Title
Aging-Aware Lifetime Enhancement For Memristor-Based Neuromorphic Computing
Abstract
Memristor-based crossbars have been applied successfully to accelerate vector-matrix computations in deep neural networks. During the training process of neural networks, the conductances of the memristors in the crossbars must be updated repetitively. However, memristors can only be programmed reliably for a given number of times. Afterwards, the working ranges of the memristors deviate from the fresh state. As a result, the weights of the corresponding neural networks cannot be implemented correctly and the classification accuracy drops significantly. This phenomenon is called aging, and it limits the lifetime of memristor-based crossbars. In this paper, we propose a co-optimization framework combining software training and hardware mapping to reduce the aging effect. Experimental results demonstrate that the proposed framework can extend the lifetime of such crossbars up to 11 times, while the expected accuracy of classification is maintained.
Year
DOI
Venue
2019
10.23919/DATE.2019.8714954
2019 DESIGN, AUTOMATION & TEST IN EUROPE CONFERENCE & EXHIBITION (DATE)
Field
DocType
ISSN
Computer architecture,Memristor,Computer science,Parallel computing,Neuromorphic engineering
Conference
1530-1591
Citations 
PageRank 
References 
3
0.43
0
Authors
5
Name
Order
Citations
PageRank
Shuhang Zhang172.24
Grace Li Zhang2133.68
Bing Li317233.77
Hai Li42435208.37
Ulf Schlichtmann510921.56