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Cielo cleared for classified operation use

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The National Nuclear Security Administration (NNSA) today announced that its supercomputer platform Cielo has been approved for classified operations.
Cielo, which supports Lawrence Livermore National Laboratory, Los Alamos National Laboratory and Sandia National Laboratories, is a petascale supercomputer that helps NNSA ensure the safety, security, and effectiveness of the nuclear stockpile while maintaining the moratorium on underground nuclear explosive testing.
 A petascale supercomputer can achieve more than one quadrillion floating point operations per second.
 “As NNSA and the Department of Energy work to invest in the future of supercomputing, Cielo enables our researchers and scientists to increase their understanding of complex physics and improve confidence in the predictive capability for stockpile stewardship,” said Don Cook, NNSA’s Deputy Administrator for Defense Programs. “Ensuring that our nation has cutting edge supercomputing platforms to apply to our stockpile stewardship program is a key element of NNSA’s efforts to implement the President’s nuclear security agenda.”
Cielo runs the largest and most demanding workloads involving modeling and simulation and is housed at LANL. Cielo is primarily utilized to perform milestone weapons calculations.


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