基于cnn的有效测试终止预测数据模型协同设计

Hongfei Wang, Zhanfei Wu, Wei Liu
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引用次数: 0

摘要

故障诊断是一个基于软件的数据驱动过程。收集过多的故障数据不仅会增加总体测试成本,还可能导致诊断分辨率的降低。因此提出了测试终止预测,以动态地确定哪一种失败的测试模式来终止测试,从而产生足够的测试数据以进行准确的诊断分析。在这项工作中,我们描述了一种新的数据模型协同设计方法,该方法使用深度学习方法进行有效的测试终止预测。特别地,描述失败测试响应的映像是从失败日志文件构建的。然后,基于图像和已知诊断结果,训练嵌入残差块的多层卷积神经网络(CNN)。学习到的CNN模型随后部署在测试流程中,以确定最佳测试终止,以实现高效和高质量的诊断。在实际故障芯片和标准基准测试上的实验表明,该方法优于SOTA方法。我们的方法为利用深度学习的力量来提高诊断效率和质量创造了机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
CNN-based Data-Model Co-Design for Efficient Test-termination Prediction
Failure diagnosis is a software-based data-driven procedure. Collecting an excessive amount of fail data not only increases the overall test cost, but may also lead to degradation of diagnostic resolution. Test-termination prediction is thus proposed to dynamically determine which failing test pattern to terminate testing, producing an amount of test data that is sufficient for an accurate diagnosis analysis. In this work, we describe a novel data-model co-design method of using deep learning method for efficient test-termination prediction. In particular, images describing the failing test responses are constructed from failure-log files. A multi-layer convolutional neural network (CNN) embedding a residual block is then trained, based on the images and known diagnosis results. The learned CNN model is later deployed in a test flow to determine the optimal test-termination for an efficient and quality diagnosis. Experiments on actual failing chips and standard benchmarks demonstrate that the proposed method outperforms SOTA works. Our method creates opportunities to harness the power of deep learning for improving diagnostic efficiency and quality.
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