BiT: Robustly Binarized Multi-distilled Transformer
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Abstract (arXiv)
Modern pre-trained transformers have rapidly advanced the state-of-the-art in machine learning, but have also grown in parameters and computational complexity, making them increasingly difficult to deploy in resource-constrained environments. Binarization of the weights and activations of the network can significantly alleviate these issues, however, is technically challenging from an optimization perspective. In this work, we identify a series of improvements that enables binary transformers at a much higher accuracy than what was possible previously. These include a two-set binarization scheme, a novel elastic binary activation function with learned parameters, and a method to quantize a network to its limit by successively distilling higher precision models into lower precision students. These approaches allow for the first time, fully binarized transformer models that are at a practical level of accuracy, approaching a full-precision BERT baseline on the GLUE language understanding benchmark within as little as 5.9%. Code and models are available at: https://github.com/facebookresearch/bit.
Key facts. Cited by 51 papers in the map (data through 7 Oct 2026). Builds on 42 of its 67 references that are in the map. First posted on arXiv 25 May 2022.
Builds on
42 of 67 references.
References · 42
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- 2020Language Models are Few-Shot Learnerscited by 32,199
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- 2017SemEval-2017 Task 1: Semantic Textual Similarity - Multilingual and Cross-lingual Focused Evaluationcited by 998
30 more
- 2016XNOR-Net: ImageNet Classification Using Binary Convolutional Neural Networkscited by 829
- 2021A Survey of Quantization Methods for Efficient Neural Network Inferencecited by 798
- 2019Learned Step Size Quantizationcited by 604
- 2016DoReFa-Net: Training Low Bitwidth Convolutional Neural Networks with Low Bitwidth Gradientscited by 557
- 2018PACT: Parameterized Clipping Activation for Quantized Neural Networkscited by 456
- 2016Quantized Neural Networks: Training Neural Networks with Low Precision Weights and Activationscited by 413
- 2019Q-BERT: Hessian Based Ultra Low Precision Quantization of BERTcited by 355
- 2019Q8BERT: Quantized 8Bit BERTcited by 296
- 2018LQ-Nets: Learned Quantization for Highly Accurate and Compact Deep Neural Networkscited by 272
- 2019Differentiable Soft Quantization: Bridging Full-Precision and Low-Bit Neural Networkscited by 234
- 2018Bi-Real Net: Enhancing the Performance of 1-bit CNNs With Improved Representational Capability and Advanced Training Algorithmcited by 233
- 2020ReActNet: Towards Precise Binary Neural Network with Generalized Activation Functionscited by 183
- 2020BinaryBERT: Pushing the Limit of BERT Quantizationcited by 175
- 2019Forward and Backward Information Retention for Accurate Binary Neural Networkscited by 169
- 2018Training Deep Neural Networks with 8-bit Floating Point Numberscited by 163
- 2018Learning to Quantize Deep Networks by Optimizing Quantization Intervals with Task Losscited by 157
- 2020Training with Quantization Noise for Extreme Model Compressioncited by 145
- 2020TernaryBERT: Distillation-aware Ultra-low Bit BERTcited by 145
- 2019Additive Powers-of-Two Quantization: An Efficient Non-uniform Discretization for Neural Networkscited by 143
- 2021Understanding and Overcoming the Challenges of Efficient Transformer Quantizationcited by 139
- 2020Training Binary Neural Networks with Real-to-Binary Convolutionscited by 111
- 2020GOBO: Quantizing Attention-Based NLP Models for Low Latency and Energy Efficient Inferencecited by 103
- 2016Convolutional Neural Networks using Logarithmic Data Representationcited by 97
- 2019Knowledge Distillation from Internal Representationscited by 87
- 2021Nonuniform-to-Uniform Quantization: Towards Accurate Quantization via Generalized Straight-Through Estimationcited by 78
- 2019Towards Unified INT8 Training for Convolutional Neural Networkcited by 77
- 2017Towards Effective Low-bitwidth Convolutional Neural Networkscited by 76
- 2022BiBERT: Accurate Fully Binarized BERTcited by 70
- 2019QKD: Quantization-aware Knowledge Distillationcited by 42
- 2018Synetgy: Algorithm-hardware Co-design for ConvNet Accelerators on Embedded FPGAscited by 18
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Citing papers per year: 2022: 3; 2023: 15; 2024: 12; 2025: 13; 2026: 8.
