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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 10
Geosci. Model Dev., 9, 3803–3815, 2016
https://doi.org/10.5194/gmd-9-3803-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The Firedrake automatic code generation system

Geosci. Model Dev., 9, 3803–3815, 2016
https://doi.org/10.5194/gmd-9-3803-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Development and technical paper 27 Oct 2016

Development and technical paper | 27 Oct 2016

A structure-exploiting numbering algorithm for finite elements on extruded meshes, and its performance evaluation in Firedrake

Gheorghe-Teodor Bercea et al.
Data sets

An automated finite element system Firedrake https://doi.org/10.5281/zenodo.47717

Portable, Extensible Toolkit for Scientific Computation PETSc https://doi.org/10.5281/zenodo.47718

The Python interface to PETSc petsc4py https://doi.org/10.5281/zenodo.47714

The Finite Element Automated Tabulator FIAT https://doi.org/10.5281/zenodo.47716

The Unified Form Language UFL https://doi.org/10.5281/zenodo.47713

FEniCS Form Compiler FFC https://doi.org/10.5281/zenodo.47761

Framework for performance-portable parallel computations on unstructured meshes PyOP2 https://doi.org/10.5281/zenodo.47712

A Compiler for Fast Expression Evaluation COFFEE https://doi.org/10.5281/zenodo.47715

Data and plot scripts for Sandy Bridge experiments Data and plot scripts for Sandy Bridge experiments G.-T. Bercea https://doi.org/10.5281/zenodo.61920

Data and plot scripts for Haswell experiments G.-T. Bercea https://doi.org/10.5281/zenodo.61919

Unstructured meshes for extrusion article G.-T. Bercea https://doi.org/10.5281/zenodo.61819

Publications Copernicus
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Short summary
Unstructured meshes offer flexibility but are perceived as slow. Some applications, including atmosphere or ocean simulations, admit an extruded mesh: the horizontal mesh may be unstructured, but the vertical dimension can be traversed in a structured way. By extending the Firedrake automated simulation framework to this case, we show that an extruded mesh can be traversed as fast as a structured mesh. This paves the way for highly efficient unstructured mesh models of the ocean and atmosphere.
Unstructured meshes offer flexibility but are perceived as slow. Some applications, including...
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