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新的优化方法通过并行化和随机缩放提高机器学习效率 · 跟踪 3 个来源

研究人员开发了新的机器学习优化技术,重点是提高二阶方法的效率。第一篇论文介绍了 Split-Client,一种将 Hessian 分解与梯度步骤分离以减少实际运行时间(wall-clock time)的并行方法。第二篇论文提出了 RanSOM,它使用随机缩放来实现约束和无约束优化问题的最优预言复杂度指数。第三篇论文提出了混合动量随机 Frank-Wolfe 方法,用于随机组合优化,为非凸目标和重尾噪声提供了改进的收敛速度。 AI

影响 这些优化技术的进步可能导致更大规模机器学习模型的更有效训练。

排序理由 该集群包含三篇在 arXiv 上发表的学术论文,详细介绍了机器学习的新优化算法。

在 arXiv cs.LG 阅读 →

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新的优化方法通过并行化和随机缩放提高机器学习效率 · 跟踪 3 个来源

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该集群包含三篇在 arXiv 上发表的学术论文,详细介绍了机器学习的新优化算法。
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报道来源 [3]

  1. arXiv cs.LG TIER_1 English(EN) · El Mahdi Chayti, Martin Jaggi ·

    二阶异步曲率优化

    arXiv:2510.15714v4 Announce Type: replace-cross Abstract: Second-order methods make fast progress per iteration, but forming and factorizing the Hessian often dominates their wall-clock time. We study \emph{Split-Client}, a task-parallel design in which a curvature client factori…

  2. arXiv cs.LG TIER_1 English(EN) · El Mahdi Chayti, Mohamad Fakhouri ·

    RanSOM:用于约束和无约束优化的带随机缩放的二阶动量

    arXiv:2602.06824v3 Announce Type: replace-cross Abstract: Second-order momentum corrects the lag of momentum behind the current gradient with a Hessian-vector product (HVP), but existing corrections need either a Lipschitz Hessian or extra forward and backward passes at an auxili…

  3. arXiv cs.LG TIER_1 English(EN) · El Mahdi Chayti, Mohamad Fakhouri ·

    混合动量 Frank--Wolfe 的随机组合优化

    arXiv:2605.15350v2 Announce Type: replace-cross Abstract: Stochastic compositional optimization minimizes $F(f(x), x)$ over a compact convex set when the inner map $f$ is available only through noisy samples. We propose Hybrid Momentum Stochastic Frank--Wolfe, a projection-free m…