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Cielo begins high res 3-D weapon simulations

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The National Nuclear Security Administration (NNSA) has announced that it has begun production runs focusing on high resolution 3-D weapon simulations on NNSA’s largest supercomputer platform, Cielo.
The simulations will be used to ensure the safety, security, and effectiveness of the nuclear stockpile while maintaining the moratorium on underground nuclear explosive testing. Users from NNSA’s laboratories – Los Alamos (LANL), Lawrence Livermore and Sandia laboratories – are using Cielo for NNSA’s Capability Computing Campaign 2 (CCC2).
“The body of work done on Cielo is one of the largest and most demanding workloads involving modeling and simulation within NNSA. Cielo is primarily utilized to perform milestone weapons calculations,” said Don Cook, NNSA’s Deputy Administrator for Defense Programs.
“The research we’re able to do in computer science, physics, and engineering because of Cielo is a vital part of NNSA’s efforts to implement President Obama’s nuclear security agenda.”
Cielo, located at LANL, is a petascale resource for conducting NNSA weapons simulations in the 2011-2015  timeframe. It can achieve more than one quadrillion floating point operations per second.


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