Block Circulant Adapter (BCA) fine-tunes LLMs with block circulant weight matrices, matching LoRA/FourierFT task performance while using fewer parameters than LoRA and fewer FLOPs than FourierFT.
Parameter-efficient fine-tuning with discrete fourier trans- form
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Block Circulant Adapter for Large Language Models
Block Circulant Adapter (BCA) fine-tunes LLMs with block circulant weight matrices, matching LoRA/FourierFT task performance while using fewer parameters than LoRA and fewer FLOPs than FourierFT.