Computer Science > Distributed, Parallel, and Cluster Computing
[Submitted on 16 Nov 2022 (v1), last revised 18 Nov 2022 (this version, v2)]
Title:Bounding the Response Time of DAG Tasks Using Long Paths
View PDFAbstract:In 1969, Graham developed a well-known response time bound for a DAG task using the total workload and the longest path of the DAG, which has been widely applied to solve many scheduling and analysis problems of DAG-based task systems. This paper presents a new response time bound for a DAG task using the total workload and the lengths of multiple long paths of the DAG, instead of the longest path in Graham's bound. Our new bound theoretically dominates and empirically outperforms Graham's bound. We further extend the proposed approach to multi-DAG task systems. Our schedulability test theoretically dominates federated scheduling and outperforms the state-of-the-art by a considerable margin.
Submission history
From: Qingqiang He [view email][v1] Wed, 16 Nov 2022 09:56:09 UTC (1,149 KB)
[v2] Fri, 18 Nov 2022 03:01:03 UTC (1,149 KB)
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