Outcome-Refining Process Supervision: Advancing Code Generation with Structured Reasoning and Execution Feedback

Outcome-Refining Process Supervision: Advancing Code Generation with Structured Reasoning and Execution Feedback

Understanding the Challenges in Code Generation

Large Language Models (LLMs) are great at generating code but face difficulties with complex programming tasks that require deep reasoning and intricate logic. Traditional methods that supervise outcomes are limited in solving these issues. A new approach called Process Reward Models (PRMs) focuses on the reasoning steps but needs a lot of annotated data and can be inaccurate.

Introducing Outcome-Refining Process Supervision (ORPS)

Researchers from Peking University and Microsoft Research have developed a new framework called Outcome-Refining Process Supervision (ORPS). This innovative method supervises the reasoning process by refining outcomes. Unlike traditional methods, ORPS uses a tree-structured exploration that allows for multiple reasoning paths at the same time, providing various solution strategies when initial attempts do not succeed.

Key Benefits of ORPS

  • Improved Performance: ORPS shows a 26.9% increase in correctness and a 42.2% boost in efficiency across multiple models and datasets.
  • Eliminates Need for Extensive Training Data: It uses execution feedback as objective verification, reducing reliance on costly annotated data.
  • Reduces Hallucination Risks: A self-critic mechanism refines solutions by analyzing reasoning and performance metrics, enhancing success rates.

Evaluation of the Framework

The ORPS framework was tested on three datasets: LBPP, HumanEval, and MBPP, focusing on its effectiveness and the contributions of its components. The results indicate significant improvements in correctness and code quality, especially in complex benchmarks.

Conclusion

ORPS represents a significant advancement in code generation by combining structured reasoning with execution-driven feedback. Its tree-structured exploration allows for diverse solution paths, leading to substantial gains in performance and efficiency. This approach highlights the importance of structured reasoning and concrete feedback in tackling complex programming tasks, offering a cost-effective solution for enhancing computational intelligence.

Explore Further

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