Building real-time parallel task systems on multi-cores: A hierarchical scheduling approach.
Journal of Systems Architecture(2019)
摘要
Parallel real-time scheduling on multi-core platforms is widely studied and focused in academic and industrial fields. DAG (directed acyclic graph) is a widely-used parallel model. But existing scheduling algorithms for DAG suffer schedulability analysis of significant inaccuracy and resource waste. In this paper, we propose a hierarchical scheduling framework for DAG tasks with constrained deadlines that it provides a much more efficient resource sharing solution without distinguishing the types of tasks. We have evaluated and implemented our proposed hierarchical scheduling and the results show that our proposed method has promising performance.
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关键词
Hierarchical,Parallel,DAG,Scheduling,Real-time
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