ISSN: 1935-0570
Cover image: Code Performance
This visualization of features in a turbulent hydrogen/air jet flame is the result of collaboration between the SciDAC Institute for Ultra-Scale Visualization and S3D combustion code researchers at SNL. The Performance Engineering Research Institute (PERI, p26) works to improve S3D and other codes used for scientific computing.
CONTENTS
ISSUE 6 WINTER 2007
4
10
INTERVIEW: DR. GEORGE SMOOT COVER STORY
Cosmology and Computation
Dr. George Smoot talks about life since the Nobel Prize, the growing role of computation in cosmology, and what the future holds.
14
COMPUTATIONAL COSMOLOGY
Mapping the Universe to the Beginning of Time
The cosmic microwave background, radiation left over from the Big Bang, provides scientists with clues about the early Universe and the parameters of cosmology in general.
26
INSTITUTE: PERFORMANCE ENGINEERING
Understanding and Improving Large-Scale Codes
To address these challenges of achieving good performance on high-end computing systems, the Performance Engineering Research Institute has embarked on an ambitious research plan.
36
HARDWARE
Scientific Computing at the Cutting Edge
Many of the most exciting research programs in the world are currently taking place at the National Center for Computational Sciences, which offers the world's most powerful non-classified supercomputer to scientists.
42
PROJECT FOCUS: UNIVERSAL NUCLEAR ENERGY DENSITY FUNCTIONAL
Computing Atomic Nuclei
The goal of the Universal Nuclear Energy Density Functional collaboration is to provide a comprehensive description of all nuclei and their reactions based on the most accurate knowledge of the nuclear interaction, the most reliable theoretical approaches, and the massive use of computer power.
52
MEDICINE
Modeling the Molecular Basis of Parkinson's Disease
Researchers have made major strides in evaluating the molecular and environmental features that lead to clinical diagnosis and strategies for pharmaceutical intervention and amelioration of Parkinson's disease.
58
CLOSING NOTES
Preview and Acronyms
A peek at SciDAC research in the field of subsurface science. Also, a legend is provided to help readers navigate through the many acronyms commonly encountered in SciDAC Review.