[HTML][HTML] Devito (v3. 1.0): an embedded domain-specific language for finite differences and geophysical exploration

M Louboutin, M Lange, F Luporini… - Geoscientific Model …, 2019 - gmd.copernicus.org
We introduce Devito, a new domain-specific language for implementing high-performance
finite-difference partial differential equation solvers. The motivating application is exploration …

Deep-convolutional neural networks in prestack seismic: Two exploratory examples

A Siahkoohi, M Louboutin, R Kumar… - SEG Technical …, 2018 - library.seg.org
Deep convolutional neural networks are having quite an impact and have resulted in step
changes in the capabilities of image and voice recognition systems and there are indications …

Multi-level spatial and temporal tiling for efficient HPC stencil computation on many-core processors with large shared caches

C Yount, A Duran, J Tobin - Future Generation Computer Systems, 2019 - Elsevier
Stencil computation is an important class of algorithms used in a large variety of scientific-
simulation applications, especially those arising from finite-difference numerical solutions to …

Effects of wrong adjoints for RTM in TTI media

M Louboutin, P Witte, FJ Herrmann - SEG Technical Program …, 2018 - library.seg.org
In order to obtain accurate images of the subsurface, anisotropic modeling and imaging is
necessary. However, the twenty-one parameter complete wave-equation is too …

Enabling numerically exact local solver for waveform inversion—a low-rank approach

R Kumar, B Willemsen, FJ Herrmann… - Computational …, 2019 - Springer
As in many fields, in seismic imaging, the data in the field is collected over a relatively large
medium even though only a part of that medium is truly of interest. This results in significant …

High-level python abstractions for optimal checkpointing in inversion problems

N Kukreja, J Hückelheim, M Lange… - arXiv preprint arXiv …, 2018 - arxiv.org
Inversion and PDE-constrained optimization problems often rely on solving the adjoint
problem to calculate the gradient of the objec-tive function. This requires storing large …

Compressed sensing based land simultaneous acquisition using encoded sweeps

R Kumar, S Sharan, N Moldoveanu… - 80th EAGE Conference …, 2018 - earthdoc.org
Simultaneous shooting methods using encoded sweeps can enhance the productivity of
land acquisition in situations where deployment of many vibrators and larger receiver …

[PDF][PDF] Modeling for inversion in exploration geophysics

M Louboutin - phd, Georgia Institute of Technology, Atlanta, 2020 - researchgate.net
The increasing complexity of modern computer architectures means that developers are
having to work much harder at implementing and optimizing scientific modelling codes for …

Towards self-verification in finite difference code generation

J Hückelheim, Z Luo, F Luporini, N Kukreja… - Proceedings of the First …, 2017 - dl.acm.org
Code generation from domain-specific languages is becoming increasingly popular as a
method to obtain optimised low-level code that performs well on a given platform and for a …

[HTML][HTML] The objective is to demonstrate the applicability of Normalizing Flows (NFs) to subsurface kriging from wells. We will show that after supervised training, we …

M Louboutin - mloubout.github.io
Understanding CO2 plume behavior is key to the success of geological carbon storage
projects. While two-phase flow equations provide a good model to make predictions on …