Using common graphics hardware for multi-agent traffic simulation with CUDA

  • Authors:
  • David Strippgen;Kai Nagel

  • Affiliations:
  • TU Berlin, Salzufer, Berlin, Germany;TU Berlin, Salzufer, Berlin, Germany

  • Venue:
  • Proceedings of the 2nd International Conference on Simulation Tools and Techniques
  • Year:
  • 2009

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Abstract

Today's graphics processing units (GPU) have tremendous resources when it comes to raw computing power. The simulation of large groups of agents in transport simulation has a huge demand of computation time. Therefore it seems reasonable to try to harvest this computing power for traffic simulation. Unfortunately simulating a network of traffic is inherently connected with random memory access. This is not a domain that the SIMD (single instruction, multiple data) architecture of GPUs is known to work well with. In this paper the authors will try to achieve a speedup by computing multi-agent traffic simulations on the graphics device using NVIDIAs CUDA framework.