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Sept. 30, 2020 — The National Nuclear Security Administration’s new system features the HPE Cray EX supercomputer using future Intel Xeon processors to simulate nuclear weapons and maintain safety of stockpile

Hewlett Packard Enterprise (HPE) today announced it is building a new supercomputer with quadrupled performance for the U.S. Department of Energy’s National Nuclear Security Administration (NNSA). The new system will support critical modeling and simulation of nuclear weapons at high 3D resolutions to ensure reliability and security of the nuclear stockpile.

The NNSA’s new system, which it has named “Crossroads,” will replace the existing Cray-based system, Trinity, to advance current and planned future research. The new system will be delivered in the spring of 2022 and hosted at Los Alamos National Laboratory. It will be used by the three NNSA national laboratories: Lawrence Livermore National Laboratory, Los Alamos National Laboratory and Sandia National Laboratories during 2022 – 2026.

The Crossroads system, which is a $105 million deal with HPE, will be powered by the HPE Cray EX supercomputer, a high-performance computing (HPC) architecture that is purpose-built for next-generation supercomputing and ideally suited for large-scale systems requiring the greatest performance, density, and efficiency. It will also feature future Intel Xeon processors code-named “Sapphire Rapids” for powerful next-generation compute and AI-accelerated capabilities that target and optimize emerging applications needed for advancing NNSA research, including 3D modeling at higher resolutions.

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