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

Spack

A Flexible Package Manager for HPC Software

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

Legacy

Sphinx

Integrated Parallel Microbenchmark Suite

Sphinx, an integrated parallel microbenchmark suite, consists of a harness for running performance tests and extensive tests of MPI, Pthreads and OpenMP.

Spindle

Scalable Shared Library Loading

Spindle improves the library-loading performance of dynamically linked HPC applications. It plugs into the system’s dynamic linker and intercepts its file operations so that only one process (or…

StarSapphire

Data-Driven Modeling and Analysis

StarSapphire is a collection of scientific data mining projects focusing on the analysis of data from scientific simulations, observations, and experiments.

STAT

Discovering Supercomputers' Code Errors

LLNL’s Stack Trace Analysis Tool helps users quickly identify errors in code running on today’s largest machines.

SUNDIALS

SUite of Nonlinear and DIfferential/ALgebraic Equation Solvers

SUNDIALS is a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers for initial value problems for ordinary differential equation systems, sensitivity analysis capabilities, additive Runge-…

TEIMS

Taurus Environmental Information Management System

The Taurus Environmental Information Management System, or TEIMS, system manages collaborative tasks, site characterization, modeling, risk assessment, decision support, operations tracking,…

TESSA

Tracking Space Debris

Testbed Environment for Space Situational Awareness software helps to track satellites and space debris and prevent collisions.

Topological Analysis

Charting Data’s Peaks and Valleys

LLNL and University of Utah researchers have developed an advanced, intuitive method for analyzing and visualizing complex data sets.

TOSS

Speeding Up Commodity Cluster Computing

Researchers have been developing a standardized and optimized operating system and software for deployment across a series of Linux clusters to enable high performance computing at a reduced cost…

Umpire

Managing Heterogeneous Memory Resources

Umpire is a resource management library that allows the discovery, provision, and management of memory on next-generation architectures.

Unify

Distributed Burst Buffer File System

This open-source file system framework supports hierarchical HPC storage systems by utilizing node-local burst buffers.

Legacy

Veritas

Validating Proxy Apps

Veritas provides a method for validating proxy applications to ensure that they capture the intended characteristics of their parents.

Legacy

VPC

Variable Precision Computing

Researchers develop innovative data representations and algorithms to provide faster, more efficient ways to preserve information encoded in data.

XBraid

Parallel Time Integration with Multigrid

The scalable multigrid reduction in time (XBraid) approach constructs coarse time grids and uses each coarse time scale solution to improve the next finer-scale solution, ultimately yielding an…

zfp

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.

ZFS

Improving Lustre Efficiency

Computer scientists are incorporating ZFS into their high-performance parallel file systems for better performance and scalability.