Abstract

The semi-ordered fast iterative method is used to compute a monotone front propagation of anisotropic nature by solving the eikonal equation. Compared to established iterative methods, such as the fast iterative method, the semi-ordered fast iterative method (SOFI) offers increased stability for variations in the front velocity. So far, the method has only been investigated in a serial, two-dimensional context; in this paper we investigate a parallel implementation of SOFI (using OpenMP) and evaluate the method for three-dimensional real-world type problems. We discuss the parallel algorithm and compare its performance and its computed solutions with an OpenMP-powered fast iterative method. Different speed functions together with varying problem sizes are used to investigate the impact of the computational load. Although the semi-ordered fast iterative method is inferior to the fast iterative method with respect to parallel efficiency, we show that its execution performance is significantly faster.

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