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Accelerating Force-Directed Graph Drawing with RT Cores by Zellmann, Stefan; Weier, Martin; Wald, Ingo is a scholarly article available to read on EtoBox.

What is Accelerating Force-Directed Graph Drawing with RT Cores about?

Graph drawing with spring embedders employs a V x V computation phase over the graph's vertex set to compute repulsive forces. Here, the efficacy of forces diminishes with distance: a vertex can effectively only influence other vertices in a certain radius around its position. Therefore, the algorithm lends itself to an implementation using search data structures to reduce the runtime complexity. NVIDIA RT cores implement hierarchical tree traversal in hardware. We show how to map the problem of finding graph layouts with force-directed methods to a ray tracing problem that can subsequently be implemented with dedicated ray tracing hardware. With that, we observe speedups of 4x to 13x over a CUDA software implementation.

Author

Zellmann, Stefan; Weier, Martin; Wald, Ingo

Published

2020

Language

EN