3D Isotropic Acoustic Finite-Difference Wave Equation Code: A Many-Core Processor Implementation and Analysis

Finite difference is a simple and efficient mathematical tool that helps solve differential equations. In this paper, we solve an isotropic acoustic 3D wave equation using explicit, time domain finite differences.

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Propagating seismic waves remains a compute-intensive task even when considering the simplest expression of the wave equation. In this paper, we explain how to implement and optimize a three-dimension isotropic kernel with finite differences to run on the Intel® Xeon® processor v4 Family and the Intel® Xeon Phi™ processor.

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We also give a brief overview of new memory hierarchy introduced with the Intel® Xeon Phi™ processor and the different settings and modifications of the source code needed to incorporate the use of C/C++ High Bandwidth Memory (HBM) application programming interfaces (APIs) for doing dynamic storage allocation from Multi-Channel DRAM (MCDRAM).

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Source:https://software.intel.com/en-us/articles/3d-isotropic-acoustic-finite-difference-wave-equation-code-a-many-core-processor

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