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Algorithm, software, and hardware optimizations for Delaunay mesh generation on simultaneous multithreaded architectures
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DOI：10.1016/j.jpdc.2009.03.005.png)
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Abstract
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This article focuses on the optimization of PCDM, a parallel, two-dimensional (2D) Delaunay mesh generation application, and its interaction with parallel architectures based on simultaneous multithreading (SMT) processors. We first present the step-by-step effect of a series of optimizations on performance. These optimizations improve the performance of PCDM by up to a factor of six. They target issues that very often limit the performance of scientific computing codes. We then evaluate the interaction of PCDM with a real SMT-based SMP system, using both high-level metrics, such as execution time, and low-level information from hardware performance counters. Published by Elsevier Inc.
Keywords:
Parallel
Mesh
Generation
SMT
Optimizations
Finite element
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