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English(EN) Turning Off-Policy Tokens On-Policy: A Plug-in Approach for Improving LLM Alignment

新的选择性重要性采样方法改进了 LLM 对齐

研究人员推出了一种名为选择性重要性采样 (SIS) 的新型即插即用方法,旨在改进大型语言模型 (LLM) 在强化学习后训练期间的对齐。该方法通过将接受的令牌视为同策略来解决离策略训练数据的问题,从而简化了重要性校正过程。SIS 在理论上被证明可以减小梯度估计器差距,并且计算开销极小,使其能够与各种 RL 后训练算法兼容。实验表明,SIS 在不同 LLM 架构和基准测试中始终能改进目标并增强鲁棒性。 AI

影响 这项新的采样技术可能带来更强大、对齐效果更好的 LLM,从而可能提高需要复杂推理和决策的任务的性能。

排序理由 该集群包含一篇详细介绍改进 LLM 对齐新方法的 ist 研究论文。

在 arXiv cs.CL 阅读 →

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新的选择性重要性采样方法改进了 LLM 对齐

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报道来源 [3]

  1. arXiv cs.AI TIER_1 English(EN) · Yu Li, Xiuyu Li, Mingyang Yi, Jiaxing Wang, zhangliangxu, Zhaolong Xing, Zhen Chen ·

    将离策略Token转为在策略Token:一种改进LLM对齐的即插即用方法

    arXiv:2607.04728v1 Announce Type: cross Abstract: Reinforcement learning (RL) post-training for large language models (LLMs) follows a efficient paradigm of "rollout then update", which inevitably results in off-policy training data. To resolve this, Importance sampling (IS) is p…

  2. arXiv cs.CL TIER_1 English(EN) · Zhen Chen ·

    将离策略令牌转为在策略:一种改进 LLM 对齐的即插即用方法

    Reinforcement learning (RL) post-training for large language models (LLMs) follows a efficient paradigm of "rollout then update", which inevitably results in off-policy training data. To resolve this, Importance sampling (IS) is proposed, while the token-level ratios compound ove…

  3. Hugging Face Daily Papers TIER_1 English(EN) ·

    将离策略令牌转为在策略:一种改进 LLM 对齐的即插即用方法

    Reinforcement learning (RL) post-training for large language models (LLMs) follows a efficient paradigm of "rollout then update", which inevitably results in off-policy training data. To resolve this, Importance sampling (IS) is proposed, while the token-level ratios compound ove…