Low-rank pre-training methods converge to geometrically and spectrally distinct basins and show diverging activations compared to full-rank training at 60M-350M scales.
Flat-lora: Low-rank adaptation over a flat loss landscape
4 Pith papers cite this work. Polarity classification is still indexing.
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Flatness Preference Optimization (FlatPO) improves multimodal PEFT generalization by flattening a small set of sharp dimensions that dominate performance.
GAIN's multiplicative modulation preserves pretrained weight column spans during sequential domain adaptation, yielding 7-13% better prior-domain perplexity than LoRA across 774M-70B models while matching replay-augmented baselines without storing data.
Alpha in LoRA outperforms learning-rate scaling, follows a square-root law with rank, and enables a minimalist LoRA-alpha method that improves performance across tasks.
citing papers explorer
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Beyond Perplexity: A Geometric and Spectral Study of Low-Rank Pre-Training
Low-rank pre-training methods converge to geometrically and spectrally distinct basins and show diverging activations compared to full-rank training at 60M-350M scales.
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5% > 100%: Flatness Preference is All You Need for Multimodal Parameter-Efficient Fine-Tuning
Flatness Preference Optimization (FlatPO) improves multimodal PEFT generalization by flattening a small set of sharp dimensions that dominate performance.
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GAIN: Multiplicative Modulation for Domain Adaptation
GAIN's multiplicative modulation preserves pretrained weight column spans during sequential domain adaptation, yielding 7-13% better prior-domain perplexity than LoRA across 774M-70B models while matching replay-augmented baselines without storing data.
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The Hidden Power of Scaling Factor in LoRA Optimization
Alpha in LoRA outperforms learning-rate scaling, follows a square-root law with rank, and enables a minimalist LoRA-alpha method that improves performance across tasks.