Computing at LLNL
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At a Glance

Discovery science and technical innovation

Computing at LLNL advances scientific discovery through foundational and innovative research; mission-driven data science; complex modeling, simulation, and analysis on powerful supercomputers; and creative technologies and software solutions. Everything at Livermore is Team Science. Thus, Computing is at the heart of many of LLNL’s most compelling national security and scientific efforts:

  • Operating one of the world’s largest HPC data centers
  • Designing AI and machine learning algorithms for science-based pattern discovery
  • Driving advances in simulation, scalable visualization, and data management
  • Providing essential IT expertise across LLNL
  • New simulation technologies and algorithms, such as in design optimization and decision support
  • Computing beyond exascale: heterogeneous, neural, cloud/converged, and quantum
  • Running one of the world’s largest control systems at NIF

Focus Areas

Computational Math

Powering scientific codes with advanced algebraic methods, algorithms, solvers, and discretizations

Computational Science

Supporting the Lab’s mission-driven programs with scientific modeling and simulation

Cyber Security

Meeting the nation’s top priorities to enhance security in a highly interconnected world

Data Science

Advancing AI, data analytics, machine learning, predictive modeling, statistics, UQ, and more

Emerging Architectures

Innovating in new directions for next-generation hardware designs and platform integrations

HPC Systems & Software

Providing environments, tools, and expertise for vital national security research and development

Information Technology

Meeting the Lab’s computer technology needs every day with enterprise applications and services

Software Engineering

Applying best practices to maximize the efficiency of software development and deployment

News

collage of detailed simulations and the El Capitan logo


Source: LLNL News

El Capitan revealing hidden worlds in previously unattainable high-fidelity simulations

From capturing the chaotic spray of molten metal to the turbulence of fluid flows, the exascale machine is revealing worlds that were previously beyond reach, and it’s doing so thanks to the close collaboration of hardware, software and science teams that makes LLNL uniquely equipped to lead in this space.

Computational Science | Emerging Architectures | Exascale | HPC Systems and Software | Hydrodynamics | Lasers and Optics

collage of NIF components and the Sierra supercomputer


Source: LLNL News

LLNL used AI to predict historic fusion ignition shot

LLNL researchers employed an AI-driven model to predict fusion ignition days ahead of the historic 2022 shot, according to a new study in Science.

AI/ML | Computational Science | Data Science | Lasers and Optics | Scientific ML

cylindrical HYDRA simulation in rainbow colors


Source: Science & Technology Review

Cracking the fusion codes

LLNL is home to the world’s most complete set of ICF modeling and simulation tools, encapsulating the intricacies of laser light interaction, electron and x-ray transport, nonequilibrium atomic physics, magnetohydrodynamics, and fusion burn.

Computational Science | HPC Systems and Software | Hydrodynamics | Lasers and Optics

Highlights

Featured Employee
Sunshine inside giving a fist bump to a Mario Bros statue hanging off a vertical pole

Sunshine Balingit

Information System Security Officer Sunshine Balingit merges her love of helping people with her expertise in cybersecurity to protect LLNL’s HPC systems and the work of Laboratory scientists.

Featured Project
zfp velocity field that looks like blue and orange bubbles in varying degrees of granularity

zfp

zfp is an open-source C/C++ library for compressed floating-point and integer arrays that support high throughput read and write random access.

Learn More
booklet cover title with part of the El Capitan machine photo

Road to El Capitan

Our 11-part article series went behind the scenes of El Capitan's development and deployment. We've combined the articles into a booklet available for download on LLNL's HPC website.

Careers

People standing in front of LLNL block letters

We offer a promising future of discovery science and technical innovation

From software developers and applied math researchers to hardware architects and networking experts, computing at LLNL requires a top-flight workforce with a broad skill set. Check out our internship pages or visit LLNL's careers site to see how you can be a part of the future.