Journal
IEEE TRANSACTIONS ON COMPUTATIONAL SOCIAL SYSTEMS
Volume 5, Issue 3, Pages 884-895Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSS.2018.2859189
Keywords
Agent-based modeling; high-performance computing (HPC); machine learning; metamodeling; parallel processing
Funding
- U.S. Department of Energy, Office of Science [DE-AC02-06CH11357]
- National Institutes of Health [R01GM115839, R01GM121600]
- EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [R01HD069609] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM115839, R01GM121600] Funding Source: NIH RePORTER
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Agent-based models (ABMs) integrate the multiple scales of behavior and data to produce higher order dynamic phenomena and are increasingly used in the study of important social complex systems in biomedicine, socioeconomics, and ecology/resource management. However, the development, validation, and use of ABMs are hampered by the need to execute very large numbers of simulations in order to identify their behavioral properties, a challenge accentuated by the computational cost of running realistic, large-scale, potentially distributed ABM simulations. In this paper, we describe the Extreme-scale Model Exploration with Swift (EMEWS) framework that is capable of efficiently composing and executing large ensembles of simulations and other black box scientific applications while integrating model exploration (ME) algorithms developed with the use of widely available third-party libraries written in popular languages, such as R and Python. EMEWS combines novel stateful tasks with traditional run-to-completion many-task computing and solves many problems relevant to high-performance workflows, including scaling to very large numbers (millions) of tasks, maintaining state and locality information, and enabling effective multiple-language problem solving. We present the high-level programming model of the EMEWS framework and demonstrate how it is used to integrate an active learning ME algorithm to dynamically and efficiently characterize the parameter space of a large and complex, distributed message passing interface agent-based infectious disease model.
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