QLoRA: Efficient Finetuning of Quantized LLMs

作者： Tim Dettmers, Artidoro Pagnoni, Ari Holtzman, Luke Zettlemoyer (2023)

arXiv： 2305.14314

领域

对齐推理

TLDR（中文）

4-bit NF4 + LoRA + paged optimizer，让 65B 在单张 48GB 显卡上 SFT。开源社区微调 LLaMA-2/3、Qwen 几乎 100% 用这套方案。

TLDR (English)

4-bit NF4 + LoRA + paged optimizer enables SFT of 65B on single 48GB GPU. Open-source community fine-tuning of LLaMA-2/3, Qwen uses this approach almost 100%.

出现在这些文章里

• KV Cache 与量化：让大模型跑得更快
• KV Cache and Quantization: Making Large Models Faster

同被引用

这些论文与本文出现在同一篇文章中

• LLM.int8(): 8-bit Matrix Multiplication for Transformers at Scale Tim Dettmers et al. (2022)
• GPTQ: Accurate Post-Training Quantization for Generative Pre-trained Transformers Elias Frantar et al. (2022)
• Efficient Memory Management for Large Language Model Serving with PagedAttention Woosuk Kwon et al. (2023)
• AWQ: Activation-aware Weight Quantization for LLM Compression and Acceleration Ji Lin et al. (2023)

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