The Impact of Prompt Programming on Function-Level Code Generation

• URL: http://arxiv.org/abs/2412.20545v1
• Date: Sun, 29 Dec 2024 18:34:10 GMT
• Title: The Impact of Prompt Programming on Function-Level Code Generation
• Authors: Ranim Khojah, Francisco Gomes de Oliveira Neto, Mazen Mohamad, Philipp Leitner,
• Abstract summary: Large Language Models (LLMs) are increasingly used by software engineers for code generation. We introduce CodePromptEval, a dataset of 7072 prompts designed to evaluate five prompt techniques. Our findings show that while certain prompt techniques significantly influence the generated code, combining multiple techniques does not necessarily improve the outcome.
• Score: 3.072802875195726
• License:
• Abstract: Large Language Models (LLMs) are increasingly used by software engineers for code generation. However, limitations of LLMs such as irrelevant or incorrect code have highlighted the need for prompt programming (or prompt engineering) where engineers apply specific prompt techniques (e.g., chain-of-thought or input-output examples) to improve the generated code. Despite this, the impact of different prompt techniques -- and their combinations -- on code generation remains underexplored. In this study, we introduce CodePromptEval, a dataset of 7072 prompts designed to evaluate five prompt techniques (few-shot, persona, chain-of-thought, function signature, list of packages) and their effect on the correctness, similarity, and quality of complete functions generated by three LLMs (GPT-4o, Llama3, and Mistral). Our findings show that while certain prompt techniques significantly influence the generated code, combining multiple techniques does not necessarily improve the outcome. Additionally, we observed a trade-off between correctness and quality when using prompt techniques. Our dataset and replication package enable future research on improving LLM-generated code and evaluating new prompt techniques.

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