RDP-selected 13 layers for LoRA on Qwen3-8B-Base reach 81.67% on MMLU-Math, beating full 36-layer adaptation at 79.32% and random 13-layer selection at 75.56%.
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RDP LoRA: Geometry-Driven Identification for Parameter-Efficient Adaptation in Large Language Models
RDP-selected 13 layers for LoRA on Qwen3-8B-Base reach 81.67% on MMLU-Math, beating full 36-layer adaptation at 79.32% and random 13-layer selection at 75.56%.