SWFSim: development and use of GUI-based scientific workflow simulator Online publication date: Tue, 15-Nov-2016
by Harshadkumar B. Prajapati; Vipul A. Shah
International Journal of Planning and Scheduling (IJPS), Vol. 2, No. 3, 2016
Abstract: Since the beginning of grid computing, solving the problem of scheduling of dependent tasks application, which is known as scientific workflow and represented as a directed acyclic graph (DAG), has remained an active area of research due to its NP-complete nature. However, researchers find difficulties in working on workflow scheduling aspect due to complexities associated with uses of a real grid environment or a simulation tool that is not user-friendly. Thus, there is a need of user-friendly and extensible simulation environment supporting scheduling of workflow application, and to answer that limitation, we have put our efforts to develop a GUI-based scientific WorkFlow simulator (SWFSim). This article describes design and implementation of modular, extensible, user-friendly, portable DAG application scheduling simulator that can be used for studying static scheduling algorithms. Furthermore, the article also demonstrates the versatility of SWFSim by implementing and experimenting well-known and widely used scheduling algorithms.
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