Topic: HPC Systems and Software

A complex system of cooling towers, chillers, pumps, heat exchangers, sensors and more than 2,000 feet of pipes all work together to remove heat from the liquid-cooled exascale supercomputer El Capitan.

An integrated suite of software libraries combining instrumentation and runtime-controlled measurement with scalable analysis of performance profiles for HPC applications.

The LLNL Archives reveal a surprising history of computing chess innovation and competition.

LLNL participates in the International Parallel and Distributed Processing Symposium (IPDPS) on May 25–29.

Highlights include turbulent flows, virtual reality, correctness checkers, and AI for chemistry.

LLNL staff are heading to the National Laboratories Information Technology Summit (NLIT) on May 4–7.

Thanks to SCR, jobs run more efficiently, recover more work upon failure, and reduce load on critical shared resources.

This R&D 100 award-winning software solves HPC bottlenecks by enabling resource types, schedulers, and framework services to be deployed as needs evolve.

The Big Ideas Lab dives into the High Performance Computing for Energy Innovation program, a collaboration between national labs and private industry that tackles complex industrial challenges with computational science.

Six LLNL Computing researchers have been named Distinguished Members of Technical Staff in recognition of their extraordinary scientific and technical contributions.

FGPU provides code examples that port FORTRAN codes to run on IBM OpenPOWER platforms like LLNL's Sierra supercomputer.

To learn more about the work taking place at Livermore Computing and the potential this has for a wide range of real-world applications, The Innovation Platform spoke to LLNL’s Deputy for High Performance Computing, Judy Hill.

An LLNL-led team is using 700,000 node-hours of Department of Energy HPC resources to improve developer productivity.

Our researchers will be well represented at the SIAM Conference on Parallel Processing for Scientific Computing (PP26) on March 3–6. SIAM is the Society for Industrial and Applied Mathematics with an international community of more than 14,000 individual members.

The National Nuclear Security Administration’s high performance computing environments rely on a unified, scalable operating system.

Computer scientist Peter Lindstrom received the 2025 IEEE VIS Test of Time Award for his 2014 paper on near-lossless data compression, recognizing its lasting influence on the field of scientific visualization and HPC.

During the weeklong conference, attendees visiting the Department of Energy’s booth were treated to two technical demonstrations and a talk by LLNL staff.

Researchers are using LLNL’s unclassified supercomputers to delve into complex scientific questions such as uncovering how protein interactions are linked to cancer, shedding light on mysterious dark matter, and understanding the shifting dynamics of seismic waves.

A sophisticated, cost-effective framework combines HPC, ML models, and mathematical algorithms to optimize power grid stability and security.

Highlights include innovative solutions for contact mechanics, HPC optimization, quantum dynamics, and carbon capture.

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.

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.

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.

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.

Five years strong, the MFEM workshop fosters connection and collaboration among the computational math community.