IntLoRA: Integral Low-rank Adaptation of Quantized Diffusion Models
On the map: Diffusion models → Diffusion foundations and sampling
Abstract (arXiv)
Fine-tuning pre-trained diffusion models under limited budgets has gained great success. In particular, the recent advances that directly fine-tune the quantized weights using Low-rank Adaptation (LoRA) further reduces training costs. Despite these progress, we point out that existing adaptation recipes are not inference-efficient. Specifically, additional post-training quantization (PTQ) on tuned weights is needed during deployment, which results in noticeable performance drop when the bit-width is low. Based on this observation, we introduce IntLoRA, which adapts quantized diffusion models with integer-type low-rank parameters, to include inference efficiency during tuning. Specifically, IntLoRA enables pre-trained weights to remain quantized during training, facilitating fine-tuning on consumer-level GPUs. During inference, IntLoRA weights can be seamlessly merged into pre-trained weights to directly obtain quantized downstream weights without PTQ. Extensive experiments show our IntLoRA achieves significant speedup on both training and inference without losing performance.
Key facts. Cited by 10 papers in the map (data through 14 Oct 2026). Placed in Diffusion foundations and sampling, one of 14 directions in Diffusion models. Builds on 48 of its 55 references that are in the map. First posted on arXiv 29 Oct 2024.
Builds on
48 of 55 references.
Closest ancestors · 7
Same direction, newest first
- 2023TFMQ-DM: Temporal Feature Maintenance Quantization for Diffusion Models27 Nov
- 2023EfficientDM: Efficient Quantization-Aware Fine-Tuning of Low-Bit Diffusion Models5 Oct
- 2023SDXL: Improving Latent Diffusion Models for High-Resolution Image Synthesis4 Jul
- 2023PTQD: Accurate Post-Training Quantization for Diffusion Models18 May
- 2023Q-Diffusion: Quantizing Diffusion Models8 Feb
- 2022Post-training Quantization on Diffusion Models28 Nov
- 2021High-Resolution Image Synthesis with Latent Diffusion Models20 Dec
Other references · 41
- 2017Attention Is All You Needcited by 60,361
- 2021Learning Transferable Visual Models From Natural Language Supervisioncited by 33,744
- 2014Microsoft COCO: Common Objects in Contextcited by 17,608
- 2024The Llama 3 Herd of Modelscited by 14,715
- 2021LoRA: Low-Rank Adaptation of Large Language Modelscited by 14,380
- 2018The Unreasonable Effectiveness of Deep Features as a Perceptual Metriccited by 11,177
- 2021Training Verifiers to Solve Math Word Problemscited by 10,109
- 2021Emerging Properties in Self-Supervised Vision Transformerscited by 6,968
- 2022Hierarchical Text-Conditional Image Generation with CLIP Latentscited by 6,585
- 2022Photorealistic Text-to-Image Diffusion Models with Deep Language Understandingcited by 6,355
- 2023Adding Conditional Control to Text-to-Image Diffusion Modelscited by 5,503
- 2019Parameter-Efficient Transfer Learning for NLPcited by 4,236
29 more
- 2021Prefix-Tuning: Optimizing Continuous Prompts for Generationcited by 3,915
- 2023QLoRA: Efficient Finetuning of Quantized LLMscited by 3,418
- 2022DreamBooth: Fine Tuning Text-to-Image Diffusion Models for Subject-Driven Generationcited by 3,300
- 2017Progressive Growing of GANs for Improved Quality, Stability, and Variationcited by 2,988
- 2022Visual Prompt Tuningcited by 1,681
- 2017Quantization and Training of Neural Networks for Efficient Integer-Arithmetic-Only Inferencecited by 1,593
- 2021BitFit: Simple Parameter-efficient Fine-tuning for Transformer-based Masked Language-modelscited by 1,245
- 2022Exploring CLIP for Assessing the Look and Feel of Imagescited by 991
- 2021Towards a Unified View of Parameter-Efficient Transfer Learningcited by 872
- 2023MetaMath: Bootstrap Your Own Mathematical Questions for Large Language Modelscited by 735
