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Task scheduling in distributed systems by work stealing and mugging - a simulation study

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2 Author(s)
Jovanovic, N. ; Dept. of Appl. Math. & Stat., State Univ. of New York, Stony Brook, NY, USA ; Bender, M.A.

We model and simulate the execution of parallel jobs represented by directed acyclic graphs on a system of networked distributed heterogeneous computers. We tested two online schedulers, the Enhanced Cilk Scheduler (ECS) and the Central Manager (CM). ECS is a decentralized scheduler, which implements work stealing and processor mugging techniques. CM is a centralized greedy scheduler. Our simulation results show that ECS is a well behaved scheduler particularly suited for scheduling task execution in dynamically changing systems because it is robust, requires little communication, and almost matches the performance of the CM scheduler.

Published in:

Information Technology Interfaces, 2002. ITI 2002. Proceedings of the 24th International Conference on

Date of Conference:

2002