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English(EN) A Single-Loop, Constant-Batch First-Order Penalty Method for Stochastic Bilevel Optimization

新的SICO方法在双层优化中实现了O(epsilon^{-6})样本复杂度

研究人员开发了一种新颖的随机单循环恒定批次一阶惩罚方法,称为SICO,以解决随机双层优化中的挑战。该方法通过采用投影来控制迭代分离,并使用指数移动平均来稳定上层梯度估计器,从而仅用每次迭代O(1)的随机梯度样本实现了O(epsilon^{-6})的样本复杂度。此外,在附加的均方平滑假设下,SICO将复杂度提高到O(epsilon^{-4}),同时保持恒定的批次大小,解决了该领域的一个开放性问题。 AI

影响 这项研究推进了与训练复杂AI模型相关的优化技术。

排序理由 该集群包含一篇详细介绍新优化方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的SICO方法在双层优化中实现了O(epsilon^{-6})样本复杂度

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该集群包含一篇详细介绍新优化方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Xingyu Chen, Ming Yang, Quanqi Hu, Tianbao Yang ·

    一种用于随机双层优化的单循环、恒定批次的一阶惩罚方法

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