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About this paper

Sofia Martinez, Luo Xu, Mariam Elnaggar, Eman Abdullah AlOmar

The authors review 50 primary studies of large language models used for software refactoring, finding that tasks, benchmarks, and success measures vary. Only 22 studies report correctness-focused assessments. In one Java unit-test refactoring study, UTRefactor reduced test smells from 2,375 to 265, compared with 55% elimination for standard LLM-based approaches; this result is specific to that task, not general capability.

Summary by alphaXiv.

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