Splitting Steepest Descent for Growing Neural Architectures
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Abstract (arXiv)
We develop a progressive training approach for neural networks which adaptively grows the network structure by splitting existing neurons to multiple off-springs. By leveraging a functional steepest descent idea, we derive a simple criterion for deciding the best subset of neurons to split and a splitting gradient for optimally updating the off-springs. Theoretically, our splitting strategy is a second-order functional steepest descent for escaping saddle points in an ∞-Wasserstein metric space, on which the standard parametric gradient descent is a first-order steepest descent. Our method provides a new computationally efficient approach for optimizing neural network structures, especially for learning lightweight neural architectures in resource-constrained settings.
Key facts. Cited by 52 papers in the map (data through 7 Oct 2026). First posted on arXiv 6 Oct 2019.
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Citing papers per year: 2021: 8; 2022: 9; 2023: 9; 2024: 10; 2025: 8; 2026: 8.
52 papers.
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50 most cited of 52 All 52 (JSON)
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- 2026Growing Networks with Autonomous Pruning20 Mar 2026
- 2026Data Reconstruction: Identifiability and Optimization with Sample Splitting9 Feb 2026
- 2026SPARKLING: Balancing Signal Preservation and Symmetry Breaking for Width-Progressive Learning2 Feb 2026
- 2025Shared-Weights Extender and Gradient Voting for Neural Network Expansion23 Sep 2025
- 2025Saddle Hierarchy in Dense Associative Memory26 Aug 2025
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38 more
- 2025Energy-Aware Deep Learning on Resource-Constrained Hardware18 May 2025
- 2025Steepest Descent Density Control for Compact 3D Gaussian Splatting8 May 2025
- 2025Topological derivative approach for deep neural network architecture adaptation8 Feb 2025
- 2025Adaptive Width Neural Networks27 Jan 2025
- 2024Learning Morphisms with Gauss-Newton Approximation for Growing Networks7 Nov 2024
- 2024Growing Efficient Accurate and Robust Neural Networks on the Edge10 Oct 2024
- 2024Composing Global Solutions to Reasoning Tasks via Algebraic Objects in Neural Nets2 Oct 2024
- 2024Growing Deep Neural Network Considering with Similarity between Neurons23 Aug 2024
- 2024DHA: Learning Decoupled-Head Attention from Transformer Checkpoints via Adaptive Heads Fusion3 Jun 2024
- 2024Growing Tiny Networks: Spotting Expressivity Bottlenecks and Fixing Them Optimally30 May 2024
- 2024Beyond Uniform Scaling: Exploring Depth Heterogeneity in Neural Architectures19 Feb 2024
- 2024Loss Landscape of Shallow ReLU-like Neural Networks: Stationary Points, Saddle Escape, and Network Embedding8 Feb 2024
- 2024Preparing Lessons for Progressive Training on Language Models17 Jan 2024
- 2024When To Grow? A Fitting Risk-Aware Policy for Layer Growing in Deep Neural Networks6 Jan 2024
- 2023Split-Ensemble: Efficient OOD-aware Ensemble via Task and Model Splitting14 Dec 2023
- 2023SensLI: Sensitivity-Based Layer Insertion for Neural Networks27 Nov 2023
- 2023MixtureGrowth: Growing Neural Networks by Recombining Learned Parameters7 Nov 2023
- 2023Reusing Pretrained Models by Multi-linear Operators for Efficient Training16 Oct 2023
- 2023Energy Concerns with HPC Systems and Applications31 Aug 2023
- 2023Self-Expanding Neural Networks10 Jul 2023
- 2023Accelerated Training via Incrementally Growing Neural Networks using Variance Transfer and Learning Rate Adaptation22 Jun 2023
- 2023Learning to Grow Pretrained Models for Efficient Transformer Training2 Mar 2023
- 2023The Dormant Neuron Phenomenon in Deep Reinforcement Learning24 Feb 2023
- 2022Incremental Spatial and Spectral Learning of Neural Operators for Solving Large-Scale PDEs28 Nov 2022
- 2022An Adaptive and Stability-Promoting Layerwise Training Approach for Sparse Deep Neural Network Architecture13 Nov 2022
- 2022Streamable Neural Fields20 Jul 2022
- 2022Staged Training for Transformer Language Models11 Mar 2022
- 2022Auto-scaling Vision Transformers without Training24 Feb 2022
- 2022Sparsity Winning Twice: Better Robust Generalization from More Efficient Training20 Feb 2022
- 2022When, where, and how to add new neurons to ANNs17 Feb 2022
- 2022Growing Neural Network with Shared Parameter17 Jan 2022
- 2022GradMax: Growing Neural Networks using Gradient Information13 Jan 2022
- 2021Growing Representation Learning17 Oct 2021
- 2021bert2BERT: Towards Reusable Pretrained Language Models14 Oct 2021
- 2021PINNup: Robust neural network wavefield solutions using frequency upscaling and neuron splitting29 Sep 2021
- 2021On Anytime Learning at Macroscale17 Jun 2021
- 2021Differentiable Neural Architecture Search with Morphism-based Transformable Backbone Architectures14 Jun 2021
- 2021The Elastic Lottery Ticket Hypothesis30 Mar 2021
50 newest of 52 All 52 (JSON)
- 2023The Dormant Neuron Phenomenon in Deep Reinforcement Learningcited by 171
- 2023Learning to Grow Pretrained Models for Efficient Transformer Trainingcited by 81
- 2021bert2BERT: Towards Reusable Pretrained Language Modelscited by 70
- 2022GradMax: Growing Neural Networks using Gradient Informationcited by 64
- 2022Staged Training for Transformer Language Modelscited by 49
- 2021Firefly Neural Architecture Descent: a General Approach for Growing Neural Networkscited by 48
- 2022Sparsity Winning Twice: Better Robust Generalization from More Efficient Trainingcited by 41
- 2022Incremental Spatial and Spectral Learning of Neural Operators for Solving Large-Scale PDEscited by 25
- 2021The Elastic Lottery Ticket Hypothesiscited by 23
- 2021On Anytime Learning at Macroscalecited by 20
- 2021PINNup: Robust neural network wavefield solutions using frequency upscaling and neuron splittingcited by 20
- 2022When, where, and how to add new neurons to ANNscited by 18
12 most cited of 50 All 50 (JSON)
- 2026Neuron-Level Architecture Growth: A Controlled Evaluation for EEG Time-Series Decoding27 Sep 2026
- 2026Quantifying Depth Sufficiency in Residual Neural Networks: A First-Order Criterion1 Aug 2026
- 2026An optimal control approach for neural network architecture adaptation with a posteriori error estimation8 Jul 2026
- 2026On the Stability of Growth in Structural Plasticity: Forward-Active yet Backward-Starved14 May 2026
- 2026Growing Networks with Autonomous Pruning20 Mar 2026
- 2026Data Reconstruction: Identifiability and Optimization with Sample Splitting9 Feb 2026
- 2025Shared-Weights Extender and Gradient Voting for Neural Network Expansion23 Sep 2025
- 2025Saddle Hierarchy in Dense Associative Memory26 Aug 2025
- 2025Variational Kolmogorov-Arnold Network3 Jul 2025
- 2025Flat Channels to Infinity in Neural Loss Landscapes17 Jun 2025
- 2025Energy-Aware Deep Learning on Resource-Constrained Hardware18 May 2025
- 2025Steepest Descent Density Control for Compact 3D Gaussian Splatting8 May 2025
12 newest of 50 All 50 (JSON)