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News/Finer Parameter Steps for Low-Rank PEFT: A Controlled Study with CP Tensor Adapters
arxiv
PublishedJune 2, 2026 at 4:00 AM

Finer Parameter Steps for Low-Rank PEFT: A Controlled Study with CP Tensor Adapters

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arXiv:2606.00428v1 Announce Type: cross Abstract: Low-rank adapters are usually compared by sweeping a small set of ranks, but the rank also fixes the resolution of the parameter budget. For a $2048{\times}2048$ OPT attention projection, increasing LoRA by one rank stores $4096$ trainable scalars, l

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