한국정보처리학회논문지 (The Transactions of the Korea Information Processing Society)

한국정보처리학회 (Korea Information Processing Society)
권호 표지

다중 처리기 시스템을 위한 효율적인 리스트 스케줄링 알고리듬

An Efficient List Scheduling Algorithm for Multiprocesor Systems

  • 박경린 (제주대학교 전산통계학과) ;
  • 추현승 (성균관대학교 전기전자 및 컴퓨터공학부) ;
  • 이정훈 (제주대학교 전산통계학과)
  • 발행 : 2000.07.01
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초록

Scheduling parallel tasks, represented as a Directed Acyclic Graph (DAG) or task graph, on a multiprocessor system has been an important research area in the past decades. List scheduling algorithms assign priorities to a node or an edge in an input DAG, and then generate a schedule according to the assigned priorities. This appear proposes a list scheduling algorithms with effective method of priority assignments. The paper also analyzes the worst case performance and optimality condition for the proposed algorithm. The performance comparison study shows that the proposed algorithms outperforms existing scheduling algorithms especially for input DAGs with high communication overheads. The performance improvement over existing algorithms becomes larger as the input DAG becomes more dense and the level of parallelism in the DAG is increased.

키워드

참고문헌

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