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新的SAZO方法通过自适应样本选择加速LLM微调

研究人员推出了一种名为样本自适应零阶优化(SAZO)的新型方法,用于微调大型语言模型,该方法改进了现有的零阶(ZO)优化技术。与对训练样本进行均匀采样的传统ZO方法不同,SAZO在线自适应地学习样本重要性,将更多查询分配给关键样本以加速收敛。该方法提取梯度范数信息来估计样本重要性,而无需真实梯度,并维护每个样本的移动平均值以跟踪不断变化的样本重要性。实验表明,SAZO在各种模型家族中实现了更快的收敛速度和更优的下游性能。 AI

影响 SAZO的自适应采样可以显著降低微调LLM所需的计算成本和时间,从而使更高级的模型定制更加易于实现。

排序理由 该集群描述了在arXiv上的一篇学术论文中提出的一种新方法。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的SAZO方法通过自适应样本选择加速LLM微调

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该集群描述了在arXiv上的一篇学术论文中提出的一种新方法。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Haiyuan Wan, Yanyi Li, Weicheng Lin, Cong Fang ·

    样本自适应零阶后训练

    arXiv:2610.12566v1 Announce Type: new Abstract: Zeroth-order (ZO) optimization offers a memory-efficient alternative to backpropagation for fine-tuning large language models. However, existing ZO methods typically sample training examples uniformly, overlooking their evolving imp…