Run LoRA Run: Faster and Lighter LoRA Implementations

• URL: http://arxiv.org/abs/2312.03415v2
• Date: Fri, 14 Jun 2024 14:36:45 GMT
• Title: Run LoRA Run: Faster and Lighter LoRA Implementations
• Authors: Daria Cherniuk, Aleksandr Mikhalev, Ivan Oseledets,
• Abstract summary: LoRA is a technique that reduces the number of trainable parameters in a neural network by introducing low-rank adapters to linear layers. This paper presents the RunLoRA framework for efficient implementations of LoRA. Experiments show up to 28% speedup on language modeling networks.
• Score: 50.347242693025336
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: LoRA is a technique that reduces the number of trainable parameters in a neural network by introducing low-rank adapters to linear layers. This technique is used both for fine-tuning and full training of large language models. This paper presents the RunLoRA framework for efficient implementations of LoRA that significantly improves the speed of neural network training and fine-tuning using low-rank adapters. The proposed implementation optimizes the computation of LoRA operations based on dimensions of corresponding linear layer, layer input dimensions and lora rank by choosing best forward and backward computation graph based on FLOPs and time estimations, resulting in faster training without sacrificing accuracy. The experimental results show up to 28\% speedup on language modeling networks.

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