Dynamic load balancing of plasma particle-in-cell simulations: The taskfarm alternative
Particle-in-cell (PIC) simulations frequently exhibit some degree of inhomogeneity in the distribution of particles. When running such codes in parallel, this inhomogeneity results in an imbalance of the particle-associated workload. As a remedy, plasma PIC simulations commonly make use of a dynamic...
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| Veröffentlicht in: | Computer physics communications 2002-08, Vol.147 (1), p.741-744 |
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| container_title | Computer physics communications |
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| creator | Othmer, C. Schüle, J. |
| description | Particle-in-cell (PIC) simulations frequently exhibit some degree of inhomogeneity in the distribution of particles. When running such codes in parallel, this inhomogeneity results in an imbalance of the particle-associated workload. As a remedy, plasma PIC simulations commonly make use of a dynamic domain decomposition that adjusts itself according to the momentary distribution of particles. We present and evaluate an alternative dynamic load-balancing method: a taskfarm-based scheme, where the total particle-associated work is traded among all processors according to their individual workload. It will be shown to be very efficient for simulations with highly inhomogeneous particle distributions. |
| doi_str_mv | 10.1016/S0010-4655(02)00389-2 |
| format | Article |
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| ispartof | Computer physics communications, 2002-08, Vol.147 (1), p.741-744 |
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| language | eng |
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| subjects | Accelerators and propulsion Exact sciences and technology Ion and plasma propulsion Ion thruster MPI Parallel efficiency Particle-in-cell method Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PIC simulation Plasma beam Plasma devices Plasma simulation Taskfarm |
| title | Dynamic load balancing of plasma particle-in-cell simulations: The taskfarm alternative |
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