Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 17, issue 6
Articles | Volume 17, issue 6
https://doi.org/10.5194/gmd-17-2325-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gmd-17-2325-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 6
Development and technical paper
 | 
21 Mar 2024
Development and technical paper |  | 21 Mar 2024

Tomofast-x 2.0: an open-source parallel code for inversion of potential field data with topography using wavelet compression

Vitaliy Ogarko, Kim Frankcombe, Taige Liu, Jeremie Giraud, Roland Martin, and Mark Jessell

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Cited articles

Banaszczyk, S., Dentith, M., and Wallace, Y.: Constrained Magnetic Modelling of the Wallaby Gold Deposit, Western Australia, ASEG Extended Abstracts, 2015, 1–4, https://doi.org/10.1071/ASEG2015ab290, 2015. 
Barrett, R., Berry, M., Chan, T. F., Demmel, J., Donato, J., Dongarra, J., Eijkhout, V., Pozo, R., Romine, C., and van der Vorst, H.: Templates for the Solution of Linear Systems: Building Blocks for Iterative Methods, Society for Industrial and Applied Mathematics, https://doi.org/10.1137/1.9781611971538, 1994. 
Bhattacharyya, B. K.: MAGNETIC ANOMALIES DUE TO PRISM-SHAPED BODIES WITH ARBITRARY POLARIZATION, GEOPHYSICS, 29, 517–531, https://doi.org/10.1190/1.1439386, 1964. 
Buluc, A. and Gilbert, J. R.: On the representation and multiplication of hypersparse matrices, in: 2008 IEEE International Symposium on Parallel and Distributed Processing, Miami, FL, USA, 14–18 April 2008, 1–11, https://doi.org/10.1109/IPDPS.2008.4536313, 2008. 
Buluç, A., Fineman, J. T., Frigo, M., Gilbert, J. R., and Leiserson, C. E.: Parallel sparse matrix-vector and matrix-transpose-vector multiplication using compressed sparse blocks, in: Proceedings of the twenty-first annual symposium on Parallelism in algorithms and architectures, Calgary, AB, Canada, 11–13 August 2009, 233–244, https://doi.org/10.1145/1583991.1584053, 2009. 
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We present a major release of the Tomofast-x open-source gravity and magnetic inversion code that is enhancing its performance and applicability for both industrial and academic studies. We focus on real-world mineral exploration scenarios, while offering flexibility for applications at regional scale or for crustal studies. The optimisation work described in this paper is fundamental to allowing more complete descriptions of the controls on magnetisation, including remanence.
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