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新的GAPO方法通过调整裁剪边界来改进强化学习

研究人员推出了一种名为Group Adaptive Clipping Policy Optimization (GAPO) 的新方法,旨在通过可验证的奖励来增强强化学习。传统方法使用固定的裁剪边界,这可能不成比例地压制来自困难问题上罕见的正确滚动的宝贵学习信号。GAPO通过根据滚动优势动态调整裁剪边界来解决这个问题,从而为具有更高学习潜力的信号提供更大的更新空间。这种方法与现有的PPO/GSPO代理无缝集成,在Qwen和Llama模型在数学推理和编码任务上的Pass@1和Pass@k指标上均显示出了一致的改进。 AI

影响 这项新的优化技术可能导致强化学习模型的更高效训练,尤其是在数学推理和编码等复杂领域。

排序理由 该集群包含一篇详细介绍强化学习新方法的论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.CL 阅读 →

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新的GAPO方法通过调整裁剪边界来改进强化学习

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该集群包含一篇详细介绍强化学习新方法的论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.CL TIER_1 English(EN) · Sheng Jia, Xiao Wang, Shiva Prasad Kasiviswanathan, Rein Houthooft ·

    组自适应裁剪策略优化

    arXiv:2609.00444v1 Announce Type: cross Abstract: Group relative policy optimization for reinforcement learning with verifiable rewards (RLVR) typically uses a fixed importance-sampling (IS) ratio clipping boundary across all rollouts. We identify a key limitation: rare correct r…