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

a helical cool steam generator with 72 tubes for Re=27,000, using 1.4 billion grid points and 131,000 MPI ranks


Source: Exascale Computing Project

CEED’s impact on Exascale Computing Project efforts is wide-ranging

The Center for Efficient Exascale Discretizations (CEED) within the ECP involves more than 30 computational scientists from 2 DOE labs (Livermore and Argonne) and 5 universities.

Co-Design | Computational Math | Discrete Mathematics

slide projected on a screen showing power stats of building 453


Source: Data Center Dynamics

Cooling exascale: LLNL plans two exascale supercomputers totaling 85MW

Supercomputers have always been at the forefront of cooling technologies, with their high-power densities demanding careful attention. An LLNL team is upgrading facilities for exascale supercomputers.

HPC Architectures | HPC Systems and Software

Meghan McGarry


Source: LLNL Computing

Meghan McGarry leads LLNL in new nuclear nonproliferation consortium

In the recently launched MTV Consortium, the Lab and academia join forces to address crucial global security challenges.

Careers | Computational Science

Ryan Chen in his office


Source: LLNL News

Dirty bomb simulator prepares responders

Ryan Chen, LLNL data analyst and visualization technologist, has developed a model called the RDD Studio that provides a detailed simulation of an optimal response to a radiological dispersal device.

Computational Science | Data Science | Scientific Visualization

artist's rendering of the brain sitting on a computer chip


Source: Science & Technology Review

Small brain-on-a-chip promises big payoffs

LLNL’s brain-on-a-chip may offer an effective way to evaluate the organ’s response to threats. Data analytics and HPC modeling help scientists better understand neuronal networks.

Computational Science | Emerging Architectures | Neuromorphic Computing

vehicle chassis with areas marked for resistance and absorption


Source: LLNL News

HPC4EI program announces first awards for public/private partnerships

The HPC4EI program announced 9 public/private projects awarded more than $2 million from the DOE. This program is the umbrella entity for the HPC4Mfg and HPC4Mtls programs, headed out of LLNL.

Awards | Computational Science | Hydrodynamics | Materials Science

wide-angle view of the Sierra machine room


Source: PCMag

Why do we need supercomputers and who Is using them?

LLNL is home to several supercomputers, including Sierra, the world's second fastest. PCMag stopped by to find out how these computers handle virtual nuclear weapons tests and weather modeling.

Computational Science | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous

simulation of earthquake along the Hayward Fault


Source: insideHPC

Supercomputing potential impacts of a major quake by building location and size

Researchers from Lawrence Livermore and Berkeley Labs are using supercomputers to quantify earthquake hazard and risk across the Bay Area.

Computational Science | Seismology

asteroid breaking up during atmospheric re-entry


Source: insideHPC

Supercomputing asteroid impacts for planetary defenses

In support of NASA’s Planetary Defense Coordination Office, researchers are creating 3D models and using LLNL's ALE3D code to produce simulations of hypothetical asteroid impact scenarios.

Computational Science | Space Science

Trinity supercomputer


Source: HPCwire

Hyperion Research announces new winners of HPC Innovation Excellence awards

An LLNL team used LANL's Trinity supercomputer for a machine-learned surrogate representation of their laser-driven fusion implosion model.

Awards | Computational Science | Hydrodynamics | Materials Science

Lassen supercomputer


Source: LLNL News

LLNL’s Lassen supercomputer leaps to no. 10 on TOP500 list, Sierra remains no. 2

LLNL’s Lassen joined Sierra in the top 10 of the TOP500 list of the world’s most powerful supercomputers, announced at the 2019 International Supercomputing Conference in Frankfurt, Germany.

Awards | Computational Science | HPC Systems and Software

Sierra supercomputer


Source: LLNL News

LLNL, Foundation seek to set up ALS consortium

LLNL and the Livermore Lab Foundation may establish a consortium to leverage the Lab’s computing capabilities to identify causal factors for amyotrophic lateral sclerosis, or Lou Gehrig’s disease.

