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Tse-Hsun Chen

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Jul 2026

Retrieval-Oriented Code Representations in Agentic Bug Localization

This work finds that the choice of code representation affects both localization effectiveness and cost, and suggests that code representation should be treated as a first-class design choice in agentic localization pipelines, guided by pipeline stage and cost-accuracy requirements.

Genevieve Caumartin, Tse-Hsun Chen, Diego Elias Costa · 0 citations
Jul 2026

Rethinking Code Performance Benchmarks for LLMs

An LLM-based multi-agent framework to generate performance-oriented tests that expose runtime differences more effectively than the original tests is proposed, which uses three separate agents to generate, diagnose, and repair deterministic tests that preserve functional correctness while better exposing performance di...

Nhat Minh Lê, Yisen Xu, Zhijie Wang et al. · 0 citations

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