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Journal Articles Future Generation Computer Systems Year : 2013

OpenMOLE, a workflow engine specifically tailored for the distributed exploration of simulation models

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Abstract

Complex-systems describe multiple levels of collective structure and organization. In such systems, the emergence of global behaviour from local interactions is generally studied through large scale experiments on numerical models. This analysis generates important computation loads which require the use of multi-core servers, clusters or grid computing. Dealing with such large scale executions is especially challenging for modellers who don't possess the theoretical and methodological skills required to take advantage of high performance computing environments. That's why we have designed a cloud approach for model experimentation. This approach has been implemented in OpenMOLE (Open MOdel Experiment) as a Domain Specific Language (DSL) that leverages the naturally parallel aspect of model experiments. The OpenMOLE DSL has been designed to explore user-supplied models. It delegates transparently their numerous executions to remote execution environment. From a user perspective, those environments are viewed as services providing computing power, therefore no technical detail is ever exposed. This paper presents the OpenMOLE DSL through the example of a toy model exploration and through the automated calibration of a real-world complex system model in the field of geography.
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Dates and versions

hal-00840744 , version 1 (24-10-2013)

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Romain Reuillon, Mathieu Leclaire, Sebastien Rey-Coyrehourcq. OpenMOLE, a workflow engine specifically tailored for the distributed exploration of simulation models. Future Generation Computer Systems, 2013, 29 (8), pp.1981-1990. ⟨10.1016/j.future.2013.05.003⟩. ⟨hal-00840744⟩
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