On Large Batch Training and Sharp Minima: A Fokker-Planck Perspective
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Abstract (arXiv)
We study the statistical properties of the dynamic trajectory of stochastic gradient descent (SGD). We approximate the mini-batch SGD and the momentum SGD as stochastic differential equations (SDEs). We exploit the continuous formulation of SDE and the theory of Fokker-Planck equations to develop new results on the escaping phenomenon and the relationship with large batch and sharp minima. In particular, we find that the stochastic process solution tends to converge to flatter minima regardless of the batch size in the asymptotic regime. However, the convergence rate is rigorously proven to depend on the batch size. These results are validated empirically with various datasets and models.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 15 of its 33 references that are in the map. First posted on arXiv 2 Dec 2021.
Builds on
15 of 33 references.
References · 15
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3 more
- 2017Stochastic gradient descent performs variational inference, converges to limit cycles for deep networkscited by 109
- 2017Towards Understanding Generalization of Deep Learning: Perspective of Loss Landscapescited by 84
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Citing papers per year: 2023: 1; 2024: 0; 2025: 2; 2026: 2.
5 papers.
- 2023Privacy Risk for anisotropic Langevin dynamics using relative entropy boundscited by 2
- 2025Model Merging via Multi-Teacher Knowledge Distillationcited by 2
- 2025Optimal Condition for Initialization Variance in Deep Neural Networks: An SGD Dynamics Perspectivecited by 0
- 2026Nonreversible Gauge Fields in Fokker--Planck Dynamics: Supersymmetric Hamiltonians and Learned Finite Forcescited by 0
- 2026Avoiding unsafe sets when training with Langevin Dynamicscited by 0
- 2026Avoiding unsafe sets when training with Langevin Dynamics8 Jul 2026
- 2026Nonreversible Gauge Fields in Fokker--Planck Dynamics: Supersymmetric Hamiltonians and Learned Finite Forces4 Jun 2026
- 2025Model Merging via Multi-Teacher Knowledge Distillation24 Dec 2025
- 2025Optimal Condition for Initialization Variance in Deep Neural Networks: An SGD Dynamics Perspective18 Aug 2025
- 2023Privacy Risk for anisotropic Langevin dynamics using relative entropy bounds1 Feb 2023