SCHEDULE: NOV 12-18, 2011

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ENTIRE WEEK SATURDAY SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY

Co-visualization of full data and in situ data extracts from unstructured grid CFD at 160K cores

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):Michel Rasquin, Patrick Marion, Venkatram Vishwanath, Benjamin Matthews, Mark Hereld, Kenneth Jansen, Raymond Loy, Andrew Bauer, Min Zhou, Onkar Sahni, Jing Fu, Ning Liu, Christopher Carothers, Mark Shephard, Michael Papka, Kalyan Kumaran, Berk Geveci

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
Scalability and time-to-solution studies have historically been focused on the size of the problem and run time. We consider a more strict definition of “solution” whereby a live data analysis provides continuous and reconfigurable insight into massively parallel simulations. Specifically, we used the Argonne ALCF's BlueGene/P machine with 163,840 cores tightly linked through a high-speed network to 100 visualization nodes that share 200 GPUs. Two meshes with 416M and 3.3B elements discretize the flow over a full swept wing with an unsteady synthetic jet. The 416M element mesh takes about 2 seconds per flow solve step including the extraction and rendering of a slice or a contour, slowing currently the simulation by only 10 and 15% respectively. The 3.3B element case proved scalable at about 15 seconds per time step. This work will be presented with informational slides combined with a looping video and live demonstrations of our software.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Michel Rasquin - University of Colorado at Boulder

Patrick Marion - Kitware, Inc.

Venkatram Vishwanath - Argonne National Laboratory

Benjamin Matthews - University of Colorado at Boulder

Mark Hereld - Argonne National Laboratory

Kenneth Jansen - University of Colorado at Boulder

Raymond Loy - Argonne National Laboratory

Andrew Bauer - Kitware, Inc.

Min Zhou - Renssalaer Polytechnic University

Onkar Sahni - Renssalaer Polytechnic University