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Science at the petascale: Roadrunner results unveiled
Date:10/26/2009

LOS ALAMOS, New Mexico, October 26, 2009The world's fastest supercomputer, Roadrunner, at Los Alamos National Laboratory has completed its initial "shakedown" phase doing accelerated petascale computer modeling and simulations of a variety of unclassified, fundamental science projects.

The Roadrunner system is now beginning its transition to classified computing to assure the safety, security, and reliability of the U.S. nuclear deterrent.

Capitalizing on this national security investment, 10 unclassified projects were selected for this opportunity to use Roadrunner, a hybrid-architecture, 1.105 petaflop/s computing system, during a six-month period that ended in September 2009.

These projects were also used to put a "work load" on the Roadrunner system so that scientists could optimize the way large codes are able to run on the machine. The Roadrunner open science projects represent the best of science, and the value of enabling technologies at Los Alamos, and were selected from across the Laboratory by a special committee.

A sampling of the projects include:

  • ORIGINS OF THE UNSEEN UNIVERSE
    Astrophysicists have created the largest-ever computer model of an expanding, accelerating universe to help scientists understand both dark matter and dark energy, two cosmic constituents that remain a mystery.

  • THE LARGEST HIV EVOLUTIONARY TREE
    Mapping Darwinian phylogenic evolutionary relationships for large numbers of Human Immunodeficiency Virus genetic sequences results in an HIV family tree that may lead researchers to new vaccine focus areas.

  • NONLINEAR PHYSICS OF HIGH-POWERED LASERS
    Computer scientists adapt VPIC, a particle-in-cell plasma physics code, to simulate laser plasma interactions on the Roadrunner petascale supercomputer - models critical to understanding inertial confinement fusion at the National Ignition Facility.

  • MODELING TINY NANOWIRES AT LONG TI
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Contact: Kevin Roark
knroark@lanl.gov
505-665-9202
DOE/Los Alamos National Laboratory
Source:Eurekalert

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