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About this paper

Xiangchen Cheng, Yunwei Jiang, Jianwen Sun, Zizhen Li, Chuanhao Li, Xiangcheng Cao, Yihao Liu, Fanrui Zhang and 2 more

A new framework for long-horizon LLM agents introduces a bounded-memory contract, preventing unbounded context growth by using per-decision typed retrieval. This approach demonstrates enhanced performance and operational efficiency for agents navigating the complex, stochastic Slay the Spire 2 game environment.

Key insights

  • Explicitly structured and typed memory layers, particularly L5 strategic skills, provide substantial performance improvements for LLM agents in long-horizon, stochastic environments.
  • A bounded-memory contract significantly reduces token costs and execution time while improving agent performance compared to traditional accumulating-context approaches.
  • The effectiveness of a pre-trained memory stack (L4+L5) can vary considerably across different LLM backbones, highlighting the importance of backbone compatibility in agent design.

Summary by alphaXiv.

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