Analyzing resource interdependencies in multi-core architectures to improve scheduling decisions

Analyzing resource interdependencies in multi-core architectures to improve scheduling decisions
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分析多核架构中的资源相互依赖性以改进调度决策

DOI:
10.1145/2480362.2480661
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Jan Richling
Jan Richling
中科院分区:
--
文献类型:
--
作者:
Busse ;Anselm;J An H. Schönherr;Matthias Diener;Gero Mühl;Jan Richling

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自从多核处理器出现以来,不同的多核系统,特别是处理器架构已经出现,表现出各自的优点和缺点。这些架构之间的主要区别因素之一是它们在各个核心之间的不同程度和类型的资源共享。一方面,资源共享是核心通信所必需的,而另一方面,资源共享通常用于经济原因。根据程度和类型的资源共享,对性能的影响取决于应用的工作量,可以变化到一个很大的extend.In本文中,我们调查的影响,不同种类的资源的相互依赖关系,发现在当前的处理器上的调度策略的性能,使用一组基准。我们的研究结果表明,该体系结构的进程布局策略的性能有重大影响。然而,他们也指出,只考虑到一些基本的架构特征的简单策略是不够的。因此,新的整体调度策略需要考虑更多的特点。
Since the advent of multi-core processors, different multi-core system and in particular processor architectures have emerged exhibiting individual advantages and disadvantages. One of the main distinguishing factors among these architectures is their varying degree and type of resource sharing among individual cores. On the one hand, resource sharing is necessary for the cores to communicate, while on the other hand resource sharing is often used for economic reasons. Depending on the degree and type of resource sharing, the impact on performance depends on the workload applied and can vary to a large extend.In this paper, we investigate the impact of different kinds of resource interdependencies found in current processors on the performance of scheduling strategies using a set of benchmarks. Our results show that the architecture has a major impact on the performance of a process placement strategy. However, they also point out that simple strategies taking only a few basic architectural characteristics into account fall short. Thus, new holistic scheduling strategies are needed that take more characteristics into account.
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