# Jan 24, 2012: Dragan Bosnacki: Efficient Probabilistic Model Checking on GPUs & Some Applications of Probabilistic Model Checking to Biological Systems

January 24, 2012 | Efficient Probabilistic Model Checking on GPUs & Some Applications of Probabilistic Model Checking to Biological Systems |

Room: Zi 5126 | Dragan Bosnacki |

12:30-13:30 | In the first part of my talk I will present efficient parallel algorithms for probabilistic model checking on general purpose graphic processing units (GPGPUs). The crucial idea is to improve the numerical parts of the traditional sequential algorithms. In particular, we capitalize on the fact that in most of them operations like matrix–vector multiplication and solving systems of linear equations are the main complexity bottlenecks. Since linear algebraic operations can be implemented very efficiently on GPGPUs, the new parallel algorithms show considerable runtime improvements compared to their counterparts on standard architectures. We implemented our parallel algorithms on top of the probabilistic model checker PRISM. The prototype implementation was evaluated on several case studies in which we observed significant speedups over the standard CPU implementation of the tool. |