llnl repositories

159 repositories

proteus
Public
Programmable JIT Compilation and Optimization for C/C++ using LLVM
C++
•
Apache License 2.0
•10•54•60•5•Updated Oct 8, 2026Oct 8, 2026
Umpire
Public
An application-focused API for memory management on NUMA & GPU architectures
cpp hpc gpu
cpp hpc gpu memory-management blt portability radiuss
C++
•
MIT License
•65•422•24•13•Updated Oct 8, 2026Oct 8, 2026
spheral
Public
python simulations sph
python simulations sph hydrodynamics astronomical-algorithms hydrodynamic-modeling llnl meshfree simulations-physics math-physics
C++
•
BSD 3-Clause "New" or "Revised" License
•24•84•33•7•Updated Oct 8, 2026Oct 8, 2026
Caliper
Public
Caliper is an instrumentation and performance profiling library
performance cpp hpc
performance cpp hpc instrumentation trace performance-analysis performance-monitoring caliper annotation-apis radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•81•421•29•10•Updated Oct 8, 2026Oct 8, 2026
USER-EPH
Public
LAMMPS extension to capture electron-ion interaction. This is a mirror of https://gitlab.com/artuuuro/USER-EPH.
cpp gpu molecular-dynamics
cpp gpu molecular-dynamics electron-phonon-coupling lammps
C++
•
GNU General Public License v3.0
•8•22•6•0•Updated Oct 8, 2026Oct 8, 2026
BoBa
Public
BoBa Tensor Decomposition Library (C++)
C++
•
Apache License 2.0
•3•9•0•3•Updated Oct 8, 2026Oct 8, 2026
smith
Public
Smith is a high order nonlinear thermomechanical simulation code
cpp simulation finite-elements
cpp simulation finite-elements proxy-application math-physics
C++
•
BSD 3-Clause "New" or "Revised" License
•36•245•156•22•Updated Oct 8, 2026Oct 8, 2026
GridDyn
Public
GridDyn is an open-source power transmission simulation software package
energy cpp simulation
energy cpp simulation
C++
•
BSD 3-Clause "New" or "Revised" License
•27•63•4•1•Updated Oct 8, 2026Oct 8, 2026
SAMRAI
Public
Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for block-structured AMR application development
cpp hpc parallel-computing
cpp hpc parallel-computing scientific-computing amr adaptive-mesh-refinement math-physics radiuss
C++
•
Other
•89•250•52•7•Updated Oct 8, 2026Oct 8, 2026
polytope
Public
A library for generating Voronoi and Voronoi-like tessellations for computational domains with nontrivial boundaries.
hpc parallel-computing scientific-computing
hpc parallel-computing scientific-computing computational-geometry tessellation voronoi
C++
•
Other
•4•10•10•5•Updated Oct 7, 2026Oct 7, 2026
axom
Public
CS infrastructure components for HPC applications
c-plus-plus cpp fortran
c-plus-plus cpp fortran hpc parallel-computing llnl radiuss app-infrastructure
C++
•
BSD 3-Clause "New" or "Revised" License
•37•197•222•29•Updated Oct 8, 2026Oct 8, 2026
Tribol
Public
Modular interface physics library featuring state-of-the-art contact physics methods.
math-physics
math-physics
C++
•
MIT License
•11•40•37•14•Updated Oct 8, 2026Oct 8, 2026
RAJA
Public
RAJA Performance Portability Layer (C++)
c-plus-plus cpp parallel-computing
c-plus-plus cpp parallel-computing blt programming-model portability raja llnl radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•118•602•160•37•Updated Oct 8, 2026Oct 8, 2026
ContinuationSolvers
Public
C++
•
BSD 3-Clause "New" or "Revised" License
•1•0•1•0•Updated Oct 6, 2026Oct 6, 2026
ERF
Public
Energy Research and Forecasting Model
C++
•
Other
•76•2•0•0•Updated Oct 6, 2026Oct 6, 2026
fpzip
Public
Lossless compressor of multidimensional floating-point arrays
compression cpp data-viz
