SCHEDULE: NOV 12-18, 2011

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CUDACLAW: A Real-Time Data-Parallel Hyperbolic PDE Solver

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Jeff A. Stuart

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
We present our work on CUDACLAW, an interactive data-parallel hyperbolic PDE solver that uses NVIDIA GPUs. CUDACLAW can solve any explicit hyperbolic PDE, all one need do is implement a Riemann solver kernel and configure the initial problem input. Our initial results show speedups of between 20x and 30x over Clawpack (the most commonly-used Fortran-based CPU equivalent), and much better performance at scale. We include in CUDACLAW an OpenGL display that provides feedback interactive feedback to users, which is especially useful in cases where simulations take large amounts of time to run. Our poster outlines our work, including an in-depth outline of the solver process and how we map it to the GPU. We also include video demonstrations of CUDACLAW solving a tsunami simulation/

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Jeff A. Stuart - IDAV

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