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English(EN) Curvature-Weighted Gradient Diversity: A Noise Measure for Geometry-Adaptive SGD Schedules

新的 CWGD 方法改进了深度学习的优化噪声测量

研究人员开发了一种名为曲率加权梯度多样性 (CWGD) 的新方法,以更好地测量深度学习模型中的优化噪声。与传统上同等对待所有参数方向的方法不同,CWGD 考虑了高曲率方向的噪声影响较小的这一事实。通过用 Hessian 的平方根的倒数来加权梯度多样性,CWGD 为有效的优化噪声提供了更准确的代理。与标准的余弦退火相比,CWGD 调制的余弦学习率计划 CWGD-Cosine 已显示出将最终优化误差降低高达 20% 的潜力,而开销可忽略不计。 AI

影响 这项研究可能通过改进优化计划来提高深度学习模型的训练效率。

排序理由 该集群包含一篇详细介绍机器学习优化新方法的学术论文。

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新的 CWGD 方法改进了深度学习的优化噪声测量

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报道来源 [2]

  1. arXiv stat.ML TIER_1 English(EN) · Muhammad Hamza (Indian Institute of Technology Kharagpur), Ayush Goel (Indian Institute of Technology Kharagpur) ·

    曲率加权梯度多样性:一种用于几何自适应 SGD 调度的噪声度量

    arXiv:2606.30455v1 Announce Type: cross Abstract: The standard convergence analysis of mini-batch stochastic gradient descent (SGD) models gradient noise using a single variance term that treats all parameter directions equally, ignoring the fact that noise in high-curvature dire…

  2. arXiv stat.ML TIER_1 English(EN) · Ayush Goel ·

    曲率加权梯度多样性:一种用于几何自适应 SGD 调度器的噪声度量

    The standard convergence analysis of mini-batch stochastic gradient descent (SGD) models gradient noise using a single variance term that treats all parameter directions equally, ignoring the fact that noise in high-curvature directions has less impact because learning rates are …