What is the State of Neural Network Pruning?
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Abstract (arXiv)
Neural network pruning---the task of reducing the size of a network by removing parameters---has been the subject of a great deal of work in recent years. We provide a meta-analysis of the literature, including an overview of approaches to pruning and consistent findings in the literature. After aggregating results across 81 papers and pruning hundreds of models in controlled conditions, our clearest finding is that the community suffers from a lack of standardized benchmarks and metrics. This deficiency is substantial enough that it is hard to compare pruning techniques to one another or determine how much progress the field has made over the past three decades. To address this situation, we identify issues with current practices, suggest concrete remedies, and introduce ShrinkBench, an open-source framework to facilitate standardized evaluations of pruning methods. We use ShrinkBench to compare various pruning techniques and show that its comprehensive evaluation can prevent common pitfalls when comparing pruning methods.
Key facts. Cited by 578 papers in the map (data through 7 Oct 2026). First posted on arXiv 6 Mar 2020.
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Citing papers per year: 2021: 101; 2022: 105; 2023: 126; 2024: 113; 2025: 87; 2026: 46.
578 papers.
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- 2021Scaling Language Models: Methods, Analysis & Insights from Training Gophercited by 1,199
- 2021A Survey of Quantization Methods for Efficient Neural Network Inferencecited by 798
- 2023A Simple and Effective Pruning Approach for Large Language Modelscited by 776
- 2021Compacter: Efficient Low-Rank Hypercomplex Adapter Layerscited by 458
- 2021Pruning and Quantization for Deep Neural Network Acceleration: A Surveycited by 259
- 2021Knowledge distillation: A good teacher is patient and consistentcited by 255
- 2022Sparse Upcycling: Training Mixture-of-Experts from Dense Checkpointscited by 207
- 2023Model Sparsity Can Simplify Machine Unlearningcited by 206
- 2023A Survey on Deep Neural Network Pruning-Taxonomy, Comparison, Analysis, and Recommendationscited by 200
- 2023Attribution Patching Outperforms Automated Circuit Discoverycited by 196
- 2021Accounting for Variance in Machine Learning Benchmarkscited by 195
- 2022Dataset Pruning: Reducing Training Data by Examining Generalization Influencecited by 132
38 more
- 2022Toward Transparent AI: A Survey on Interpreting the Inner Structures of Deep Neural Networkscited by 126
- 2023Dataset Distillation: A Comprehensive Reviewcited by 126
- 2023Structured Pruning for Deep Convolutional Neural Networks: A surveycited by 122
- 2023Not All Features Matter: Enhancing Few-shot CLIP with Adaptive Prior Refinementcited by 84
- 2021Leveraging Sparse Linear Layers for Debuggable Deep Networkscited by 82
- 2022Efficient Methods for Natural Language Processing: A Surveycited by 78
- 2021CHIP: CHannel Independence-based Pruning for Compact Neural Networkscited by 76
- 2023DeepZero: Scaling up Zeroth-Order Optimization for Deep Model Trainingcited by 76
- 2022Deep Differentiable Logic Gate Networkscited by 67
- 2024ThinK: Thinner Key Cache by Query-Driven Pruningcited by 66
- 2023Single-Model and Any-Modality for Video Object Trackingcited by 64
- 2021Lost in Pruning: The Effects of Pruning Neural Networks beyond Test Accuracycited by 62
- 2021hls4ml: An Open-Source Codesign Workflow to Empower Scientific Low-Power Machine Learning Devicescited by 61
- 2022The State of Sparse Training in Deep Reinforcement Learningcited by 60
- 2021Initialization and Regularization of Factorized Neural Layerscited by 58
- 2022Advancing Model Pruning via Bi-level Optimizationcited by 55
- 2023LoRAPrune: Structured Pruning Meets Low-Rank Parameter-Efficient Fine-Tuningcited by 53
- 2024MADTP: Multimodal Alignment-Guided Dynamic Token Pruning for Accelerating Vision-Language Transformercited by 53
- 2024ConceptPrune: Concept Editing in Diffusion Models via Skilled Neuron Pruningcited by 51
- 2024Efficient Expert Pruning for Sparse Mixture-of-Experts Language Models: Enhancing Performance and Reducing Inference Costscited by 51
