Abstract
In wireless on-chip network, the reliability of data packet transmission in the link faces great challenges due to crosstalk between lines, noise and transient faults, which seriously affects the overall performance of the network. Therefore, fault tolerance becomes critical in link design. In addition, the traditional fault-tolerant solution based on the error recovery strategy brings a lot of retransmission overhead under high failure rate. Hence, in this paper we propose a new fault-tolerant scheme based on DVFS error avoidance strategy, which dynamically adjusts the voltage and frequency in the network based on the real-time status of the network, thereby reducing the occurrence of faults. Experiments indicate that compared with the traditional fault-tolerant scheme based on error recovery strategy, this paper achieves a huge performance improvement with less power consumption and area overhead.
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