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English(EN) Geometry-Preserving Orthonormal Initialization for Low-Rank Adaptation in RLVR

新的正交初始化方法提高了RLVR训练稳定性

研究人员开发了一种新的方法,用于在具有可验证奖励的强化学习(RLVR)中初始化低秩适应(LoRA)矩阵。这种称为几何保持正交初始化(geometry-preserving orthonormal initialization)的方法旨在与标准LoRA以及PiSSA和MiLoRA等其他变体相比,提高训练稳定性和性能,这些变体在RLVR设置中可能表现不佳或不稳定。所提出的方法导致了新的RLPO和RLMO变体,得到了理论分析的支持,并通过在数学推理基准上的实验得到证明,显示出增强的稳定性和优越的结果。 AI

影响 这项研究可能导致对大型语言模型进行更稳定、更有效的微调,以用于强化学习任务。

排序理由 该集群包含一篇详细介绍微调大型语言模型新方法的学术论文。

在 arXiv cs.AI 阅读 →

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新的正交初始化方法提高了RLVR训练稳定性

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报道来源 [2]

  1. arXiv cs.AI TIER_1 English(EN) · Ruijia Zhang, Jiacheng Zhu, Hanqing Zhu, Laixi Shi ·

    用于 RLVR 低秩适应的几何保持正交初始化

    arXiv:2606.31813v1 Announce Type: cross Abstract: Low-rank adaptation (LoRA) and its variants enable parameter-efficient fine-tuning of large language models under the supervised fine-tuning (SFT) paradigm. However, their efficacy and behavior under Reinforcement learning with ve…

  2. arXiv cs.AI TIER_1 English(EN) · Laixi Shi ·

    用于强化学习和虚拟现实的低秩适应的保持几何的正则初始化

    Low-rank adaptation (LoRA) and its variants enable parameter-efficient fine-tuning of large language models under the supervised fine-tuning (SFT) paradigm. However, their efficacy and behavior under Reinforcement learning with verifiable rewards (RLVR) are less well understood. …