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PROJECTS
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Automated Testing System

LLNL’s Python 3–based ATS tool provides scientific code teams with automated regression testing across HPC architectures.

Spack logo

Spack

The award-winning HPC package manager has seen steady growth and community engagement since its open-source release in 2014.

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mpibind

This open-source library automatically maps HPC applications to supercomputers efficiently and transparently, so users can run on Day One on any system.

PEOPLE
Jarom Nelson in biblical costume

Jarom Nelson

As group leader and application developer in the Global Security Computing Applications Division, Jarom Nelson develops intrusion detection and access control software.

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Vanessa Sochat

Computer scientist Vanessa Sochat isn’t afraid to meet new experiences head on. With a Stanford PhD and a jump-right-in attitude, she joined LLNL to work on the BUILD project, Spack package…

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Stephanie Brink

Computing relies on engineers like Stephanie Brink to keep the legacy codes running smoothly. “You’re only as fast as your slowest processor or your slowest function,” says Brink, who works in…

NEWS
drawing of the cooling system connected to El Capitan

Meet the machines that matter: How El Capitan keeps its cool

A complex system of cooling towers, chillers, pumps, heat exchangers, sensors and more than 2,000 feet of pipes all work together to remove heat from the liquid-cooled exascale supercomputer El Capitan.

 several chess players seated at tables during a competition, in front of competition-related signs on a yellow wall

A look back: “Cray Blitz” and the world of computer chess

The LLNL Archives reveal a surprising history of computing chess innovation and competition.

Bengal supercomputer lit with blue light

IPDPS 2026 acceptances

LLNL participates in the International Parallel and Distributed Processing Symposium (IPDPS) on May 25–29.