3D seismic modeling and reverse-time migration with the parallel Fourier method using non-blocking collective communications

Chunlei Chu, Paul L. Stoffa, Roustam Seif

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

The major performance bottleneck of the parallel Fourier method on distributed memory systems is the network communication cost. In this study, we investigate the potential of using non-blocking all-to-all communications to solve this problem by overlapping computation and communication. We present the runtime comparison of a 3D seismic modeling problem with the Fourier method using non-blocking and blocking calls, respectively, on a Linux cluster. The data demonstrate that a performance improvement of up to 40% can be achieved by simply changing blocking all-to-all communication calls to non-blocking ones to introduce the overlapping capability. A 3D reverse-time migration result is also presented as an extension to the modeling work based on non-blocking collective communications.
Original languageEnglish (US)
Title of host publicationSEG Technical Program Expanded Abstracts 2009
PublisherSociety of Exploration Geophysicists
DOIs
StatePublished - Mar 22 2012
Externally publishedYes

Fingerprint Dive into the research topics of '3D seismic modeling and reverse-time migration with the parallel Fourier method using non-blocking collective communications'. Together they form a unique fingerprint.

Cite this