English

LoRA-Mini : Adaptation Matrices Decomposition and Selective Training

Computation and Language 2024-11-26 v1 Artificial Intelligence Machine Learning

Abstract

The rapid advancements in large language models (LLMs) have revolutionized natural language processing, creating an increased need for efficient, task-specific fine-tuning methods. Traditional fine-tuning of LLMs involves updating a large number of parameters, which is computationally expensive and memory-intensive. Low-Rank Adaptation (LoRA) has emerged as a promising solution, enabling parameter-efficient fine-tuning by reducing the number of trainable parameters. However, while LoRA reduces the number of trainable parameters, LoRA modules still create significant storage challenges. We propose LoRA-Mini, an optimized adaptation of LoRA that improves parameter efficiency by splitting low-rank matrices into four parts, with only the two inner matrices being trainable. This approach achieves upto a 20x reduction compared to standard LoRA in the number of trainable parameters while preserving performance levels comparable to standard LoRA, addressing both computational and storage efficiency in LLM fine-tuning.

Keywords

Cite

@article{arxiv.2411.15804,
  title  = {LoRA-Mini : Adaptation Matrices Decomposition and Selective Training},
  author = {Ayush Singh and Rajdeep Aher and Shivank Garg},
  journal= {arXiv preprint arXiv:2411.15804},
  year   = {2024}
}

Comments

11 pages

R2 v1 2026-06-28T20:10:26.500Z