TOWARDS MAXIMIZING THROUGHPUT FOR MULTITHREADED PROCESSES IN LINUX

S. Mostafa, S. Kusakabe
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引用次数: 3

Abstract

CPU scheduler is a very important key concept in operating system which affects scheduling objectives and criteria. Choosing or modifying scheduling policy for running threads depends on predefined and specific objectives and criteria. In this paper, we investigate the effectiveness of thread weight readjustment scheduler (TWRS) for multithreaded processes in multitasking operating systems from the view point of throughput. TWRS is a proportional share CPU scheduler designed for scheduling multithreaded processes. In this work, we make change kernel performance significantly by modifying just few key parameters. We propose TWRS which preallocates certain amount of CPU time to each thread of the multi-threaded processes. The scheduler was implemented and evaluated under specific hardware and software environment. According to our evaluation results, our scheduler is promising to optimize some scheduling criteria.
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在Linux中最大化多线程进程的吞吐量
CPU调度器是操作系统中一个非常重要的关键概念,它直接影响到调度目标和调度标准。为正在运行的线程选择或修改调度策略取决于预定义的和特定的目标和标准。本文从吞吐量的角度研究了多任务操作系统中多线程进程的线程权重调整调度程序(TWRS)的有效性。TWRS是一个为调度多线程进程而设计的比例共享CPU调度程序。在这项工作中,我们通过修改几个关键参数来显著改变内核性能。我们提出TWRS,它为多线程进程的每个线程预先分配一定的CPU时间。在特定的硬件和软件环境下对调度程序进行了实现和评估。根据我们的评估结果,我们的调度程序有希望优化一些调度标准。
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