首次系统分析具身AI Agent的性能瓶颈与优化路径
Generative AI in Embodied Systems: System-Level Analysis of Performance, Efficiency and Scalability
- 按四类范式分类具身智能体,全面评测各模块表现
- 发现规划延迟、通信耗时、提示爆炸等核心效率问题
- 为多智能体协作与系统扩展提供可落地的优化方案
具身系统通过集成感知、认知、行动与大语言模型驱动的高级推理能力,使生成式自主智能体在真实世界中完成复杂、长周期、多目标任务具有巨大潜力。然而,部署这些系统仍面临运行延迟长、可扩展性差、敏感度高等挑战,导致显著系统效率低下。本文旨在理解具身智能体系统的负载特性并探索优化方案。我们系统地将这些系统分为四类范式,并开展基准测试,评估其在不同模块、智能体规模和具身任务下的任务性能与系统效率。基准测试揭示了关键挑战:包括规划与通信延迟过长、智能体间冗余交互、底层控制机制复杂、内存不一致、提示长度激增、对自我修正与执行敏感、成功率随智能体数量增加而急剧下降,以及协作效率降低。基于这些剖析洞察,我们提出针对不同范式的系统优化策略,以提升具身智能体在性能、效率与可扩展性方面的表现。本文首次完成具身人工智能体的系统级分析,为未来具身系统设计提供了重要契机。
原文摘要 · Abstract (English)
Embodied systems, where generative autonomous agents engage with the physical world through integrated perception, cognition, action, and advanced reasoning powered by large language models (LLMs), hold immense potential for addressing complex, long-horizon, multi-objective tasks in real-world environments. However, deploying these systems remains challenging due to prolonged runtime latency, limited scalability, and heightened sensitivity, leading to significant system inefficiencies. In this paper, we aim to understand the workload characteristics of embodied agent systems and explore optimization solutions. We systematically categorize these systems into four paradigms and conduct benchmarking studies to evaluate their task performance and system efficiency across various modules, agent scales, and embodied tasks. Our benchmarking studies uncover critical challenges, such as prolonged planning and communication latency, redundant agent interactions, complex low-level control mechanisms, memory inconsistencies, exploding prompt lengths, sensitivity to self-correction and execution, sharp declines in success rates, and reduced collaboration efficiency as agent numbers increase. Leveraging these profiling insights, we suggest system optimization strategies to improve the performance, efficiency, and scalability of embodied agents across different paradigms. This paper presents the first system-level analysis of embodied AI agents, and explores opportunities for advancing future embodied system design.
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