Biology/Biomedicine | Computational Science

cross section of a rainbow-colored simulation


Source: Phys.org

Preparing scientific applications for exascale computing

Next-generation computing systems are projected to surpass the speed of today's supercomputers by 5–10 times. This article explains OpenMP-relevant initiatives under the Exascale Computing Project.

Computational Science | Emerging Architectures | HPC Architectures | HPC Systems and Software | Programming Languages and Models

students outside the Sierra machine room


Source: LLNL News

Two-week workshop lets UC Merced students step into shoes of Lab computer scientists

LLNL recently hosted its first-ever Data Science Challenge Workshop, a two-week crash course in what it’s like to work in data science, with students from UC Merced.

Data Science | Students

LLNL at ISC over Sierra Supercomputer


Source: LLNL Computing

ISC19 event calendar

LLNL heads to the ISC High Performance Conference (ISC19) in Frankfurt, Germany, on June 16 to 20.

Events | HPC Systems and Software

Stephen and colleague alongside the SC19 logo


Source: Supercomputing Conference 2019

Stephen Herbein keeps his SC conference connection thriving

LLNL computer scientist Stephen Herbein (pictured at right, above) was a student volunteer during his first SC conference. Now he's on the planning committee.

Careers | Events | Outreach | Students

three men talking, two shaking hands


Source: LLNL News

NFL comes to Lab to hear latest on TBI research

NFL officials visited LLNL to hear how national labs are using HPC and AI to advance scientific understanding of traumatic brain injury.

Biology/Biomedicine | Computational Science

Joe Eklund at a podium in front of the American flag


Source: Data Science Institute

Speech generation: siblings collaborate on machine learning hackathon project

Brothers and Computation teammates Joe and Sam Eklund discuss their multi-hackathon project using Deep Voice 3.

AI/ML | Data Science | Deep Learning | Hackathons

NLIT 2019 logo over a starry night sky


Source: LLNL Computing

NLIT 2019 event calendar

National Laboratories Information Technology (NLIT) Summit is a valuable annual event for LLNL’s IT professionals and the DOE complex.

Events | Information Technology

eight magazines fanned on a coffee table


Source: LLNL Computing

Kathryn Mohror completes tenure as S&TR scientific editor

Kathryn Mohror's tenure with the Lab's magazine produced eight issues.

Careers

Girls Who Code students and volunteers pose as a team


Source: LLNL Computing

Middle school coding club caps off another successful year with help from Livermore and Sandia trio

For students interested in learning coding and computer technology, the Girls Who Code clubs in the Livermore middle and high schools are the place to be.

Diversity | Outreach | Students

Sierra supercomputer


Source: Data Center Dynamics

How machine learning could change science

Fred Streitz explains LLNL's work to exploit the relationship between simulation and experiments to build predictive codes.

AI/ML | Computational Science | Data Science

supercomputer with a sky and cloud background


Source: GCN

Opening supercomputing to all agencies

LLNL's Ian Lee discusses the importance of open-source software and cloud computing for HPC centers and government agencies.

HPC Systems and Software | Open-Source Software | Scientific Cloud Computing | Software Engineering

astronaut tethered to a capsule


Source: Better Scientific Software

Continuous technology refreshment: an introduction using recent tech refresh experiences on VisIt

An LLNL-authored blog post describes the practice of continuous technology refreshment—the upgrade or replacement of infrastructure to deliver reliability, speed, capacity, and/or features.

CI/CD | DevOps | Open-Source Software | Software Engineering | Software Libraries | Web Technologies

magazine cover with images of article pages arranged beside it


Source: Science & Technology Review

S&TR cover story: Machine learning on a mission

As demonstrated by CASC computer scientists, LLNL's innovative data-driven machine learning techniques teach computers to solve real-world problems.

AI/ML | Computational Math | Data Science | ML Theory | Scientific Visualization