Author

Peng-Yu Xue

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Preprint Aug 2026

CausalRepair: Bridging the Causality Gap in Large Language Model-Based Automated Program Repair via Dual-Slicing

CausalRepair is proposed, a conversation-driven APR framework based on minimal causal context, i.e., the essential dependencies required to explain a failure, outperforming state-of-the-art approaches such as ReinFix and TSAPR, while reducing the average repair cost to $0.029 per bug.

Linhao Wu, Yizhou Chen, Zhenyu Yang et al. · 0 citations

Preprint Jul 2026

SWE-NFI: Studying and Benchmarking Coding Agents for Non-Functional Improvements

This paper operationalizes developer-oriented NFIs into 92 executable rules and develops a comprehensive evaluation suite that combines functional correctness testing with rule-based NFI evaluation, and evaluates state-of-the-art commercial and open-source coding agents.

Pengyu Xue, Hengchen Yuan, Xin Wang et al. · 0 citations