3D rectangle divided into an irregular mesh colored blue, red, and green


Source: LLNL Computing

Robust evaluation of PDE solutions on high-order meshes

A new mathematical technique improves the computational efficiency of evaluating the solution in large-scale, high-order meshes on advanced HPC systems.

Computational Math | Discrete Mathematics | HPC Systems and Software | Hybrid/Heterogeneous | PDE Methods | Programming Languages and Models

Kathleen presenting at a podium in front of a big screen, which shows a slide titled “User Feedback Requesting More Build Parallelism”


Source: LLNL Computing

Global community convenes for Spack’s first user meeting

Nicknamed SUM25, Spack’s first user meeting showcased new development and a thriving community.

Events | HPC Systems and Software | Open-Source Software | Outreach | Software Build and Installation

El Capitan supercomputer


Source: LLNL News

El Capitan reigns supreme across three major supercomputing benchmarks

LLNL's flagship exascale machine maintained its status as the fastest supercomputer on the planet—claiming the No. 1 spot on not just one, but three of the most prestigious HPC rankings.

HPC Architectures | HPC Systems and Software

stock photo of people studying and learning at a laptop


Source: High Performance Computing Innovation Center

Register for HPC tutorials this summer

Learn how to use a modern, open-source HPC software stack! From mid-July to mid-September, join our tutorials on how to install and use several projects on AWS EC2 instances (provided). All experience levels are welcome.

Education | Events | HPC Systems and Software | Open-Source Software | Outreach | Scientific Cloud Computing | Software Engineering | Software Libraries

microphone, podcast logo, and photo of two people with a quantum computer


Source: LLNL News

Big Ideas Lab podcast enters the quantum realm

In the current episode of the Big Ideas Lab, dive into the strange new frontier where physics meets information, and reality gets rewritten—qubit by qubit.

Emerging Architectures | Multimedia | Quantum Computing

DOE secretary and LLNL officials in the machine room


Source: LLNL News

DOE Secretary Wright gets up-close look at innovation in action during LLNL visit

Wright’s day-long visit—his first to LLNL since being appointed Energy secretary—included behind-the-scenes tours of some of LLNL’s most advanced facilities and machines, from the National Ignition Facility to El Capitan, the world’s most powerful supercomputer.

Events | HPC Systems and Software

four people in NIF hard hats


Source: LLNL News

U.S. Energy Secretary Wright visits LLNL

Wright’s daylong visit included briefings and discussions with LLNL experts in key mission areas including stockpile modernization, fusion energy, AI, cyber security and supercomputing.

AI/ML | Cyber Security | Data Science | Events | HPC Systems and Software

Proteus code snippets showing how the user annotates host functions and device kernel functions


Source: LLNL Computing

Proteus arrives just in time for faster HPC code compilation

A new just-in-time compilation approach leverages LLVM intermediate representation to optimize GPU kernels with portability to any GPU architecture.

Compiler Technology | HPC Systems and Software | Hybrid/Heterogeneous | Open-Source Software | Performance, Portability, and Productivity | Programming Languages and Models

Adobe Stock image of a generic GPU viewed close up on a circuit board


Source: LLNL Computing

Distinguished paper offers unique solution for GPU offloading

Research recognized at the HiPC IEEE conference proposes using an optimized version of OpenMP for vendor-agnostic GPU performance, portability, and scalability.

Compiler Technology | Data Movement and Memory | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Middleware | Performance, Portability, and Productivity | Programming Languages and Models | Software Engineering

image from a telescope of distant galaxies and stars


Source: LLNL News

Mapping cosmic shear to illuminate dark energy

In a recent study published in the Astrophysical Journal, LLNL researchers developed an innovative approach to map cosmic shear using linear algebra, statistics, and HPC.

Computational Math | Computational Science | Data Science | HPC Systems and Software | Space Science | UQ and Statistics

half of a face with the text "HPCwire people to watch 2025"


Source: HPCwire

Lori Diachin on HPCwire's 2025 People to Watch list

People to Watch are at the forefront of HPC trends, adapting new technology to the rapidly changing world in order to unlock the answers to the biggest societal challenges of our time and make the impossible, possible.

