Papers › On Designing GPU Algorithms with Applications to Mesh Refinement
On Designing GPU Algorithms with Applications to Mesh Refinement
Zhenghai Chen, Tiow-Seng Tan, Hong-Yang Ong
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We present a set of rules to guide the design of GPU algorithms. These rules are grounded on the principle of reducing waste in GPU utility to achieve good speed up. In accordance to these rules, we propose GPU algorithms for 2D constrained, 3D constrained and 3D Restricted Delaunay refinement problems respectively. Our algorithms take a 2D planar straight line graph (PSLG) or 3D piecewise linear complex (PLC) 𝒢 as input, and generate quality meshes conforming or approximating to 𝒢. The implementation of our algorithms shows that they are the first to run an order of magnitude faster than current state-of-the-art counterparts in sequential and parallel manners while using similar numbers of Steiner points to produce triangulations of comparable qualities. It thus reduces the computing time of mesh refinement from possibly hours to a few seconds or minutes for possible use in interactive graphics applications.
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