Unifying the Perspectives of NLP and Software Engineering: A Survey on Language Models for Code
Abstract: In this work we systematically review the recent advancements in code processing with language models, covering 50+ models, 30+ evaluation tasks, 170+ datasets, and 700+ related works. We break down code processing models into general language models represented by the GPT family and specialized models that are specifically pretrained on code, often with tailored objectives. We discuss the relations and differences between these models, and highlight the historical transition of code modeling from statistical models and RNNs to pretrained Transformers and LLMs, which is exactly the same course that had been taken by NLP. We also discuss code-specific features such as AST, CFG, and unit tests, along with their application in training code language models, and identify key challenges and potential future directions in this domain.
Submission Length: Long submission (more than 12 pages of main content)
Assigned Action Editor: ~Swarat_Chaudhuri1
Submission Number: 2086
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