51 papers.
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- 2023LLM-QAT: Data-Free Quantization Aware Training for Large Language Modelscited by 320
- 2023BitNet: Scaling 1-bit Transformers for Large Language Modelscited by 175
- 2023PB-LLM: Partially Binarized Large Language Modelscited by 80
- 2025ParetoQ: Improving Scaling Laws in Extremely Low-bit LLM Quantizationcited by 44
- 2023A Survey of Techniques for Optimizing Transformer Inferencecited by 35
- 2024SpikeLM: Towards General Spike-Driven Language Modeling via Elastic Bi-Spiking Mechanismscited by 31
- 2022BiViT: Extremely Compressed Binary Vision Transformercited by 28
- 2023BiBench: Benchmarking and Analyzing Network Binarizationcited by 22
- 2024Scalable MatMul-free Language Modelingcited by 21
- 2023BinaryViT: Pushing Binary Vision Transformers Towards Convolutional Modelscited by 17
- 2023Quantization Variation: A New Perspective on Training Transformers with Low-Bit Precisioncited by 17
- 2023ShiftAddViT: Mixture of Multiplication Primitives Towards Efficient Vision Transformercited by 15
38 more
- 2024A Comprehensive Survey of Compression Algorithms for Language Modelscited by 15
- 2023Binarized Neural Machine Translationcited by 12
- 2023BinaryViT: Towards Efficient and Accurate Binary Vision Transformerscited by 7
- 2023Binary and Ternary Natural Language Generationcited by 7
- 2025Binarized Mamba-Transformer for Lightweight Quad Bayer HybridEVS Demosaicingcited by 7
- 2024BETA: Binarized Energy-Efficient Transformer Accelerator at the Edgecited by 6
- 2024Sorbet: A Neuromorphic Hardware-Compatible Transformer-Based Spiking Language Modelcited by 6
- 2025BHViT: Binarized Hybrid Vision Transformercited by 5
- 2025Otters: An Energy-Efficient SpikingTransformer via Optical Time-to-First-Spike Encodingcited by 5
- 2022Efficient Speech Representation Learning with Low-Bit Quantizationcited by 4
- 2023A Comprehensive Review and a Taxonomy of Edge Machine Learning: Requirements, Paradigms, and Techniquescited by 4
- 2023GSB: Group Superposition Binarization for Vision Transformer with Limited Training Samplescited by 4
- 2025COBRA: Algorithm-Architecture Co-optimized Binary Transformer Accelerator for Edge Inferencecited by 4
- 2025Compute-Optimal Quantization-Aware Trainingcited by 4
- 2024BOLD: Boolean Logic Deep Learningcited by 3
- 2024Dynamical Mean-Field Theory of Self-Attention Neural Networkscited by 3
- 2024Towards Narrowing the Generalization Gap in Deep Boolean Networkscited by 3
- 2026FAAR: Format-Aware Adaptive Rounding for NVFP4cited by 3
- 2026WinQ: Accelerating Quantization-Aware Training of Language Models Around Saddle Pointscited by 3
- 2024Co-Designing Binarized Transformer and Hardware Accelerator for Efficient End-to-End Edge Deploymentcited by 2
- 2025Highly Efficient and Effective LLMs with Multi-Boolean Architecturescited by 2
- 2025FraQAT: Quantization Aware Training with Fractional bitscited by 2
- 2026HBVLA: Pushing 1-Bit Post-Training Quantization for Vision-Language-Action Modelscited by 2
- 2023BPT: Binary Point Cloud Transformer for Place Recognitioncited by 1
- 2024FBPT: A Fully Binary Point Transformercited by 1
- 2024BiDense: Binarization for Dense Predictioncited by 1
- 2025Binary Neural Networks for Large Language Model: A Surveycited by 1
- 2025BiVM: Accurate Binarized Neural Network for Efficient Video Mattingcited by 1
- 2022Boosting Binary Neural Networks via Dynamic Thresholds Learningcited by 0
- 2023Attention or Convolution: Transformer Encoders in Audio Language Models for Inference Efficiencycited by 0
- 2024BEExformer: A Fast Inferencing Binarized Transformer with Early Exitscited by 0
