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新的Li$^{2}$SAO方法提高了LLM训练效率

研究人员推出了一种新颖的异步强化学习优化方法Li$^{2}$SAO,旨在提高大型语言模型(LLM)的训练效率。该新方法解决了现有方法(如GRPO和SAO)的局限性,特别是在价值模型尚未充分发展起来的训练早期阶段。Li$^{2}$SAO利用组相对Actor-Critic引导来有效训练Actor和Critic,即使在Critic“冷启动”的情况下也能实现,然后在后期阶段过渡到单Rollout GAE。实验表明,Li$^{2}$SAO在早期训练中能达到或超过GRPO的性能,并在后期阶段实现更高的性能上限,尤其是在agentic任务上。 AI

影响 这种新方法可以提高大型语言模型(LLM)的训练效率和性能,尤其是在agentic任务方面。

排序理由 这是一篇详细介绍LLM强化学习优化新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

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新的Li$^{2}$SAO方法提高了LLM训练效率

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这是一篇详细介绍LLM强化学习优化新方法的学术论文。[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) · Zichen Bai, Yanli Wang, Yang Liu, Junhao Shi, Xueqin Liu, Jinguo Sun, Muye Li, Shaoqiang Zheng, Xuefei Diao, Zhuwei Zeng, Nan Duan, Peng Cao ·

    Li$^{2}$SAO: Lifting Light Singl-Rollout Asynchronous RL Optimization via Group-Relative Actor-Critic Bootstrapping

    arXiv:2610.40726v1 Announce Type: new Abstract: Asynchronous reinforcement learning (RL) is becoming a mainstream paradigm for post-training large language models (LLMs), as it improves training efficiency by updating the model as rollouts arrive. Recent work argues that group-wi…