compression cpp data-viz floating-point
C++
•
BSD 3-Clause "New" or "Revised" License
•18•126•2•0•Updated Oct 6, 2026Oct 6, 2026
dr_evt
Public
Discrete Resource Event Modeling and Multi-Cluster Job Scheduling Simulation
C++
•
MIT License
•2•4•0•1•Updated Oct 6, 2026Oct 6, 2026
TensorFEM
Public
C++
•
Apache License 2.0
•1•2•0•0•Updated Oct 3, 2026Oct 3, 2026
quandary
Public
Optimal control for open quantum systems
applications
applications
C++
•
MIT License
•16•60•6•5•Updated Oct 8, 2026Oct 8, 2026
units
Public
A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements
energy cpp conversion
energy cpp conversion measurements unit-conversions si-units physical-units math-physics string-conversions
C++
•
BSD 3-Clause "New" or "Revised" License
•36•173•5•1•Updated Oct 5, 2026Oct 5, 2026
blt
Public
A streamlined CMake build system foundation for developing HPC software
testing cmake cpp
testing cmake cpp hpc cuda build-system blt build-tools radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•68•297•131•11•Updated Sep 30, 2026Sep 30, 2026
conduit
Public
Simplified Data Exchange for HPC Simulations
python yaml json
python yaml json cpp fortran hpc scientific-computing hdf5 data-management llnl
C++
•
Other
•75•247•215•8•Updated Sep 30, 2026Sep 30, 2026
SNLS
Public
GPU-friendly Small Non-Linear Solvers (SNLS)
solver math-physics
solver math-physics
C++
•
BSD 3-Clause "New" or "Revised" License
•3•19•3•1•Updated Sep 30, 2026Sep 30, 2026
zfp
Public
Compressed numerical arrays that support high-speed random access
compression data-viz arrays
compression data-viz arrays floating-point radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•184•887•37•6•Updated Sep 29, 2026Sep 29, 2026
metall
Public
Persistent memory allocator for data-centric analytics
cpp allocator memory-allocator
cpp allocator memory-allocator persistent-memory ecp exascale-computing
C++
•
Other
•16•68•2•4•Updated Oct 5, 2026Oct 5, 2026
CHAI
Public
Copy-hiding array abstraction to automatically migrate data between memory spaces
cpp gpu memory-management
cpp gpu memory-management blt portability raja data-abstraction radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•23•111•15•15•Updated Sep 28, 2026Sep 28, 2026
hiop
Public
HPC solver for nonlinear optimization problems
hpc optimization solver
hpc optimization solver mpi cuda constrained-optimization nonlinear-programming-algorithms nonlinear-optimization nonlinear-programming interior-point-method
C++
•
Other
•50•231•49•19•Updated Oct 8, 2026Oct 8, 2026
camp
Public
Compiler agnostic metaprogramming library providing concepts, type operations and tuples for C++ and cuda
cpp
cpp
C++
•
BSD 3-Clause "New" or "Revised" License
•26•107•33•4•Updated Sep 25, 2026Sep 25, 2026
clams-cc
Public
ClaMS Clustering Comparison
C++
•
Other
•0•0•0•0•Updated Sep 24, 2026Sep 24, 2026
exadis
Public
ExaDiS (Exascale Dislocation Simulator) is a portable library for Discrete Dislocation Dynamics simulations that runs on GPU
application gpu kokkos
application gpu kokkos dislocation-dynamics
C++
•
BSD 3-Clause "New" or "Revised" License
•11•21•0•1•Updated Sep 24, 2026Sep 24, 2026

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Lawrence Livermore National Laboratory

All

159 repositories

proteus

Umpire

spheral

Caliper

USER-EPH

BoBa

smith

GridDyn

SAMRAI

polytope

axom

Tribol

RAJA

ContinuationSolvers

ERF

fpzip

dr_evt

TensorFEM

quandary

units

blt

conduit

SNLS

zfp

metall

CHAI

hiop

camp

clams-cc

exadis

Repositories list

159 repositories