Careers | HPC Systems and Software

looking between rows of a supercomputer’s racks, superimposed with various images of data analysis graphs and plots


Source: LLNL Computing

Enhancing the software ecosystem with LLMs

Over the next three years, CASC researchers and collaborators will integrate LLMs into HPC software to boost performance and sustainability.

AI/ML | Data Science | HPC Systems and Software | Natural Language Processing | Performance, Portability, and Productivity | Software Engineering

cover of S&TR featuring El Capitan alongside interior pages


Source: Science & Technology Review

S&TR cover story: Introducing El Capitan

The latest issue of LLNL's magazine explains how the world’s most powerful supercomputer helps scientists safeguard the U.S. nuclear stockpile.

AI/ML | Computational Science | Data Science | Emerging Architectures | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Performance, Portability, and Productivity | Software Engineering | Software Libraries

person's hand holding an APU processor with supercomputer racks in the background


Source: Science

High-performance computing at a crossroads

LLNL's Bruce Hendrickson joins other HPC luminaries in this op-ed about the future of the field.

AI/ML | Computational Math | Computational Science | Data Science | HPC Architectures | HPC Systems and Software | Scientific Cloud Computing

shifts shown in waves in pink and purple on a dark background; y-axis is time


Source: LLNL News

Quantum computers successfully model particle scattering

When quantum mechanical particles scatter, it shifts the position of their wave. The new algorithm accurately measures these shifts, opening the way to quantum simulations of scattering processes.

Emerging Architectures | Quantum Computing

Hooded person hacking into a computer in a dark atmosphere with multiple monitors and cable


Source: LLNL Computing

DOE logo on dark background with text Secretary's Honor Achievement Awards


Source: LLNL News

Lab teams recognized with Secretary of Energy’s Honor Awards

Among the honorees was the Exascale Computing Project leadership team, which successfully delivered the 7-year, $1.8 billion collaboration among six DOE national laboratories.

Awards | Emerging Architectures | Exascale

Kim Budil speaks from a podium in the auditorium


Source: YouTube

Video: LLNL dedicates El Capitan

Hundreds of current and former LLNL employees, government officials, and industry leaders gathered on January 9 to mark a monumental achievement: the dedication of El Capitan, the world’s fastest supercomputer.

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

Antonio Neri and Lisa Su flank the end of an El Capitan rack where they signed their names next to the logo


Source: LLNL News

LLNL dedicates El Capitan, ushering in new era in supercomputing for national security

The event marked a monumental achievement with the acceptance and deployment of the first exascale computing system built for the NNSA, a historic milestone in national security and scientific computing recognizing the collaborative efforts of government, industry and scientific leaders.

Co-Design | Emerging Architectures | Events | Exascale | HPC Architectures | HPC Systems and Software

three people at a table with microphones in front of an SC24-branded backdrop


Source: LLNL News

A look back at SC24

SC24, held recently in Atlanta, was a landmark event, setting new records and demonstrating LLNL's unparalleled contributions to HPC innovation and impact.

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

nine people pose in jubilation at the DOE exhibit booth


Source: LLNL News

LLNL teams win two HPCwire awards at SC24

Two teams led by LLNL computer scientists won Editor’s Awards from HPCwire, a leading high performance computing industry publication, at the 2024 Supercomputing Conference in Atlanta.

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

dozens of workshop participants pose as a group outside the UCLCC building


Source: LLNL Computing

Cerebras hardware chassis on a white background


Source: LLNL News

NNSA researchers break the molecular-dynamics timescale barrier with world’s largest chip

In a groundbreaking development for computational science, a team of Tri-Lab researchers has unveiled a revolutionary approach to molecular dynamics simulations using the Cerebras Wafer-Scale Engine, the world’s largest computer chip.

Computational Science | HPC Architectures | HPC Systems and Software | Materials and Manufacturing

Big Ideas podcast logo, microphone, and El Capitan supercomputer


Source: LLNL News

Podcast: Introducing El Capitan

On the newest episode of the Big Ideas Lab podcast, listeners will go behind the scenes of LLNL's latest groundbreaking achievement: El Capitan, the world’s most powerful supercomputer.

Emerging Architectures | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Multimedia