Parallel Delaunay mesh generation kernel
Nikos P. Chrisochoides, Démian Nave · International Journal for Numerical Methods in Engineering · 2003
Abstract We present the results of an evaluation study on the re‐structuring of a latency‐bound mesh generation algorithm into a latency‐tolerant parallel kernel. We use concurrency at a fine‐grain level to tolerate long, variable, and unpredictable latencies of remote data gather operations required for parallel guaranteed quality Delaunay triangulations. Our performance data from a 16 node SP2 and 32 node Cluster of Sparc Workstations suggest that more than 90% of the latency from remote data gather operations can be masked effectively at the cost of increasing communication overhead between 2 and 20% of the total run time. Despite the increase in the communication overhead the latency‐tolerant mesh generation kernel we present in this paper can generate tetrahedral meshes for parallel field solvers eight to nine times faster than the traditional approach. Copyright © 2003 John Wiley & Sons, Ltd.