- 2021PARP: Prune, Adjust and Re-Prune for Self-Supervised Speech Recognitioncited by 50
- 2022Revisiting Random Channel Pruning for Neural Network Compressioncited by 50
- 2023The Local Learning Coefficient: A Singularity-Aware Complexity Measurecited by 50
- 2021The Low-Resource Double Bind: An Empirical Study of Pruning for Low-Resource Machine Translationcited by 46
- 2023Pruning vs Quantization: Which is Better?cited by 45
- 2024Trimming the Fat: Efficient Compression of 3D Gaussian Splats through Pruningcited by 45
- 2021Heavy Tails in SGD and Compressibility of Overparametrized Neural Networkscited by 44
- 2022Pruning has a disparate impact on model accuracycited by 43
- 2024Incremental Residual Concept Bottleneck Modelscited by 43
- 2022Membership Inference Attacks and Defenses in Neural Network Pruningcited by 42
- 2022Low-rank lottery tickets: finding efficient low-rank neural networks via matrix differential equationscited by 42
- 2021Recent Advances on Neural Network Pruning at Initializationcited by 41
- 2022The Combinatorial Brain Surgeon: Pruning Weights That Cancel One Another in Neural Networkscited by 41
- 2023Fast as CHITA: Neural Network Pruning with Combinatorial Optimizationcited by 40
- 2025Weight-sparse transformers have interpretable circuitscited by 40
- 2022Unmasking the Lottery Ticket Hypothesis: What's Encoded in a Winning Ticket's Mask?cited by 38
- 2022Compute-Efficient Deep Learning: Algorithmic Trends and Opportunitiescited by 38
- 2023Seeing is Believing: Brain-Inspired Modular Training for Mechanistic Interpretabilitycited by 38
50 most cited of 578 All 578 (JSON)
- 2026Beyond Sparsity: Weight Location and Network Context in Pruned MRI Reconstruction25 Sep 2026
- 2026Input-Layer Starvation: Why Per-Layer Pruning Breaks IoT Intrusion Detectors25 Sep 2026
- 2026Artificial Structure Function Search: Preserving Artificial Functional Connectivity for Structured Pruning21 Sep 2026
- 2026Optimal Pruning for Neural Architectures using Fisher Information Distances14 Sep 2026
- 2026Coarse-Graining Hidden Representations: Unsupervised Neuron Selection via Mapping Entropy4 Sep 2026
- 2026A Closed-Loop Evaluation of Capability Loss and Recovery in Compressed Driving Policies1 Sep 2026
- 2026Functional Degeneracy in Neural Networks: Measurement and Pruning31 Aug 2026
- 2026Width-Independent Compressibility of Deep Neural Networks22 Aug 2026
- 2026Behavioral Reprogramming of Open-Weights Models: Cognitive Plasticity and Alignment Bounds13 Aug 2026
- 2026Prune Once: Retraining-Free Task-Agnostic Pruning for Vision-Language Models7 Aug 2026
- 2026Effective pruning of task-trained recurrent neural networks using noisy fluctuations and connection rescaling5 Aug 2026
- 2026Rethinking Reservoir Pruning: A Dynamical Perspective for Echo State Networks5 Aug 2026
38 more
- 2026Lottery Tickets Are Not Deployment Tickets29 Jul 2026
- 2026Post-Training Pruning for Diffusion Transformers1 Jul 2026
- 2026Finding Sparse Subnetworks in One Training Cycle via Progressive Magnitude-Based Pruning10 Jun 2026
- 2026Entropy Gate: Entropy Quenching for Near-Lossless Token Compression in LLM Pipelines2 Jun 2026
- 2026Automatically Differentiable Nonlinear Tensor Networks (ADNTNs) for Exponential Parameter Compression of Deep Neural Networks28 May 2026
- 2026Relative Repairability: A Calibration-Based Diagnostic for High-Sparsity Post-Pruning Allocation25 May 2026
- 2026Pruning Deep Neural Networks via the Marchenko--Pastur Distribution23 May 2026
- 2026Adaptive Signal Resuscitation: Channel-wise Post-Pruning Repair for Sparse Vision Networks20 May 2026
- 2026Two-Valued Symmetric Circulant Matrices: Applications in Deep Learning15 May 2026
- 2026Spectral structural distortion reveals redundant neurons in neural networks14 May 2026
- 2026GenAI for Energy-Efficient and Interference-Aware Compressed Sensing of GNSS Signals on a Google Edge TPU14 May 2026
- 2026Regime-Conditioned Evaluation in Multi-Context Bayesian Optimization6 May 2026
- 2026Observe Less, Understand More: Cost-aware Cross-scale Observation for Remote Sensing Understanding13 Apr 2026
- 2026Computational Lesions in Multilingual Language Models Separate Shared and Language-specific Brain Alignment12 Apr 2026
- 2026Engineering Resource-constrained Software Systems with DNN Components: a Concept-based Pruning Approach11 Apr 2026
