LLNL Computing’s ground-breaking research and development activities, innovative technologies, and world-class staff are often featured in various media outlets.

artist’s rendering of graphics on the outside of the Tuolumne supercomputer

Source: LLNL Computing

Road to El Capitan 6: Modern compilers

Compilers translate human-programmable source code into machine-readable code. Building a compiler is especially challenging in the exascale era.

Compiler Technology | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Programming Languages and Models

diagram showing many colored boxes (denoting software packages) connected by complex lines (denoting dependency relationships)

Source: LLNL Computing

Road to El Capitan 7: Packaging for everyone

Backed by Spack’s robust functionality, the Packaging Working Group manages the relationships between user software and system software.

Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Open-Source Software | Software Build and Installation

nine people stand as a group in front of the Sierra supercomputer

Source: LLNL Computing

Road to El Capitan 8: Prepping for performance

The Tools Working Group delivers debugging, correctness, and performance analysis solutions at an unprecedented scale.

Debugging and Correctness | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Performance, Portability, and Productivity

looking down a row of racks with exposed wires, three people install components of El Capitan

Source: LLNL Computing

Road to El Capitan 9: Messaging and math

The advent of accelerated processing units presents new challenges and opportunities for teams responsible for network interconnects and math libraries.

Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Networking and Interconnects | Programming Languages and Models | Software Engineering | Software Libraries

Judy Hill presents at a lectern to an auditorium of people

Source: LLNL Computing

Road to El Capitan 10: Collaboration is key

The El Capitan Center of Excellence provides a conduit between national labs and commercial vendors, ensuring that the exascale system will meet everyone’s needs.

Co-Design | Collaborations | Emerging Architectures | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous

Ulrike Yang photo

Source: LLNL News

LLNL’s Yang honored among 2024 SIAM Class of Fellows

The Society for Industrial and Applied Mathematics (SIAM) announced the selection of Lawrence Livermore National Laboratory (LLNL) computational mathematician Ulrike Meier Yang as one of the 2024 Class of SIAM Fellows, the highest honor the organization bestows on its members.

Awards | Careers | Computational Math | Solvers

Carol Woodward speaks to the audience

Source: LLNL News

WiDS Livermore conference attendees network, share research and absorb wisdom

With over 90 people in attendance, including those attending online and in person, the WiDS Livermore conference was once again successful in facilitating the exchange of information and fresh idea

Careers | Data Science | Diversity | Events | Outreach

Todd's portrait next to the PTW logo

Source: LLNL News

Todd Gamblin named to HPCwire’s 'People to Watch' list for 2024

The high performance computing publication HPCwire has selected LLNL computer scientist Todd Gamblin as one of its “People to Watch” in HPC for 2024. The program recognized 12 HPC professionals who “play leading roles in driving innovation within their particular fields, making significant contributions to society as a whole.”

Careers | HPC Systems and Software

a person connects wires inside the supercomputer's racks

Source: Pleasanton Weekly

LLNL set to deploy world’s fastest supercomputer this year

The system will enable researchers from the National Nuclear Security Administration weapons design laboratories to create models and run simulations, previously considered challenging, time-intensive or impossible, for the maintenance and modernization of the United States’ nuclear weapons stockpile.

Emerging Architectures | Exascale | HPC Systems and Software

simulation of a hurricane in bright colors on a dark background

Source: YouTube

Video: Predicting climate change impacts on infrastructure

By taking weather variables such as wildfire, flooding, wind, and sunlight that directly impact the electrical grid into consideration, researchers can improve electrical grid model projections for a more stable future.

AI/ML | Climate | Computational Science | Critical Infrastructure | Cyber Security | Data Science | Multimedia

The Milky Way and night sky above Rubin Observatory's Auxiliary Telescope. The auxiliary telescope is at the lower left, and the night sky is sprinkled with stars. The denser area of the Milky Way extends upward on the right, bulging wider toward the top. Dark tendrils of dust clouds weave through the bulge.

Source: LLNL Computing

Cerebras components installed in one of the Lassen racks

Source: LLNL Computing

New research in time integration methods recognized at IEEE conference

Can novel mathematical algorithms help scientific simulations leverage hardware designed for machine learning? A team from LLNL’s Center for Applied Scientific Computing aimed to find out.

