SCHEDULE: NOV 12-18, 2011

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Exascale In-Situ Visualization using Raytracing

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):Tom Haber, Petar Marendic, Dean Vucinic, Jan Jemeire, Philippe Bekaert

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
The traditional visualization workflow stores simulation data to disk, followed by the post-processing, as an independent analysis and visualization step. The rapid increase of produced simulation results makes post-processing a significant time-consuming task. In-situ visualization, by coupling simulation and visualization steps, allows data analysis during the simulation, thus eliminating the need to store data. Data movement is considered too inefficient in an exascale system, and thus propose to do the computations locally where the data is created. Access to the simulation data is provided through an interface without loss of flexibility and abstraction. We demonstrate the scalability and impact on the simulation of this approach, implemented using raytracing, in two use cases: isosurface rendering in a mockup simulation reading from disk and particle rendering in an electrostatic particle-in-cell code.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Tom Haber - Hasselt University

Petar Marendic - Vrije Universiteit Brussel

Dean Vucinic - Vrije Universiteit Brussel

Jan Jemeire - Vrije Universiteit Brussel

Philippe Bekaert - Hasselt University

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