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arXiv 2605.09018cs.NEcs.AIcs.LG

进化代理群体

Evolving Ensemble of Agents

National University of Singapore(新加坡国立大学)

Zongmin Yu, Liu Yang

AI总结:

本文提出EvE框架,通过进化编码代理群体实现算法发现,解决了传统方法的局限,展示了自修正群体在复杂代码库中的优势。

摘要:

我们介绍了Evolutionary Ensemble (EvE),一种去中心化的框架,将现有高能力的编码代理组织成一个活的、共同进化的系统,用于算法发现。与在'大语言模型作为优化器'范式中重新发明轮子不同,EvE固定基础代理基质,完全专注于进化决定代理行为的累积指导和技能。通过维持两个共同进化的种群,即功能代码求解器和代理指导状态,系统通过同步竞赛评估代理,根据其对当前求解器状态的边际增益更新其经验Elo评分。当应用于In-Context Operator Networks (ICON) 的研究瓶颈时,EvE 自动发现了一种鲁棒的重标度后插值机制,使可靠的示例计数泛化成为可能。关键的是,受控消融揭示了阶段依赖的代理适应对于导航复杂代码库的动态搜索景观的绝对必要性。与由固定初始代理或甚至冻结的'最佳进化'代理驱动的变体相比,EvE 唯一避免了相位不匹配,证明了将代理组织成自修正群体是突破静态性能上限的根本驱动力。

英文摘要:

We introduce the Evolving Ensemble of Agents (EvE), a decentralized framework that organizes existing, highly capable coding agents into a live, co-evolving system for algorithmic discovery. Rather than reinventing the wheel within the ``LLMs as optimizers'' paradigm, EvE fixes the base agent substrate and focuses entirely on evolving the cumulative guidance and skills that dictate agent behaviors. By maintaining two co-evolving populations, namely functional code solvers and agent guidance states, the system evaluates agents through a synchronous race, updating their empirical Elo ratings based on the marginal gains they contribute to the current solver state. When applied to a research bottleneck in In-Context Operator Networks (ICON), EvE autonomously discovered a robust rescale-then-interpolate mechanism that enables reliable example-count generalization. Crucially, controlled ablations reveal the absolute necessity of stage-dependent agent adaptation to navigate the shifting search landscapes of complex codebases. Compared to variants driven by a fixed initial agent or even a frozen ``best-evolved'' agent, EvE uniquely avoids phase mismatch, demonstrating that organizing agents into a self-revising ensemble is the fundamental driver for breaking through static performance ceilings.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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