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pd-gem5: Simulation Infrastructure for Parallel/Distributed Computer Systems

机译：pd-gem5：并行/分布式计算机系统的仿真基础结构

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摘要

Improving the performance and power efficiency of a single processor has been fraught with various challenges stemming from the end of the classical technology scaling. Thus, the importance of efficiently running applications on a parallel/distributed computer system has continued to increase. In developing and optimizing such a parallel/distributed computer system, it is critical to study the impact of the complex interplay amongst processor, node, and network architectures on performance and power efficiency in detail. This necessitates a flexible, detailed and open-source full-system simulation infrastructure. However, our community lacks such an infrastructure. In this paper, we present pd-gem5, a gem5-based infrastructure that can model and simulate a parallel/distributed computer system using multiple simulation hosts. Our experiment shows that pd-gem5 running on six simulation hosts speeds up the simulation of a 24-node computer system up to 3.2× compared with running on a single simulation host.
机译：从经典技术扩展的末期开始，提高单个处理器的性能和电源效率一直面临着各种挑战。因此，在并行/分布式计算机系统上有效运行应用程序的重要性一直在增加。在开发和优化这种并行/分布式计算机系统时，至关重要的是详细研究处理器，节点和网络体系结构之间复杂的相互作用对性能和电源效率的影响。这需要灵活，详细和开放源代码的全系统仿真基础结构。但是，我们的社区缺乏这样的基础设施。在本文中，我们介绍了pd-gem5，这是一个基于gem5的基础架构，可以使用多个仿真主机对并行/分布式计算机系统进行建模和仿真。我们的实验表明，与在单个仿真主机上运行相比，在六个仿真主机上运行的pd-gem5可以将24节点计算机系统的仿真速度提高3.2倍。

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