[Colloquium] CANDIDATE INTERVIEW TODAY: Hank Childs, LBL

[Katie Casey]

DEPARTMENT OF COMPUTER SCIENCE

UNIVERSITY OF CHICAGO

Date: Thursday, February 16, 2012
Time: 3:00 p.m.
Place: RY 251

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Speaker:		Hank Childs

From:		Lawrence Berkeley National Laboratory

Web page:	http://vis.lbl.gov/~hrchilds/

Title: 		Visualization and Analysis of Very Large Scientific Simulations

Abstract: Visualization and analysis are critical to the success of the simulation process; they help realize the value of computing by increasing the rate at which new science is discovered.  Their techniques are used to confirm that simulations are running correctly, to communicate simulation results to an audience, and, most importantly, to explore data, which is often where new insights are obtained.  

As supercomputers get ever larger, simulations are producing increasingly massive data sets.  Visualization and analysis techniques must keep pace with these increasing data sizes.  In this presentation, I will describe the most common approach for visualizing massive data: parallelization.  I will describe the strategies and complexities for a data parallel approach, as well as discuss specifics for particle advection, one of the most challenging algorithms in our field to parallelize and the basis for techniques like streamlines, Poincare plots, and Finite-Time Lyapunov Exponents (FTLE).  Finally, I will describe several upcoming challenges, including strategies for visualization and analysis in the context of power-constrained high performance computing.

Host: Rick Stevens

Refreshments will be served in Ryerson 255 before the talk at 2:30.
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