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

inset of Kathryn's photo overlaid on photo of three people standing in front of Frontier

Source: Oak Ridge National Laboratory

UnifyFS team wins IPDPS award for open-source software

A research team from Oak Ridge and Lawrence Livermore national labs won the first IPDPS Best Open-Source Contribution Award for the paper “UnifyFS: A User-level Shared File System for Unified Access to Distributed Local Storage.”

Awards | Collaborations | HPC Systems and Software | Open-Source Software | Storage, File Systems, and I/O

Scattered fluffy clouds in the sky.

Source: LLNL Computing

Improving models of clouds and atmospheric turbulence

With simple mathematical modifications to a common model of clouds and turbulence, LLNL scientists and their collaborators helped minimize nonphysical results.

Climate | Collaborations | Computational Math | Computational Science

Sierra supercomputer and National Ignition Facility photos combined with abstract graphic representing experimental data and simulations

Source: LLNL News

HPC, AI, and CogSim helped LLNL conquer fusion ignition

The “crystal ball” that provided increased pre-shot confidence in LLNL's fusion ignition breakthrough involved a combination of detailed HPC design and a suite of methods combining physics-based simulation with machine learning—called cognitive simulation, or CogSim.

AI/ML | Data Science | Scientific ML

abstract blue cover image of the report with its title in text overlay

Source: LLNL News

Visionary report unveils ambitious roadmap to harness the power of AI in scientific discovery

The report lays out a comprehensive vision for the DOE Office of Science and NNSA to expand their work in scientific use of AI by building on existing strengths in world-leading high performance computing systems and data infrastructure.

AI/ML | CogSim/AI/ML Hardware | Data Science | Emerging Architectures | Scientific ML

El Capitan rendering

Source: The Next Platform

Talking novel architectures and El Capitan with Lawrence Livermore

LLNL CTO Bronis de Supinski talks about how the Lab deploys novel architecture AI machines and provides an update on El Capitan.

CogSim/AI/ML Hardware | Emerging Architectures | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous

Jacob Wahlgren is on stage accepting the Research Poster Award certificate

Source: LLNL Computing

Investigation of disaggregated memory systems wins poster award

Splitting memory resources in high performance computing between local nodes and a larger shared remote pool can help better support diverse applications.

Awards | Data Movement and Memory | HPC Systems and Software | Hybrid/Heterogeneous

Lori standing next to the ECP logo with text overlay of her name and new role

Source: LLNL News

LLNL’s Diachin takes helm of DOE’s Exascale Computing Project

Lori Diachin will take over as director of the DOE’s Exascale Computing Project on June 1, guiding the successful, multi-institutional high performance computing effort through its final stages.

Careers | Collaborations | Exascale | HPC Systems and Software

ECP logo

Source: Exascale Computing Project

Podcast: Siting the El Capitan exascale supercomputer

Livermore CTO Bronis de Supinski joins the Let's Talk Exascale podcast to discuss the details of LLNL's upcoming exascale supercomputer.

Emerging Architectures | Exascale | HPC Architectures | HPC Systems and Software | Multimedia

orange and blue bully simulation with text overlay "zfp: Compressed Floating-Point and Integer Arrays"

Source: YouTube

Video: Data compression for modern supercomputing applications

Unique among data compressors, zfp is designed to be a compact number format for storing data arrays in-memory in compressed form while still supporting high-speed random access.

Data Compression | Data Science | Multimedia | Open-Source Software

Variorum team standing outside B453 with text overlay "enabling energy efficiency in HPC"

Source: YouTube

Video: Vendor-agnostic power management

Variorum provides robust, portable interfaces that allow us to measure and optimize computation at the physical level: temperature, cycles, energy, and power. With that foundation, we can get the best possible use of our world-class computing resources.

HPC Systems and Software | Multimedia | Open-Source Software | Performance, Portability, and Productivity | Power Management

Ignacio Laguna and colleagues standing with the ISC 2023 Hans Meuer Award certificate.

Source: LLNL Computing

Best paper winner finds the sources of calculation inconsistencies

Updating a compiler can affect how code runs, leading to inconsistencies in outputs and creating problems for scientists. A new tool automatically finds the sources of these inconsistencies.

