Accelerated Discontinuous Galerkin Time-domain Simulations for Seismic Wave Propagation
A. Modave, A. St-Cyr, T. Warburton and W.A. Mulder
Event name: 77th EAGE Conference and Exhibition 2015
Session: Advances in HPC for Geophysical Applications
Publication date: 01 June 2015
Info: Extended abstract, PDF ( 1.36Mb )
Price: € 20
Improving both the accuracy and computational performance of simulation tools is a major challenge for seismic imaging, and generally requires specialized algorithms and computational implementations to make full use of modern hardware architectures. We present a computational strategy based on a high-order discontinuous Galerkin time-domain method. Our implementation can be run on several architectures thanks to a unified multi-threading programming framework, and exhibits a good load balancing and minimum data movements. A first benchmark validates this implementation and confirms the interest of accelerators in computational geophysics.