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Optimised finite difference computation from symbolic equations

Michael Lange
Imperial College London

Navjot Kukreja
Imperial College London

Fabio Luporini
Imperial College London

Mathias Louboutin
The University of British Columbia

Charles Yount
Intel Corporation

Jan Hückelheim
Imperial College London

Gerard J. Gorman
Imperial College London


Domain-specific high-productivity environments are playing an increasingly important role in scientific computing due to the levels of abstraction and automation they provide. In this paper we introduce Devito, an open-source domain-specific framework for solving partial differential equations from symbolic problem definitions by the finite difference method. We highlight the generation and automated execution of highly optimized stencil code from only a few lines of high-level symbolic Python for a set of scientific equations, before exploring the use of Devito operators in seismic inversion problems.


Finite difference, domain-specific languages, symbolic Python

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