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English(EN) Convergence of Sign-based Random Reshuffling Algorithms for Nonconvex Optimization

新研究分析基于符号的优化算法的收敛性

一篇新的研究论文探讨了非凸优化的基于符号的随机重排算法的收敛性质。该研究分析了SignRR算法,它是signSGD的一个变体,在重排后顺序处理数据,并证明这种重排并不能完全纠正丢弃梯度幅度所引入的偏差。该论文为SignRR提供了有限时间界,并提出了SignRVR,一种方差缩减的替代方案,它提供了改进的平稳性界。 AI

影响 这项研究有助于加深对机器学习中使用的优化算法的理论理解,可能带来更高效的AI模型训练。

排序理由 该集群包含一篇详细介绍新算法及其收敛性质的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv stat.ML 阅读 →

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新研究分析基于符号的优化算法的收敛性

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该集群包含一篇详细介绍新算法及其收敛性质的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv stat.ML TIER_1 English(EN) · Zhen Qin, Zhishuai Liu, Pan Xu ·

    基于符号的随机重排算法在非凸优化中的收敛性

    arXiv:2310.15976v4 Announce Type: replace-cross Abstract: signSGD is attractive in nonconvex optimization because it communicates sign-valued rather than full-precision gradients. Several standard analyses assume independent stochastic-gradient samples, whereas a common finite-su…