1. 基于G-EDF 的 DAG 并行任务多核响应时间分析.
- Author
-
韩美灵, 邓庆绪, 张天宇, and 林宇晗
- Subjects
- *
TASK analysis , *MULTIPROCESSORS , *DEADLINES - Abstract
Since the self-structure of the DAG(directed acyclic graph)task is not considered, the schedulability analysis of the DAG parallel task model based on G-EDF(global earliest deadline first)is very pessimistic. The response time analysis of the DAG task set under the G-EDF scheduling strategy in multiprocessor systems was studied in this paper. First, a more accurate carry-in workload estimation method was proposed for the execution of the carry-in task instance. Then a method for estimating the problem window workload of completion time was put forward based on the carry-in workload estimation method. Based on the two proposed methods, this paper proposed a response time analyzing method to derive a response time upper bound of each task. The experiments show that the proposed method outperforms the state-of-the-art method by at least 15% and at most 25%. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF