[Colloquium] JOB TALK: Hank Childs, LBL on February 16
Katie Casey
caseyk at cs.uchicago.edu
Mon Feb 6 09:26:42 CST 2012
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 following the talk at 3:30.
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