Adapting LLMs for Efficient Context Processing through Soft Prompt Compression

• URL: http://arxiv.org/abs/2404.04997v2
• Date: Thu, 18 Apr 2024 23:23:53 GMT
• Title: Adapting LLMs for Efficient Context Processing through Soft Prompt Compression
• Authors: Cangqing Wang, Yutian Yang, Ruisi Li, Dan Sun, Ruicong Cai, Yuzhu Zhang, Chengqian Fu, Lillian Floyd,
• Abstract summary: This article presents an innovative framework that strategically tailors Large Language Models for streamlined context processing. Our methodology, dubbed SoftPromptComp, amalgamates natural language prompts with dynamically generated soft prompts to forge a concise yet semantically robust depiction of protracted contexts. We substantiate that our framework markedly diminishes computational overhead and enhances LLMs' efficacy across various benchmarks.
• Score: 1.1550486371582305
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: The rapid advancement of Large Language Models (LLMs) has inaugurated a transformative epoch in natural language processing, fostering unprecedented proficiency in text generation, comprehension, and contextual scrutiny. Nevertheless, effectively handling extensive contexts, crucial for myriad applications, poses a formidable obstacle owing to the intrinsic constraints of the models' context window sizes and the computational burdens entailed by their operations. This investigation presents an innovative framework that strategically tailors LLMs for streamlined context processing by harnessing the synergies among natural language summarization, soft prompt compression, and augmented utility preservation mechanisms. Our methodology, dubbed SoftPromptComp, amalgamates natural language prompts extracted from summarization methodologies with dynamically generated soft prompts to forge a concise yet semantically robust depiction of protracted contexts. This depiction undergoes further refinement via a weighting mechanism optimizing information retention and utility for subsequent tasks. We substantiate that our framework markedly diminishes computational overhead and enhances LLMs' efficacy across various benchmarks, while upholding or even augmenting the caliber of the produced content. By amalgamating soft prompt compression with sophisticated summarization, SoftPromptComp confronts the dual challenges of managing lengthy contexts and ensuring model scalability. Our findings point towards a propitious trajectory for augmenting LLMs' applicability and efficiency, rendering them more versatile and pragmatic for real-world applications. This research enriches the ongoing discourse on optimizing language models, providing insights into the potency of soft prompts and summarization techniques as pivotal instruments for the forthcoming generation of NLP solutions.

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