Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Gerard J. Gorman"'
Publikováno v:
Journal of Open Research Software, Vol 2, Iss 1, Pp e28-e28 (2014)
The recomputability and reproducibility of results from scientific software requires access to both the source code and all associated input and output data. However, the full collection of these resources often does not accompany the key findings pu
Externí odkaz:
https://doaj.org/article/9fd8fcabed7549e5b43a8e5c5d5e676e
Autor:
Hari Srinivasan, George Iordanescu, Qie Zhang, Sverre Brandsberg-Dahl, Wee Hyong Tok, Ranveer Chandra, Gerard J. Gorman, Navjot Kukreja
Publikováno v:
First International Meeting for Applied Geoscience & Energy Expanded Abstracts.
Publikováno v:
GEOPHYSICS. 84:R655-R672
Least-squares reverse time migration is a powerful approach for true-amplitude seismic imaging of complex geologic structures, but the successful application of this method is currently hindered by its enormous computational cost, as well as its high
Autor:
Gerard J. Gorman, Philipp Witte, Felix J. Herrmann, Mathias Louboutin, Navjot Kukreja, Fabio Luporini, Michael Lange
Publikováno v:
GEOPHYSICS. 84:F57-F71
Writing software packages for seismic inversion is a very challenging task because problems such as full-waveform inversion or least-squares imaging are algorithmically and computationally demanding due to the large number of unknown parameters and t
Autor:
Michael Lange, Felix J. Herrmann, Mathias Louboutin, Philipp Witte, Gerard J. Gorman, Paulius Velesko, Fabio Luporini, Navjot Kukreja
Publikováno v:
Geoscientific Model Development, Vol 12, Pp 1165-1187 (2019)
We introduce Devito, a new domain-specific language for implementing high-performance finite difference partial differential equation solvers. The motivating application is exploration seismology where methods such as Full-Waveform Inversion and Reve
Autor:
Paul H. J. Kelly, Jan Hückelheim, John K. Washbourne, Navjot Kukreja, Gerard J. Gorman, Mathias Louboutin
This paper proposes a new method that combines check- pointing methods with error-controlled lossy compression for large-scale high-performance Full-Waveform Inversion (FWI), an inverse problem commonly used in geophysical exploration. This combinati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54352c2514334a6550be06dfaac6d715
https://doi.org/10.5194/gmd-2020-325
https://doi.org/10.5194/gmd-2020-325
Autor:
Fabio Luporini, Gerard J. Gorman, Mathias Louboutin, Paul H. J. Kelly, George Bisbas, Rhodri Nelson
Publikováno v:
35th IEEE International Parallel and Distributed Processing Symposium (IPDPS)
IPDPS
IPDPS
Stencil kernels dominate a range of scientific applications, including seismic and medical imaging, image processing, and neural networks. Temporal blocking is a performance optimization that aims to reduce the required memory bandwidth of stencil co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae30f5bed21cf3ac46452f4251b611e8
Autor:
Lucas Cavalcante, Samuel Xavier de Souza, Gerard J. Gorman, Istvan Z. Reguly, Maelso Bruno Pereira, Vitor Hugo Mickus Rodrigues, Fabio Luporini
Publikováno v:
Communications in Computer and Information Science ISBN: 9783030410049
CARLA
CARLA
The growth of data to be processed in the Oil & Gas industry matches the requirements imposed by evolving algorithms based on stencil computations, such as Full Waveform Inversion and Reverse Time Migration. Graphical processing units (GPUs) are an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53e3ee1f7a92fd28e3d21d0adeaa1628
https://doi.org/10.1007/978-3-030-41005-6_16
https://doi.org/10.1007/978-3-030-41005-6_16
Autor:
Charles R. Yount, Michael Lange, Jan Hückelheim, Navjot Kukreja, Fabio Luporini, Mathias Louboutin, Gerard J. Gorman, Philipp Witte, Paul H. J. Kelly, Felix J. Herrmann
Stencil computations are a key part of many high-performance computing applications, such as image processing, convolutional neural networks, and finite-difference solvers for partial differential equations. Devito is a framework capable of generatin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::811a2b79b3daa5ef9eab56a96160cc87
http://hdl.handle.net/10044/1/76863
http://hdl.handle.net/10044/1/76863
Autor:
Michael Lange, Fabio Luporini, Gerard J. Gorman, Keegan Lensink, Philipp Witte, Navjot Kukreja, Mathias Louboutin, Felix J. Herrmann
Publikováno v:
The Leading Edge. 37:142-145
This tutorial is the third part of a full-waveform inversion (FWI) tutorial series with a step-by-step walkthrough of setting up forward and adjoint wave equations and building a basic FWI inversion framework. For discretizing and solving wave equati