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3D colored image of shapes deformed by pressure from other shapes

In this issue: contact mechanics, HPC optimization, quantum control, and reduced-order models

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Gordon Bell Winners accepting award from HPCWire

At SC25, LLNL earned multiple top honors across exascale computing, open-source software and real-world scientific applications, receiving four 2025 HPCwire awards and a Hyperion Research HPC Innovation Excellence Award.

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Lori Diachin addressing SC25 with hpc ignites in background

LLNL’s presence, which included dozens of sessions, including tutorials, workshops, paper presentations and birds-of-a-feather meetings was felt across virtually every major event of the week.

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group accepting their Gordon Bell prizes with the SC25 logo in the back

Widely viewed as the highest recognition in HPC, the Gordon Bell Prize recognizes innovations that push the limits of computational performance, scalability and scientific impact on pressing real-world problems.

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rocket simulation images

Researchers used the exascale supercomputer El Capitan to perform the largest fluid dynamics simulation ever—surpassing one quadrillion degrees of freedom in a single computational fluid dynamics problem.

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El Capitan and Tuolumne

El Capitan once again claimed the top spot on the Top500 List of the world’s most powerful supercomputers, announced today at the 2025 International Conference for High Performance Computing, Networking, Storage and Analysis (SC25) conference in St. Louis.

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elmerfold protein folding visualization

Scientists at LLNL and collaborators at AMD and Columbia University have achieved a milestone in biological computing: completing the largest and fastest protein structure prediction workflow ever run, using the full power of El Capitan.

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Grand challenge cover and article pages and title

The latest issue of LLNL's magazine marks the 20th anniversary of the Computing Grand Challenge.

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a collage of visualizations done on El Cap era systems

With the arrival of the exascale supercomputer El Capitan, Lawrence Livermore National Laboratory researchers are entering a new era of scientific simulation — one in which they can model extreme physical events with unprecedented resolution, realism and speed.

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Graphic portraying AI use in fusion energy research

In a paper published in Science, Lawrence Livermore National Laboratory researchers detail how they used physics-informed deep learning and a cognitive simulation framework to forecast the success of the historic Dec. 5, 2022 fusion ignition shot, predicting a greater than 70% probability that it would exceed the energy breakeven point — producing more energy from the fusion reaction than the laser energy used to drive it.

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A HYDRA simulation

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.

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Graphic of advanced, realtime tsunami forecasting system

Scientists at LLNL have helped develop an advanced, real-time tsunami forecasting system—powered by El Capitan, the world’s fastest supercomputer—that could dramatically improve early warning capabilities for coastal communities near earthquake zones.

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Optical equipment producing a rainbow of colors.

A unique laser optic design and two novel open-source software projects bring the Laboratory’s R&D 100 awards total to 182.

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Collage of high performance computer and cancer cell

As described in a recent paper published by Science, a new cancer drug candidate developed by Lawrence Livermore National Laboratory, BBOT (BridgeBio Oncology Therapeutics) and the Frederick National Laboratory for Cancer Research has demonstrated the ability to block tumor growth without triggering a common and debilitating side effect.

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

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

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El Capitan

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.

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

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

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ISC25 banner

LLNL participates in the ISC High Performance Conference (ISC24) on June 10–13.

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screenshot of code on light gray background

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

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red and teal antibody structure

Researchers from LLNL, in collaboration with other leading institutions, have successfully used an AI-driven platform to preemptively optimize an antibody to neutralize a broad diversity of SARS-CoV-2 variants.

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

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.

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

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

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cover of S&TR featuring El Capitan alongside interior pages

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

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An artist’s conception of the exoplanet K2-33b, a 10-Myr-old, Jupiter-sized planet, transiting in front of its active host star.

LLNL, Arizona State University and Michigan State University will dive deep into uncovering the compositions of 70 exoplanets through the Computing Grand Challenge Program, which allocates significant quantities of institutional computational resources to scientists to perform cutting-edge research.

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

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