A Multi-stage Error Diagnosis for APB Transaction

• URL: http://arxiv.org/abs/2509.03554v1
• Date: Wed, 03 Sep 2025 05:07:56 GMT
• Title: A Multi-stage Error Diagnosis for APB Transaction
• Authors: Cheng-Yang Tsai, Tzu-Wei Huang, Jen-Wei Shih, I-Hsiang Wang, Yu-Cheng Lin, Rung-Bin Lin,
• Abstract summary: This study proposes an automated error diagnosis framework using a hierarchical Random Forest-based architecture.<n>The multi-stage error diagnosis employs four pre-trained binary classifiers to sequentially detect Out-of-Range Access, Address Corruption, and Data Corruption errors.<n> Experimental results show an overall accuracy of 91.36%, with near-perfect precision and recall for address errors.
• Score: 7.048835022222235
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Functional verification and debugging are critical bottlenecks in modern System-on-Chip (SoC) design, with manual detection of Advanced Peripheral Bus (APB) transaction errors in large Value Change Dump (VCD) files being inefficient and error-prone. Addressing the 2025 ICCAD Contest Problem D, this study proposes an automated error diagnosis framework using a hierarchical Random Forest-based architecture. The multi-stage error diagnosis employs four pre-trained binary classifiers to sequentially detect Out-of-Range Access, Address Corruption, and Data Corruption errors, prioritizing high-certainty address-related faults before tackling complex data errors to enhance efficiency. Experimental results show an overall accuracy of 91.36%, with near-perfect precision and recall for address errors and robust performance for data errors. Although the final results of the ICCAD 2025 CAD Contest are yet to be announced as of the submission date, our team achieved first place in the beta stage, highlighting the method's competitive strength. This research validates the potential of hierarchical machine learning as a powerful automated tool for hardware debugging in Electronic Design Automation (EDA).

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