Fantastic Weights and How to Find Them: Where to Prune in Dynamic Sparse Training
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Abstract (arXiv)
Dynamic Sparse Training (DST) is a rapidly evolving area of research that seeks to optimize the sparse initialization of a neural network by adapting its topology during training. It has been shown that under specific conditions, DST is able to outperform dense models. The key components of this framework are the pruning and growing criteria, which are repeatedly applied during the training process to adjust the network's sparse connectivity. While the growing criterion's impact on DST performance is relatively well studied, the influence of the pruning criterion remains overlooked. To address this issue, we design and perform an extensive empirical analysis of various pruning criteria to better understand their impact on the dynamics of DST solutions. Surprisingly, we find that most of the studied methods yield similar results. The differences become more significant in the low-density regime, where the best performance is predominantly given by the simplest technique: magnitude-based pruning. The code is provided at https://github.com/alooow/fantastic_weights_paper
Key facts. Cited by 17 papers in the map (data through 14 Oct 2026). Builds on 53 of its 66 references that are in the map. First posted on arXiv 21 Jun 2023.
Builds on
53 of 66 references.
References · 53
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- 2024Dynamic Sparse Training versus Dense Training: The Unexpected Winner in Image Corruption Robustnesscited by 11
- 2024SCAN: Bootstrapping Contrastive Pre-training for Data Efficiencycited by 6
- 2023Accelerating Learnt Video Codecs with Gradient Decay and Layer-wise Distillationcited by 4
- 2024Navigating Extremes: Dynamic Sparsity in Large Output Spacescited by 3
- 2025Leave it to the Specialist: Repair Sparse LLMs with Sparse Fine-Tuning via Sparsity Evolutioncited by 2
- 2024A Comparative Study of Pruning Methods in Transformer-based Time Series Forecastingcited by 1
- 2025Sparse-to-Sparse Training of Diffusion Modelscited by 1
- 2024Mixed Sparsity Training: Achieving 4× FLOP Reduction for Transformer Pretrainingcited by 0
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- 2025NeuroTrails: Training with Dynamic Sparse Heads as the Key to Effective Ensemblingcited by 0
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- 2025Neuro-inspired Ensemble-to-Ensemble Communication Primitives for Sparse and Efficient ANNscited by 0
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- 2026HAND: A Biologically-Inspired Activation Function that Improves Generalisation and Sample Efficiency in Image Classificationcited by 0
- 2026When Sparsity Breaks Connectivity: Functional Reachability and Guided Topology Dynamics in Extreme Sparse Trainingcited by 0
- 2026When Sparsity Breaks Connectivity: Functional Reachability and Guided Topology Dynamics in Extreme Sparse Training12 Oct 2026
- 2026HAND: A Biologically-Inspired Activation Function that Improves Generalisation and Sample Efficiency in Image Classification8 Oct 2026
- 2026Rethinking Reservoir Pruning: A Dynamical Perspective for Echo State Networks5 Aug 2026
- 2026Exploring the impact of adaptive rewiring in Graph Neural Networks11 Feb 2026
- 2025A Recovery Guarantee for Sparse Neural Networks24 Sep 2025
- 2025Neuro-inspired Ensemble-to-Ensemble Communication Primitives for Sparse and Efficient ANNs19 Aug 2025
- 2025Addressing the Collaboration Dilemma in Low-Data Federated Learning via Transient Sparsity1 Jun 2025
- 2025Leave it to the Specialist: Repair Sparse LLMs with Sparse Fine-Tuning via Sparsity Evolution29 May 2025
- 2025NeuroTrails: Training with Dynamic Sparse Heads as the Key to Effective Ensembling23 May 2025
- 2025Sparse-to-Sparse Training of Diffusion Models30 Apr 2025
- 2024A Comparative Study of Pruning Methods in Transformer-based Time Series Forecasting17 Dec 2024
- 2024SCAN: Bootstrapping Contrastive Pre-training for Data Efficiency14 Nov 2024
5 more
- 2024Navigating Extremes: Dynamic Sparsity in Large Output Spaces5 Nov 2024
- 2024Dynamic Sparse Training versus Dense Training: The Unexpected Winner in Image Corruption Robustness3 Oct 2024
- 2024EntryPrune: Neural Network Feature Selection using First Impressions3 Oct 2024
- 2024Mixed Sparsity Training: Achieving 4× FLOP Reduction for Transformer Pretraining21 Aug 2024
- 2023Accelerating Learnt Video Codecs with Gradient Decay and Layer-wise Distillation5 Dec 2023
- 2025Sparse-to-Sparse Training of Diffusion Modelscited by 1
- 2025Sparse-to-Sparse Training of Diffusion Models30 Apr 2025
- 2024Dynamic Sparse Training versus Dense Training: The Unexpected Winner in Image Corruption Robustnesscited by 11
- 2024SCAN: Bootstrapping Contrastive Pre-training for Data Efficiencycited by 6
- 2023Accelerating Learnt Video Codecs with Gradient Decay and Layer-wise Distillationcited by 4
- 2024Navigating Extremes: Dynamic Sparsity in Large Output Spacescited by 3
- 2025Leave it to the Specialist: Repair Sparse LLMs with Sparse Fine-Tuning via Sparsity Evolutioncited by 2
- 2024A Comparative Study of Pruning Methods in Transformer-based Time Series Forecastingcited by 1
- 2024Mixed Sparsity Training: Achieving 4× FLOP Reduction for Transformer Pretrainingcited by 0
- 2024EntryPrune: Neural Network Feature Selection using First Impressionscited by 0
- 2025NeuroTrails: Training with Dynamic Sparse Heads as the Key to Effective Ensemblingcited by 0
- 2025Addressing the Collaboration Dilemma in Low-Data Federated Learning via Transient Sparsitycited by 0
- 2025Neuro-inspired Ensemble-to-Ensemble Communication Primitives for Sparse and Efficient ANNscited by 0
- 2025A Recovery Guarantee for Sparse Neural Networkscited by 0
12 most cited of 16 All 16 (JSON)
- 2026When Sparsity Breaks Connectivity: Functional Reachability and Guided Topology Dynamics in Extreme Sparse Training12 Oct 2026
- 2026HAND: A Biologically-Inspired Activation Function that Improves Generalisation and Sample Efficiency in Image Classification8 Oct 2026
- 2026Rethinking Reservoir Pruning: A Dynamical Perspective for Echo State Networks5 Aug 2026
- 2026Exploring the impact of adaptive rewiring in Graph Neural Networks11 Feb 2026
- 2025A Recovery Guarantee for Sparse Neural Networks24 Sep 2025
- 2025Neuro-inspired Ensemble-to-Ensemble Communication Primitives for Sparse and Efficient ANNs19 Aug 2025
- 2025Addressing the Collaboration Dilemma in Low-Data Federated Learning via Transient Sparsity1 Jun 2025
- 2025Leave it to the Specialist: Repair Sparse LLMs with Sparse Fine-Tuning via Sparsity Evolution29 May 2025
- 2025NeuroTrails: Training with Dynamic Sparse Heads as the Key to Effective Ensembling23 May 2025
- 2024A Comparative Study of Pruning Methods in Transformer-based Time Series Forecasting17 Dec 2024
- 2024SCAN: Bootstrapping Contrastive Pre-training for Data Efficiency14 Nov 2024
- 2024Navigating Extremes: Dynamic Sparsity in Large Output Spaces5 Nov 2024
12 newest of 16 All 16 (JSON)