Awards | Compiler Technology | HPC Systems and Software | Open-Source Software

Brian and Bronis in front of the SambaNova hardware

Source: LLNL News

LLNL and SambaNova Systems announce additional AI hardware to support Lab’s cognitive simulation efforts

The addition of the spatial data flow accelerator into LLNL’s Livermore Computing Center is part of an effort to upgrade the Lab’s cognitive simulation (CogSim) program.

Co-Design | CogSim/AI/ML Hardware | Data Science | Emerging Architectures | HPC Systems and Software | Scientific ML

LLNL's supercomputing building

Source: Elastic

National lab uses Elastic to optimize performance of projected world's fastest supercomputer

The Lab was already using Elastic components to gather data from its HPC clusters, then investigated whether Elasticsearch and Kibana could be applied to all scanning and logging activities across the board.

Emerging Architectures | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Information Technology | Software Engineering

fireworks exploding over a city at night

Source: Data Science Institute

Celebrating the DSI’s first five years

Since 2018, the Lab has seen tremendous growth in its data science community and has invested heavily in related research. Five years later, the Data Science Institute has found its stride.

Collaborations | Data Science | Education | Outreach | Students

A group of young people work with pen and paper to solve a problem while adult helpers look on

Source: LLNL News

Girls Who Code ‘Altamont Connection’ brings students from Livermore and Tracy to the Lab

High school students from Livermore and Tracy visited LLNL on May 5 for a first-of-its kind event bringing the two cities’ Girls Who Code (GWC) programs and others together on-site.

Education | Outreach

cartoon of a person at a computer with a dog nearby

Source: Better Scientific Software

Surveys to understand developer health and happiness

Computer scientist Vanessa Sochat talks to BSSw about a recent effort to survey software developer needs at LLNL.

Computational Science | Open-Source Software | Software Engineering

two workers in reflective vests look at a power plant under a sunset

Source: LLNL Computing

Sierra supercomputer

Source: Information Week

How do supercomputers fit with strategies for sustainability?

Supercomputers broke the exascale barrier, marking a new era in processing power, but the energy consumption of such machines cannot run rampant.

Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Power Management

cartoon of workers assembling a fusion reactor

Source: GitHub

Open source is fueling the future of nuclear physics

Open-source software has played a key role in paving the way for LLNL's ignition breakthrough, and will continue to help push the field forward.

Computational Math | Computational Science | Data Science | Discrete Mathematics | Lasers and Optics | Open-Source Software | Scientific ML | Transport

cutaway of a 3D red ovoid shape with simulated movement inside

Source: LLNL News

Computing codes, simulations helped make ignition possible

For the physicists, computer scientists, and code developers who have worked on fusion for decades, computer simulations have been inexorably tied to the National Ignition Facility’s quest for ignition.

Computational Science | Hydrodynamics | Transport

Unidentified employee (Ruth Kilby, possible) with IBM 704, November 1957

Source: LLNL Computing

A look back: Women in early computing at LLNL

LLNL’s archives recount the contributions of women who developed code during the Lab's early decades.

Careers | Diversity | HPC Systems and Software | Programming Languages and Models

Chandrika's portrait next to the SIAM logo on a blue geometric background

Source: LLNL News

Chandrika Kamath honored as 2023 SIAM fellow

The prestigious fellow designation is a lifetime honorific title and honors SIAM members who have made outstanding contributions to fields served by the organization.

Awards | Careers | Computational Math | Computational Science | Data Management | Data Science

three panels showing progressive granularity of protein simulation

Source: LLNL News

Scientists develop model for more efficient simulations of protein interactions linked to cancer

The new model addresses a problem in simulating RAS behavior, where conventional methods come up short of reaching the time- and length-scales needed to observe biological processes of RAS-related cancers.

AI/ML | Biology/Biomedicine | Computational Science | Data Science | Multimedia

blue and red lattice structure on the left where blue indicates the lattice component that needs to be removed; black lattice structure on the right showing the optimized red portion of the left image

Source: LLNL Computing