Our research projects vary in size, scope, and duration, but they share a focus on developing tools and methods that help LLNL deliver on its missions to the nation and, more broadly, advance the state of the art in scientific HPC. Projects are organized here in three ways: Active projects are those currently funded and regularly updated. Legacy projects are no longer actively developed. The A-Z option sorts all projects alphabetically, both active and legacy.

Active | A-Z | Legacy


Compressed Floating-Point and Integer Arrays

zfp is an open-source C/C++ library for compressed floating-point and integer arrays that support high throughput read and write random access.


Vendor-Agnostic Power Management

Collecting variants in low-level hardware features across multiple GPU and CPU architectures.


Scalable Checkpoint/Restart for MPI

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


An Application-Oriented, User-Level Memory-Mapping Library

UMap uniquely exploits the prominent role of complex memories in today’s servers and offers new capabilities to directly access large memory-mapped datasets.


User-Level File System for Supercomputers

This open-source file system framework accelerates hierarchical HPC I/O operations with effective, efficient use of node-local storage.


Enabling Technologies for High-Order Simulations

The Enabling Technologies for High-Order Simulations (ETHOS) project performs research of fundamental mathematical technologies for next-generation high-order simulations algorithms.


Machine Learning for HPC Workflows

Merlin is an open-source workflow orchestration and coordination tool that makes it easy to build, run, and process large-scale workflows.


Scalable Finite Element Discretization Library

The open-source MFEM library enables application scientists to quickly prototype parallel physics application codes based on PDEs discretized with high-order finite elements.


Scalable Quantum Optimal Control

Quandary is an open-source C++ package for optimal control of quantum systems on classical high performance computing platforms.


A Flexible Package Manager for HPC Software

Livermore builds an open-source community around its award-winning HPC package manager.


Improving Efficiency and Robustness of the U.S. Electrical Power Grid using HPC

Responding to a DOE grid optimization challenge, an LLNL-led team developed the mathematical, computational, and software components needed to solve problems of the real-world power grid.


Improving File System Efficiency

LC’s adaptation of OpenZFS software provides high performance parallel file systems with better performance and scalability.


POD-Based Reduced Order Modeling

libROM is a library designed to facilitate Proper Orthogonal Decomposition (POD) based Reduced Order Modeling (ROM).


Vlasov Continuum Kinetics

A high-fidelity, specialized code solves partial differential equations for plasma simulations.

Exascale Archiving

Massive-Scale Tape Libraries

LLNL is home to the world’s largest Spectra TFinityTM system, which offers the speed, agility, and capacity required to take LLNL into the exascale era.

Floating Point Compression

Lossless and Lossy Solutions

High-precision numerical data from computer simulations, observations, and experiments is often represented in floating point and can easily reach terabytes to petabytes of storage.


SUite of Nonlinear and DIfferential/ALgebraic Equation Solvers

This project solves initial value problems for ODE systems, sensitivity analysis capabilities, additive Runge-Kutta methods, DAE systems, and nonlinear algebraic systems.


Building a Framework for Resource Management

This 2021 R&D 100 award-winning software solves data center bottlenecks by enabling resource types, schedulers, and framework services to be deployed as data centers evolve.


Supporting Climate Research Collaboration

The Earth System Grid Federation is a web-based tool set that powers most global climate change research.

Backlighter Tech

Automated Software to Optimize NIF Shot Efficiency

The latest generation of a laser beam–delay technique owes its success to collaboration, dedication, and innovation.


High Performance Storage System

Livermore’s archive leverages a hierarchical storage management application that runs on a cluster architecture that is user-friendly, extremely scalable, and lightning fast.

Automated Testing System

Ensuring Reliability of HPC Codes

LLNL’s Python 3–based ATS tool provides scientific code teams with automated regression testing across HPC architectures.


Rapid Application Development via an Institutional Universal Software Stack

The RADIUSS project aims to lower cost and improve agility by encouraging adoption of our core open-source software products for use in institutional applications.


Software Development Resource Center

The Software Development Resource Center connects developers across LLNL through best practices in software tools, development methodologies, DevOps, security compliance, and more.