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On the impact of dynamic task scheduling in heterogeneous MPSoCs

机译:动态任务调度对异构MPSoC的影响

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This paper analyzes the impact of dynamic task scheduling, processing element allocation and data transfer management on system performance of heterogeneous MPSoCs. Therefore, all parts of a runtime scheduling unit are analyzed. Bottlenecks are identified and their complexity evaluated. Furthermore, traced information is processed with two newly introduced tools. The first one generates an annotated SDF3 file. The second one creates a static schedule which applies the same scheduling and allocation decision as the dynamic scheduler. The execution of the static schedule reduces the burden of task management to a minimum. The resulting static execution is compared with the execution of the dynamic schedule. Hence, runtime overhead of dynamic scheduling is unveiled.
机译:本文分析了动态任务调度,处理元素分配和数据传输管理对异构MPSoC的系统性能的影响。因此,分析了运行时调度单元的所有部分。鉴定瓶颈并评估其复杂性。此外,通过两个新引入的工具处理跟踪信息。第一个生成带注释的SDF3文件。第二个创建一个静态计划,该计划将与动态调度器相同的调度和分配决策应用。静态计划的执行将任务管理的负担降低到最小值。将得到的静态执行与动态时间表的执行进行了比较。因此,揭开了动态调度的运行时开销。

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