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EXAUQ-Toolbox: Uncertainty Quantification at the Exascale

Welcome to the documentation for the EXAUQ-Toolbox. The toolbox is a collection of utilities that support the development of emulators of complex computer simulations. A key feature is support for fitting multi-level Gaussian Process emulators for hierarchies of simulation models. Here, simulations in the hierarchy are arranged according to differing levels of model fidelity, with the simulation at the apex of the hierarchy potentially requiring exascale computing to complete. For example, runs of the highest-fidelity simulation may be run on an exascale computer, whereas a lower-fidelity, but cheaper, simulation may be run on a more conventional HPC, departmental server or personal laptop.

As well as implementing statistical methods for training multi-level emulators, the EXAUQ-Toolbox includes a command line application that takes care of the submission and management of remote jobs for simulators.