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Thursday, February 28 • 2:10pm - 2:35pm
Accelerated Computing: "Reverse Time Migration: A Case Study of GPU/CPU Hybrid Computing," Scott Quiring, Acceleware Ltd

 

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Reverse Time Migration (RTM) is now the dominant imaging technique used in deep marine seismic exploration. This commercial case study highlights the need for the implementation to be continuously re-balanced as hardware performance and software features evolve over time in order to avoid performance bottlenecks and maintain optimum throughput. The basic methodology of RTM and the computational challenges it raises will be shown, and a solution that takes full advantage of the resources available on a GPU / CPU hybrid compute node will be presented.

There are two major computational challenges in RTM: efficient propagation of a 3D seismic wavefield and accessing the wavefield in reverse-time order.


Moderator(s)
avatar for Simanti Das

Simanti Das

Manager, High Performance Computing Software Development & Support, ExxonMobil Technical Computing Company
Simanti Das, is currently the manager of High Performance Computing software development and support group in ExxonMobil Upstream IT organization. She is responsible for providing software development, optimization and support for massively parallel seismic imaging technologies for Upstream business use. Upon receiving her M.S in Computer Science from University of Houston in 1988, Simanti started her career at Exxon Production Research... Read More →
avatar for Scott Morton

Scott Morton

Manager and Global Geophysical Advisor, Hess Corporation
Scott Morton has 25 years of experience in computational and theoretical physics distributed between academia, the computer industry and the petroleum industry. Although originally trained as an astrophysicist, he switched to geophysics when he joined Shell in 1991 to do research and development in seismic imaging. Scott spent the next 7 years distributed between Shell, Thinking Machines, Cray Research and SGI, gaining expertise in both... Read More →
avatar for Amik St-Cyr

Amik St-Cyr

Senior researcher, Shell
Amik St-Cyr recently joined the Royal Dutch Shell company as a senior researcher in computation & modeling. Amik came to the industry from the NSF funded National Center for Atmospheric Research (NCAR). His work consisted in the discovery of novel numerical methods for geophysical fluid flows with particular attention to their implementation on supercomputers. He has experience in a plethora of numerical methods for solving time-dependent... Read More →

Speaker(s)

Thursday February 28, 2013 2:10pm - 2:35pm
DH 1070 Duncan Hall