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Synchronised range queries

机译:同步范围查询

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摘要

Computer simulations have been used more than ever before to embark on developing and understanding complex systems such as Multi-Agent Systems (MAS). As simulation systems become larger and more complex, scalability becomes an important issue for their successful deployment. PDES-MAS (Parallel and Discrete Event Simulations for Multi-Agent Systems) framework is, implemented based on distributed shared memory architecture, a parallel and discrete event simulation kernel to distribute and run parallel simulation of Multi-Agent Systems (MAS). There are several issues within such system and this thesis presents a notion of logical time synchronised range queries to address the issue of data access. Accessing data efficiently in a latency-sensitive and large scale network overlay is a vital requirement for the scalability of the system. So, this thesis presents a notion of synchronised range queries with algorithms to manage distributed data structures consistently and in a time ordered fashion across the system. To localise data access in such a large scale simulation system, algorithms are provided to distribute shared state such that the distribution reflects access patterns of simulating nodes. The algorithms are evaluated within the implementation of PDES-MAS framework using various agent based simulation traces.
机译:计算机仿真已比以往任何时候都更多地用于开发和理解复杂的系统,例如多代理系统(MAS)。随着仿真系统变得越来越大,越来越复杂,可伸缩性成为其成功部署的重要问题。 PDES-MAS(用于多智能体系统的并行和离散事件模拟)框架是基于分布式共享内存体系结构,并行和离散事件模拟内核实现的,用于分发和运行多智能体系统(MAS)的并行模拟。在这样的系统中存在多个问题,并且本文提出了逻辑时间同步范围查询的概念以解决数据访问的问题。在对延迟敏感的大规模网络覆盖中有效访问数据是系统可伸缩性的重要要求。因此,本文提出了一种同步范围查询的概念,该算法采用算法来在整个系统中按时间顺序一致地管理分布式数据结构。为了在这样的大规模仿真系统中定位数据访问,提供了用于分配共享状态的算法,以使得该分配反映了仿真节点的访问模式。在PDES-MAS框架的实现中,使用各种基于代理的模拟跟踪对算法进行了评估。

著录项

  • 作者

    Suryanarayanan Vinoth;

  • 作者单位
  • 年度 2012
  • 总页数
  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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