- 2026CADENCE: Context-Adaptive Depth Estimation for Navigation and Computational Efficiency8 Apr 2026
- 2026Not All Layers Are Created Equal: Adaptive LoRA Ranks for Personalized Image Generation23 Mar 2026
- 2026Fundamental Limits of Neural Network Sparsification: Evidence from Catastrophic Interpretability Collapse18 Mar 2026
- 2026AdaMuS: Adaptive Multi-view Sparsity Learning for Dimensionally Unbalanced Data18 Mar 2026
- 2026A Benchmark Study of Neural Network Compression Methods for Hyperspectral Image Classification5 Mar 2026
- 2026Elimination-compensation pruning for fully-connected neural networks24 Feb 2026
- 2026Position: Evaluation of ECG Representations Must Be Fixed19 Feb 2026
- 2026Sparsity-Aware Evolution for Model Merging9 Feb 2026
- 2026Efficient Post-Training Pruning of Large Language Models with Statistical Correction7 Feb 2026
- 2026How Controlling the Variance can Improve Training Stability of Sparsely Activated DNNs and CNNs5 Feb 2026
- 2026Learning Rate Matters: Vanilla LoRA May Suffice for LLM Fine-tuning4 Feb 2026
- 2026Topology-Aware Revival for Efficient Sparse Training4 Feb 2026
- 2026Regularisation in neural networks: a survey and empirical analysis of approaches30 Jan 2026
- 2026Component-Aware Pruning Framework for Neural Network Controllers via Gradient-Based Importance Estimation27 Jan 2026
- 2026Using deep learning for predicting cleansing quality of colon capsule endoscopy images19 Jan 2026
- 2026AgenticPruner: MAC-Constrained Neural Network Compression via LLM-Driven Strategy Search18 Jan 2026
- 2026Spectral Complex Autoencoder Pruning: A Fidelity-Guided Criterion for Extreme Structured Channel Compression14 Jan 2026
- 2026D2Prune: Sparsifying Large Language Models via Dual Taylor Expansion and Attention Distribution Awareness14 Jan 2026
- 2026Visualising Information Flow in Word Embeddings with Diffusion Tensor Imaging9 Jan 2026
- 2025Tiny, On-Device Decision Makers with the MiniConv Library17 Dec 2025
- 2025KD-PINN: Knowledge-Distilled PINNs for ultra-low-latency real-time neural PDE solvers15 Dec 2025
- 2025Renormalizable Spectral-Shell Dynamics as the Origin of Neural Scaling Laws11 Dec 2025
- 2025HOLE: Homological Observation of Latent Embeddings for Neural Network Interpretability8 Dec 2025
50 newest of 578 All 578 (JSON)
- 2023Model Sparsity Can Simplify Machine Unlearningcited by 206
- 2022Membership Inference Attacks and Defenses in Neural Network Pruningcited by 42
- 2024Dissecting Language Models: Machine Unlearning via Selective Pruningcited by 38
- 2025FedUP: Efficient Pruning-based Federated Unlearning for Model Poisoning Attackscited by 1
- 2025ModHiFi: Identifying High Fidelity predictive components for Model Modificationcited by 1
- 2023Post-Training Overfitting Mitigation in DNN Classifierscited by 0
- 2025Tackling Federated Unlearning as a Parameter Estimation Problemcited by 0
- 2025ModHiFi: Identifying High Fidelity predictive components for Model Modification24 Nov 2025
- 2025Tackling Federated Unlearning as a Parameter Estimation Problem26 Aug 2025
- 2025FedUP: Efficient Pruning-based Federated Unlearning for Model Poisoning Attacks19 Aug 2025
- 2024Dissecting Language Models: Machine Unlearning via Selective Pruning2 Mar 2024
- 2023Post-Training Overfitting Mitigation in DNN Classifiers28 Sep 2023
- 2023Model Sparsity Can Simplify Machine Unlearning11 Apr 2023
- 2022Membership Inference Attacks and Defenses in Neural Network Pruning7 Feb 2022
- 2022Sparse Upcycling: Training Mixture-of-Experts from Dense Checkpointscited by 207
- 2024Efficient Expert Pruning for Sparse Mixture-of-Experts Language Models: Enhancing Performance and Reducing Inference Costscited by 51
- 2024Prompt-prompted Adaptive Structured Pruning for Efficient LLM Generationcited by 20
- 2025ResMoE: Space-efficient Compression of Mixture of Experts LLMs via Residual Restorationcited by 12
- 2025μ-MoE: Test-Time Pruning as Micro-Grained Mixture-of-Expertscited by 3
- 2024Beyond Parameter Count: Implicit Bias in Soft Mixture of Expertscited by 1
- 2025μ-MoE: Test-Time Pruning as Micro-Grained Mixture-of-Experts24 May 2025
- 2025ResMoE: Space-efficient Compression of Mixture of Experts LLMs via Residual Restoration10 Mar 2025
