LPM encodes personal history as N latent slots projected by cross-attention into input-conditioned soft prompts for frozen LLMs, reporting up to 8.8% higher accuracy than LoRA and 64x lower KV-cache on PersonaMem v1 plus matching LoRA accuracy with 120x fewer parameters on LoCoMo.
and Popa, Raluca Ada
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Latent Personal Memory: Represent personal memory as dynamic soft prompts
LPM encodes personal history as N latent slots projected by cross-attention into input-conditioned soft prompts for frozen LLMs, reporting up to 8.8% higher accuracy than LoRA and 64x lower KV-cache on PersonaMem v1 plus matching LoRA accuracy with 120x fewer parameters on LoCoMo.