As the artificial intelligence and Internet of Things (AIoT) develop rapidly, the deployment of artificial neural networks in edge computing is becoming significant with great challenge. The binarized convolutional ne...
详细信息
As the artificial intelligence and Internet of Things (AIoT) develop rapidly, the deployment of artificial neural networks in edge computing is becoming significant with great challenge. The binarized convolutional neural network (BCNN) is one of the most widely adopted light-weight ANNs in AIoT, which can achieve the balance of system accuracy and hardware resource consumption, compared to others. To achieve high power and area efficiency in BCNN deployment, many approximate computing (AxC) techniques are integrated to make full use of the resilience of BCNN. As the research focused on the integration of AxC in circuit design, the design of AxC itself is not fully considered when applied to specific applications or domains. Based on circuit-architecture-system co-design, this article proposes an efficient BCNN deployment method, including a quality-circuit co-design method for approximate adder generation, a quality-aware intercompensation approach for addition tree, and a computing quality involved retraining approach for BCNN deployment. Experimental results show that the proposed quality model can achieve 86.43% in average accuracy while evaluating nine types of typical approximate adders. The proposed method is conducted on the applications of keyword spotting of GSCD, MNIST, and CIFAR-10, and we can further rise the approximation degree by 50%-75%, while reducing the accuracy by less than 1%.
As the artificial intelligence and Internet of Things (AIoT) develop rapidly, the deployment of artificial neural networks in edge computing is becoming significant with great challenge. The binarized convolutional ne...
详细信息
As the artificial intelligence and Internet of Things (AIoT) develop rapidly, the deployment of artificial neural networks in edge computing is becoming significant with great challenge. The binarized convolutional neural network (BCNN) is one of the most widely adopted light-weight ANNs in AIoT, which can achieve the balance of system accuracy and hardware resource consumption, compared to others. To achieve high power and area efficiency in BCNN deployment, many approximate computing (AxC) techniques are integrated to make full use of the resilience of BCNN. As the research focused on the integration of AxC in circuit design, the design of AxC itself is not fully considered when applied to specific applications or domains. Based on circuit-architecture-system co-design, this article proposes an efficient BCNN deployment method, including a quality-circuit co-design method for approximate adder generation, a quality-aware intercompensation approach for addition tree, and a computing quality involved retraining approach for BCNN deployment. Experimental results show that the proposed quality model can achieve 86.43% in average accuracy while evaluating nine types of typical approximate adders. The proposed method is conducted on the applications of keyword spotting of GSCD, MNIST, and CIFAR-10, and we can further rise the approximation degree by 50%-75%, while reducing the accuracy by less than 1%.
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