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A Software Concept for Cache-Efficient Simulation on Dynamically Adaptive Structured Triangular Grids
Oliver Meister, Kaveh Rahnema, Michael Bader
251 - 260
10.3233/978-1-61499-041-3-251
Advances in Parallel Computing
Volume 22: Applications, Tools and Techniques on the Road to Exascale Computing
Abstract

We present a software concept for element-oriented numerical solvers for PDEs on dynamically adaptive grids. The respective layer concept provides volume kernels to implement layer operators, which work on a traversal layer that implements cache-efficient traversals on structured adaptive triangular grids (provided by a grid layer underneath). We present a simple heat propagation problem and a coupled solver for flows in porous media as examples, and study the achieved single-core and memory performance. First results are also given for current work on parallelization of the approach.

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