) while still maintaining system communication capabilities to a considerable extent.

Published
2023
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127. Additional file 1 of Tailoring conductive inverse opal films with anisotropic elliptical porous patterns for nerve cell orientation

Author

Zhang, Zeyou, Wang, Yu, Chen, Zhuoyue, Xu, Dongyu, Zhang, Dagan, Wang, Fengyuan, and Zhao, Yuanjin

Abstract

Additional file 1: Figure S1. SEM images of (a) the silica colloidal crystal template, (b) the PS hybrid colloidal crystal template, (c) the PS inverse opal film. Scale bars are 500 nm. Figure S2. Different stretching degrees. (a) 3-times, (b) 6-times, (c) 9-times, (d) 12-times stretched PS inverse opal films. Scale bars are 1 ��m. Figure S3. (a) MTT assays and (b) adhesion properties of PC12 cells cultured on ordinary glass slides, PS substrates stretched at 0��, 15��, 30��, 45�� for 1 day, 2 days, and 3 days, respectively. Error bars represent SD. Figure S4. (a) Immunofluorescence image, (b) SEM image, (c) angle distribution of neurites of PC12 cells cultured on ordinary glass slides. Scale bars are 50 ��m. Figure S5. Orientation angle frequency distribution of PC12 cells cultured on PS inverse opal films stretched at different angles. �� or ����� means the angle between the direction of neurite (the red dotted line) and the stretching orientation (the black solid line), respectively. Figure S6. Raman spectrum of PEDOT:PSS-doped PAAm hydrogels. Figure S7. (a) MTT assays and (b) adhesion properties of PC12 cells cultured on ordinary glass slides, PS inverse opal films, composite films for 1 day, 2 days, and 3 days, respectively. Error bars represent SD. Figure S8. (a) Differentiation rates of PC12 cells cultured on ordinary glass slides, PS inverse opal films and composite films on the 7th day. (b) Orientation angle frequency distribution of PC12 cells on PS inverse opal films and composite films.

Published
2022
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