Mathieu Leclaire // Romain Reuillon
ISCPIF // GeodiverCity ERC
Large scale experimentations on models
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| Optimization | Sensitivity analysis | Design of experiments | Calibration | Data processing |
These methods are time consuming
Naturally parallel algorithms
permit to leverage parallelism




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European Grid Infrastructure |
| It implements exploration algorithms | ![]() |
| It transparently delegates computational loads to massively parallel environments | ![]() |
Prototype small
Experiment large
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A Task runs an executable, |
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receives and produces Variables. |
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Variables navigate from one Task to another by means of Transitions |
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eventually doing Loops. |
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| Design you experiment in OpenMOLE | At runtime |





Chromosome structuring |
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C++ 2 days per simulation 1600 simulations 8.5 years / CPU |
SimTRAP project |
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NetLogo 5 minutes per simulation 100000 simulations 1 year / CPU |
Simpop project |
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Scala 5 minutes per simulation 360 000 000 simulations 22 years / CPU |
The Bioemergences project |
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C Image processing portal access daily productions 10000 jobs / day |