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Study finds LoRA rank 16 optimal for text-to-SQL on small models

A study on a 60M-parameter T5-small model explored the trade-offs between LoRA rank, target modules, and quantization for text-to-SQL tasks. The research found that a LoRA rank of 16 could recover significant accuracy while training fewer than 1% of parameters and reducing peak GPU memory by 31%. Further increases in rank beyond 16 did not yield measurable accuracy gains. The study also demonstrated that QLoRA with INT8 and NF4 quantization offered comparable accuracy at substantially lower memory costs, presenting a viable option for memory-constrained applications. AI

IMPACT Provides insights into optimizing parameter-efficient fine-tuning for smaller models, crucial for resource-constrained AI deployments.

RANK_REASON Academic paper detailing a controlled study on model efficiency. [lever_c_demoted from research: ic=1 ai=1.0]

Read on Hugging Face Daily Papers →

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Study finds LoRA rank 16 optimal for text-to-SQL on small models

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  1. Hugging Face Daily Papers TIER_1 English(EN) ·

    How Small Can You Go? A Controlled Study of LoRA Rank, Target Modules, and Quantization Trade-offs for Text-to-SQL on a 60M-Parameter Model

    Parameter-efficient fine-tuning (PEFT) and low-bit quantization are now standard tools for adapting language models under tight compute budgets, yet their interaction is most often studied on billion-parameter models where the design space is expensive to explore. We ask a comple…