ADAPTIVE FAULT-TOLERANT TASK SCHEDULING FOR REAL-TIME ENERGY HARVESTING SYSTEMS

被引:6
作者
Zhu, Linjie [1 ]
Wei, Tongquan [1 ]
Chen, Xiaodao [2 ]
Guo, Yonghe [2 ]
Hu, Shiyan [2 ]
机构
[1] E China Normal Univ, Dept Comp Sci & Technol, Shanghai 200241, Peoples R China
[2] Michigan Technol Univ, Dept Elect & Comp Engn, Houghton, MI 49931 USA
关键词
Allocation and scheduling; energy harvesting; fault tolerance; multiprocessor SoCs;
D O I
10.1142/S0218126612500041
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Fault tolerance and energy have become important design issues in multiprocessor system-on-chips (SoCs) with the technology scaling and the proliferation of battery-powered multiprocessor SoCs. This paper proposed an energy-efficient fault tolerance task allocation scheme for multiprocessor SoCs in real-time energy harvesting systems. The proposed fault-tolerance scheme is based on the principle of the primiary/backup task scheduling, and can tolerate at most one single transient fault. Extensive simulated experiment shows that the proposed scheme can save up to 30% energy consumption and reduce the miss ratio to about 8% in the presence of faults.
引用
收藏
页数:16
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