- 2024Beyond Parameter Count: Implicit Bias in Soft Mixture of Experts2 Sep 2024
- 2024Efficient Expert Pruning for Sparse Mixture-of-Experts Language Models: Enhancing Performance and Reducing Inference Costs1 Jul 2024
- 2024Prompt-prompted Adaptive Structured Pruning for Efficient LLM Generation1 Apr 2024
- 2022Sparse Upcycling: Training Mixture-of-Experts from Dense Checkpoints9 Dec 2022
- 2024ConceptPrune: Concept Editing in Diffusion Models via Skilled Neuron Pruningcited by 51
- 2024Pruning for Robust Concept Erasing in Diffusion Modelscited by 22
- 2026Not All Layers Are Created Equal: Adaptive LoRA Ranks for Personalized Image Generationcited by 2
- 2026Post-Training Pruning for Diffusion Transformerscited by 0
- 2026Post-Training Pruning for Diffusion Transformers1 Jul 2026
- 2026Not All Layers Are Created Equal: Adaptive LoRA Ranks for Personalized Image Generation23 Mar 2026
- 2024ConceptPrune: Concept Editing in Diffusion Models via Skilled Neuron Pruning29 May 2024
- 2024Pruning for Robust Concept Erasing in Diffusion Models26 May 2024
- 2024MADTP: Multimodal Alignment-Guided Dynamic Token Pruning for Accelerating Vision-Language Transformercited by 53
- 2023LinguaLinked: A Distributed Large Language Model Inference System for Mobile Devicescited by 3
- 2025Balanced and Elastic End-to-end Training of Dynamic LLMscited by 0
- 2026Entropy Gate: Entropy Quenching for Near-Lossless Token Compression in LLM Pipelinescited by 0
- 2026Entropy Gate: Entropy Quenching for Near-Lossless Token Compression in LLM Pipelines2 Jun 2026
- 2025Balanced and Elastic End-to-end Training of Dynamic LLMs20 May 2025
- 2024MADTP: Multimodal Alignment-Guided Dynamic Token Pruning for Accelerating Vision-Language Transformer5 Mar 2024
- 2023LinguaLinked: A Distributed Large Language Model Inference System for Mobile Devices1 Dec 2023
- 2024ThinK: Thinner Key Cache by Query-Driven Pruningcited by 66
- 2024ThinK: Thinner Key Cache by Query-Driven Pruning30 Jul 2024
- 2021Scaling Language Models: Methods, Analysis & Insights from Training Gophercited by 1,199
- 2021A Survey of Quantization Methods for Efficient Neural Network Inferencecited by 798
- 2023A Simple and Effective Pruning Approach for Large Language Modelscited by 776
- 2021Compacter: Efficient Low-Rank Hypercomplex Adapter Layerscited by 458
- 2021Pruning and Quantization for Deep Neural Network Acceleration: A Surveycited by 259
- 2021Knowledge distillation: A good teacher is patient and consistentcited by 255
- 2023A Survey on Deep Neural Network Pruning-Taxonomy, Comparison, Analysis, and Recommendationscited by 200
- 2023Attribution Patching Outperforms Automated Circuit Discoverycited by 196
- 2021Accounting for Variance in Machine Learning Benchmarkscited by 195
- 2022Dataset Pruning: Reducing Training Data by Examining Generalization Influencecited by 132
- 2022Toward Transparent AI: A Survey on Interpreting the Inner Structures of Deep Neural Networkscited by 126
- 2023Dataset Distillation: A Comprehensive Reviewcited by 126
12 most cited of 550 All 550 (JSON)
- 2026Beyond Sparsity: Weight Location and Network Context in Pruned MRI Reconstruction25 Sep 2026
- 2026Input-Layer Starvation: Why Per-Layer Pruning Breaks IoT Intrusion Detectors25 Sep 2026
- 2026Artificial Structure Function Search: Preserving Artificial Functional Connectivity for Structured Pruning21 Sep 2026
- 2026Optimal Pruning for Neural Architectures using Fisher Information Distances14 Sep 2026
- 2026Coarse-Graining Hidden Representations: Unsupervised Neuron Selection via Mapping Entropy4 Sep 2026
- 2026Functional Degeneracy in Neural Networks: Measurement and Pruning31 Aug 2026
- 2026Width-Independent Compressibility of Deep Neural Networks22 Aug 2026
- 2026Effective pruning of task-trained recurrent neural networks using noisy fluctuations and connection rescaling5 Aug 2026
- 2026Rethinking Reservoir Pruning: A Dynamical Perspective for Echo State Networks5 Aug 2026
- 2026Lottery Tickets Are Not Deployment Tickets29 Jul 2026
- 2026Finding Sparse Subnetworks in One Training Cycle via Progressive Magnitude-Based Pruning10 Jun 2026
- 2026Automatically Differentiable Nonlinear Tensor Networks (ADNTNs) for Exponential Parameter Compression of Deep Neural Networks28 May 2026
12 newest of 550 All 550 (JSON)