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Aware First, Think Less: Dynamic Boundary Self-Awareness Drives Extreme Reasoning Efficiency in Large Language Models

Created by
  • Haebom

Author

Qiguang Chen, Dengyun Peng, Jinhao Liu, HuiKang Su, Jiannan Guan, Libo Qin, Wanxiang Che

Outline

This paper presents the Dynamic Reasoning-Boundary Self-Awareness Framework (DR. SAF) to address the efficiency challenges of large-scale language models (LLMs) that benefit from long chains of thought (CoTs) in complex reasoning tasks. DR. SAF integrates three core components: Boundary Self-Awareness Alignment, Adaptive Reward Management, and a Boundary Preservation Mechanism, enabling the model to dynamically assess and adjust its inference depth based on the complexity of the problem. Experimental results show that DR. SAF reduces the number of response tokens by 49.27%, improves token efficiency by 6.59x, and shortens training time by 5x, all while minimizing accuracy degradation. Notably, under extreme training conditions, it improves token efficiency by over 16% and achieves higher accuracy than conventional instruction-based models.

Takeaways, Limitations

Takeaways:
A novel framework is presented that can significantly improve the inference efficiency of LLM.
Expanding the Use of LLM in Resource-Constrained Environments
Solving the problem of excessive computational cost and delay of the existing CoT method, Limitations
Achieving a balance between efficiency and accuracy by leveraging the model's self-awareness capabilities.
Limitations:
DR. SAF's performance is based on experimental results for specific datasets and models, so its generalization performance in other environments requires further research.
This paper lacks a detailed description of the implementation details of Boundary Self-Awareness Alignment, Adaptive Reward Management, and Boundary Preservation Mechanism.
Performance improvements in extreme training environments may have been observed only under specific conditions, and the same effects may not be guaranteed under normal circumstances.
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