- 2025HadamRNN: Binary and Sparse Ternary Orthogonal RNNscited by 0
- 2025High-Fidelity Differential-information Driven Binary Vision Transformercited by 0
- 2025BiHDTrans: binary hyperdimensional transformer for efficient multivariate time series classificationcited by 0
- 2026SpikySpace: A Spiking State Space Model for Energy-Efficient Time Series Forecastingcited by 0
- 2026Matterhorn: Masked Time-to-First-Spike Encoding by Reassigning the Silent State for Sparse and Energy-Efficient Spiking Transformerscited by 0
- 2026pQuant: Towards Effective Low-Bit Language Models via Decoupled Linear Quantization-Aware Trainingcited by 0
- 2026Otters++: A Time-to-first-spike Based Energy Efficient Optical Spiking Transformercited by 0
50 most cited of 51 All 51 (JSON)
- 2026Layerwise Progressive Freezing: A Training Scaffold for Depth-Scalable Binary Networks26 Jun 2026
- 2026Otters++: A Time-to-first-spike Based Energy Efficient Optical Spiking Transformer11 Jun 2026
- 2026WinQ: Accelerating Quantization-Aware Training of Language Models Around Saddle Points17 May 2026
- 2026FAAR: Format-Aware Adaptive Rounding for NVFP423 Mar 2026
- 2026pQuant: Towards Effective Low-Bit Language Models via Decoupled Linear Quantization-Aware Training26 Feb 2026
- 2026HBVLA: Pushing 1-Bit Post-Training Quantization for Vision-Language-Action Models14 Feb 2026
- 2026Matterhorn: Masked Time-to-First-Spike Encoding by Reassigning the Silent State for Sparse and Energy-Efficient Spiking Transformers30 Jan 2026
- 2026SpikySpace: A Spiking State Space Model for Energy-Efficient Time Series Forecasting2 Jan 2026
- 2025FraQAT: Quantization Aware Training with Fractional bits16 Oct 2025
- 2025BiHDTrans: binary hyperdimensional transformer for efficient multivariate time series classification29 Sep 2025
- 2025Compute-Optimal Quantization-Aware Training26 Sep 2025
- 2025Otters: An Energy-Efficient SpikingTransformer via Optical Time-to-First-Spike Encoding23 Sep 2025
38 more
- 2025BiVM: Accurate Binarized Neural Network for Efficient Video Matting6 Jul 2025
- 2025High-Fidelity Differential-information Driven Binary Vision Transformer3 Jul 2025
- 2025Highly Efficient and Effective LLMs with Multi-Boolean Architectures28 May 2025
- 2025COBRA: Algorithm-Architecture Co-optimized Binary Transformer Accelerator for Edge Inference22 Apr 2025
- 2025Binarized Mamba-Transformer for Lightweight Quad Bayer HybridEVS Demosaicing20 Mar 2025
- 2025BHViT: Binarized Hybrid Vision Transformer4 Mar 2025
- 2025Binary Neural Networks for Large Language Model: A Survey26 Feb 2025
- 2025ParetoQ: Improving Scaling Laws in Extremely Low-bit LLM Quantization4 Feb 2025
- 2025HadamRNN: Binary and Sparse Ternary Orthogonal RNNs28 Jan 2025
- 2024BEExformer: A Fast Inferencing Binarized Transformer with Early Exits6 Dec 2024
- 2024BiDense: Binarization for Dense Prediction15 Nov 2024
- 2024Towards Narrowing the Generalization Gap in Deep Boolean Networks6 Sep 2024
- 2024Sorbet: A Neuromorphic Hardware-Compatible Transformer-Based Spiking Language Model4 Sep 2024
- 2024Co-Designing Binarized Transformer and Hardware Accelerator for Efficient End-to-End Edge Deployment16 Jul 2024
- 2024Dynamical Mean-Field Theory of Self-Attention Neural Networks11 Jun 2024
- 2024SpikeLM: Towards General Spike-Driven Language Modeling via Elastic Bi-Spiking Mechanisms5 Jun 2024
- 2024Scalable MatMul-free Language Modeling4 Jun 2024
- 2024BOLD: Boolean Logic Deep Learning25 May 2024
- 2024FBPT: A Fully Binary Point Transformer15 Mar 2024
- 2024A Comprehensive Survey of Compression Algorithms for Language Models27 Jan 2024
- 2024BETA: Binarized Energy-Efficient Transformer Accelerator at the Edge22 Jan 2024