- 2022AdaptFormer: Adapting Vision Transformers for Scalable Visual Recognitioncited by 719
- 2019Learned Step Size Quantizationcited by 628
- 2020Up or Down? Adaptive Rounding for Post-Training Quantizationcited by 621
- 2021BRECQ: Pushing the Limit of Post-Training Quantization by Block Reconstructioncited by 479
- 2021A White Paper on Neural Network Quantizationcited by 472
- 2022Scaling & Shifting Your Features: A New Baseline for Efficient Model Tuningcited by 294
- 2023Controlling Text-to-Image Diffusion by Orthogonal Finetuningcited by 208
- 2023StyleDrop: Text-to-Image Generation in Any Stylecited by 199
- 2022QDrop: Randomly Dropping Quantization for Extremely Low-bit Post-Training Quantizationcited by 180
- 2023QA-LoRA: Quantization-Aware Low-Rank Adaptation of Large Language Modelscited by 155
- 2022FacT: Factor-Tuning for Lightweight Adaptation on Vision Transformercited by 133
- 2023Parameter-Efficient Orthogonal Finetuning via Butterfly Factorizationcited by 114
- 2022Q-ViT: Accurate and Fully Quantized Low-bit Vision Transformercited by 108
- 2019Loss Aware Post-training Quantizationcited by 97
- 2023One-for-All: Generalized LoRA for Parameter-Efficient Fine-tuningcited by 85
- 2022PD-Quant: Post-Training Quantization based on Prediction Difference Metriccited by 73
- 2024SliM-LLM: Salience-Driven Mixed-Precision Quantization for Large Language Modelscited by 63
- 2024Accurate LoRA-Finetuning Quantization of LLMs via Information Retentioncited by 41
- 2023Q-DETR: An Efficient Low-Bit Quantized Detection Transformercited by 24
Built on by
Citing papers per year: 2024: 1; 2025: 5; 2026: 4.
10 papers.
- 2025EEdit: Rethinking the Spatial and Temporal Redundancy for Efficient Image Editingcited by 45
- 2025FastVAR: Linear Visual Autoregressive Modeling via Cached Token Pruningcited by 34
- 2025Diffusion Model Quantization: A Reviewcited by 6
- 2026AdaCluster: Adaptive Query-Key Clustering for Sparse Attention in Video Generationcited by 6
- 2025LoTA-QAF: Lossless Ternary Adaptation for Quantization-Aware Fine-Tuningcited by 5
- 2026Q-Drift: Quantization-Aware Drift Correction for Diffusion Model Samplingcited by 4
- 2024Filterless Snapshot Hyperspectral Imaging using Guided Patch Diffusioncited by 1
- 2025FALQON: Accelerating LoRA Fine-tuning with Low-Bit Floating-Point Arithmeticcited by 1
- 2026LoRA-Key: User-Centric LoRA Watermarking for Text-to-Image Diffusion Modelscited by 1
- 2026In-Cell Learning: Language Models That Update Their Own Weights in Sequence Without Changing the File They Shipcited by 1
- 2026In-Cell Learning: Language Models That Update Their Own Weights in Sequence Without Changing the File They Ship21 Aug 2026
- 2026LoRA-Key: User-Centric LoRA Watermarking for Text-to-Image Diffusion Models28 May 2026
- 2026AdaCluster: Adaptive Query-Key Clustering for Sparse Attention in Video Generation20 Apr 2026
- 2026Q-Drift: Quantization-Aware Drift Correction for Diffusion Model Sampling18 Mar 2026
- 2025FALQON: Accelerating LoRA Fine-tuning with Low-Bit Floating-Point Arithmetic28 Oct 2025
- 2025LoTA-QAF: Lossless Ternary Adaptation for Quantization-Aware Fine-Tuning24 May 2025
- 2025Diffusion Model Quantization: A Review8 May 2025
- 2025FastVAR: Linear Visual Autoregressive Modeling via Cached Token Pruning30 Mar 2025
- 2025EEdit: Rethinking the Spatial and Temporal Redundancy for Efficient Image Editing13 Mar 2025
- 2024Filterless Snapshot Hyperspectral Imaging using Guided Patch Diffusion3 Dec 2024
Similar, not cited
Close in wording, no citation either way
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- 2025Pioneering 4-Bit FP Quantization for Diffusion Models: Mixup-Sign Quantization and Timestep-Aware Fine-Tuning
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- 2024QuEST: Low-bit Diffusion Model Quantization via Efficient Selective Finetuning
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