CogSim/AI/ML Hardware | Computational Math | Emerging Architectures | ODE Methods

WiDS Livermore logo of three women's silhouettes in profile

Source: Data Science Institute

WiDS Livermore returns for two events

The Lab is hosting two related WiDS events: First is a datathon on February 28, then the annual regional conference on March 13. These hybrid events are free and open to everyone.

Data Science | Diversity | Events | Outreach | Students

2024 Best Places to Work text with photo collage of employees

Source: LLNL News

LLNL makes Glassdoor’s 2024 ‘Best Places to Work’ list

The Lab has been honored with a Glassdoor Employees' Choice Award, recognizing the Best Places to Work in 2024. This is the fifth award LLNL has earned in Glassdoor’s award program since its inception in 2009.

Awards | Careers

Thirteen visiting students from Colorado College pose outdoors.

Source: LLNL Computing

Colorado College computer science students spend two immersive weeks at the Lab

Thirteen students traveled to Livermore in early December for a computer science course simulating pond ecology and evolution.

Biology/Biomedicine | Computational Science | Education | Events | Outreach | Students

Top row: two photos of a large building with a spire corrupted by glass blur and shot noise; bottom row: two multicolored rectangles (spectral heatmaps) corresponding to the photos

Source: LLNL Computing

Conference paper illuminates neural image compression

New research reveals subtleties in the performance of neural image compression methods, offering insights toward improving these models for real-world applications.

AI/ML | Computer Vision | Data Compression | Data Science

Konstantinos Parasyris presents his team’s paper in front of the audience

Source: LLNL News

Revolutionary tool speeds up GPU programs for scientific applications

An LLNL-led team has developed a method for optimizing application performance on large-scale GPU systems, providing a useful tool for developers running on GPU-based massively parallel and distributed machines.

HPC Systems and Software

Carol and Judy with SIAM log overlay on green background

Source: LLNL News

LLNL’s Woodward, Hill elected to key SIAM leadership positions

The Society for Industrial and Applied Mathematics (SIAM) announced the election of LLNL computational mathematician Carol Woodward as its president-elect and computational scientist Judy Hill as a council member for the organization.

Careers | Computational Math

LLNL software developer Kristi Belcher discusses a poster with attendees at the SC23 Poster Session

Source: LLNL News

Record-setting SC23 builds mile-high momentum for exascale computing, AI, and the future of HPC

A record number of attendees—more than 14,000—experts, researchers, vendors and enthusiasts in the field of HPC descended on the Mile High City for the 2023 International Conference for High Performance Computing, Networking, Storage and Analysis, colloquially known as SC23.

AI/ML | Data Science | Emerging Architectures | Events | Exascale | HPC Systems and Software

five people onstage at SC23

Source: LLNL News

LLNL’s Doerfert awarded IEEE Computer Society Early Career Researchers Award

Johannes Doerfert, a computer scientist in the Center for Applied Scientific Computing, was one of three researchers awarded the honor at SC23 in Denver.

Awards | HPC Systems and Software

x-ray image showing the interior of a piece of luggage

Source: Data Science Institute

For better CT images, new deep learning tool helps fill in the blanks

LLNL researchers collaborated with Washington University in St. Louis to devise a state-of-the-art, machine learning ML–based reconstruction tool for when high-quality computed tomography data is in low supply.

AI/ML | Data Science | Deep Learning | Scientific ML

six people onstage at SC23

Source: LLNL News

LLNL-led SCREAM team clinches inaugural Gordon Bell Prize for climate modeling

An LLNL-led effort that performed an unprecedented global climate model simulation on the world’s first exascale supercomputer has won the first-ever Association for Computing Machinery (ACM) Gordon Bell Prize for Climate Modelling, ACM officials announced.

Awards | Climate | Collaborations | Computational Science | Exascale

three people pose with the award

Source: LLNL News

Spack receives prestigious HPCwire award at SC23

Leading HPC publication HPCwire presented Spack developers with the Editor's Choice Award for Best HPC Programming Tool or Technology at SC23.

Awards | HPC Systems and Software | Open-Source Software | Software Build and Installation

9x9 grid of people in video chat

Source: LLNL Computing

Computational math community gathers for annual workshop

The MFEM virtual workshop highlighted the project’s development roadmap and users’ scientific applications. The event also included Q&A, student lightning talks, and a visualization contest.

Computational Math | Computational Science | Discrete Mathematics | Events | Open-Source Software | Outreach | PDE Methods | Software Libraries