- 2023Attention or Convolution: Transformer Encoders in Audio Language Models for Inference Efficiency5 Nov 2023
- 2023BitNet: Scaling 1-bit Transformers for Large Language Models17 Oct 2023
- 2023PB-LLM: Partially Binarized Large Language Models29 Sep 2023
- 2023A Survey of Techniques for Optimizing Transformer Inference16 Jul 2023
- 2023Quantization Variation: A New Perspective on Training Transformers with Low-Bit Precision1 Jul 2023
- 2023BinaryViT: Pushing Binary Vision Transformers Towards Convolutional Models29 Jun 2023
- 2023ShiftAddViT: Mixture of Multiplication Primitives Towards Efficient Vision Transformer10 Jun 2023
- 2023Binary and Ternary Natural Language Generation2 Jun 2023
- 2023LLM-QAT: Data-Free Quantization Aware Training for Large Language Models29 May 2023
- 2023BinaryViT: Towards Efficient and Accurate Binary Vision Transformers24 May 2023
- 2023GSB: Group Superposition Binarization for Vision Transformer with Limited Training Samples13 May 2023
- 2023BPT: Binary Point Cloud Transformer for Place Recognition2 Mar 2023
- 2023A Comprehensive Review and a Taxonomy of Edge Machine Learning: Requirements, Paradigms, and Techniques16 Feb 2023
- 2023Binarized Neural Machine Translation9 Feb 2023
- 2023BiBench: Benchmarking and Analyzing Network Binarization26 Jan 2023
- 2022Efficient Speech Representation Learning with Low-Bit Quantization14 Dec 2022
- 2022BiViT: Extremely Compressed Binary Vision Transformer14 Nov 2022
50 newest of 51 All 51 (JSON)
- 2023LLM-QAT: Data-Free Quantization Aware Training for Large Language Modelscited by 320
- 2023BitNet: Scaling 1-bit Transformers for Large Language Modelscited by 175
- 2023PB-LLM: Partially Binarized Large Language Modelscited by 80
- 2025ParetoQ: Improving Scaling Laws in Extremely Low-bit LLM Quantizationcited by 44
- 2023A Survey of Techniques for Optimizing Transformer Inferencecited by 35
- 2024SpikeLM: Towards General Spike-Driven Language Modeling via Elastic Bi-Spiking Mechanismscited by 31
- 2022BiViT: Extremely Compressed Binary Vision Transformercited by 28
- 2023BiBench: Benchmarking and Analyzing Network Binarizationcited by 22
- 2024Scalable MatMul-free Language Modelingcited by 21
- 2023BinaryViT: Pushing Binary Vision Transformers Towards Convolutional Modelscited by 17
- 2023Quantization Variation: A New Perspective on Training Transformers with Low-Bit Precisioncited by 17
- 2024A Comprehensive Survey of Compression Algorithms for Language Modelscited by 15
12 most cited of 47 All 47 (JSON)
- 2026Layerwise Progressive Freezing: A Training Scaffold for Depth-Scalable Binary Networks26 Jun 2026
- 2026Otters++: A Time-to-first-spike Based Energy Efficient Optical Spiking Transformer11 Jun 2026
- 2026WinQ: Accelerating Quantization-Aware Training of Language Models Around Saddle Points17 May 2026
- 2026FAAR: Format-Aware Adaptive Rounding for NVFP423 Mar 2026
- 2026pQuant: Towards Effective Low-Bit Language Models via Decoupled Linear Quantization-Aware Training26 Feb 2026
- 2026Matterhorn: Masked Time-to-First-Spike Encoding by Reassigning the Silent State for Sparse and Energy-Efficient Spiking Transformers30 Jan 2026
- 2026SpikySpace: A Spiking State Space Model for Energy-Efficient Time Series Forecasting2 Jan 2026
- 2025FraQAT: Quantization Aware Training with Fractional bits16 Oct 2025
- 2025BiHDTrans: binary hyperdimensional transformer for efficient multivariate time series classification29 Sep 2025
- 2025Compute-Optimal Quantization-Aware Training26 Sep 2025
- 2025Otters: An Energy-Efficient SpikingTransformer via Optical Time-to-First-Spike Encoding23 Sep 2025
- 2025BiVM: Accurate Binarized Neural Network for Efficient Video Matting6 Jul 2025
12 newest of 47 All 47 (JSON)