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- W2018347536 abstract "Many recent oil field discoveries are located in deep water, imposing new challenges for seismic migration. Traditional migration methods used in other areas (e.g., ray based migration algorithms) could not provide the required results. Reverse Time Migration (RTM) has become the method of choice to image these fields. However, this method is computationally very intensive, even using modern parallel architectures like multicores. One of the critical computational challenges of RTM is the high demand of memory performance, requiring several optimizations to take advantage of the memory hierarchy. In this paper we show the use of the main optimization techniques like cache blocking, domain decomposition, memory distribution to optimize an Elastic RTM code, achieving a speedup of 6 in 8 cores on a multicore architecture." @default.
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- W2018347536 date "2014-01-01" @default.
- W2018347536 modified "2023-09-23" @default.
- W2018347536 title "Multicore Optimizations for Elastic Reverse Time Migration" @default.
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- W2018347536 doi "https://doi.org/10.3997/2214-4609.20141136" @default.
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