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A scalable time-sharing scheduling for partitionable distributed memory parallel machines

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5 Author(s)
Hori, A. ; Real World Comput. Partnership, Tsukuba Res. Center, Ibaraki, Japan ; Maeda, M. ; Ishikawa, Y. ; Tomokiyo, T.
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We propose a new process scheduling queue system called the distributed queue tree (DQT) for a distributed memory, dynamically partitionable parallel machines. We assume that partitions can be nested dynamically and that a process in a partition can be preempted. The combination of dynamically nested partitioning and time-sharing scheduling may provide an interactive environment and higher processor utilization. The key idea of DQT is to distribute process scheduling queues to each partition. We propose a round-robin scheduling algorithm and several task allocation policies on DQT. The simulation results show that time-sharing with DQT results in better processor utilization than that available from batch scheduling in high-load situations

Published in:

System Sciences, 1995. Proceedings of the Twenty-Eighth Hawaii International Conference on  (Volume:2 )

Date of Conference:

3-6 Jan 1995

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