Lawrence Livermore National Laboratory

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646 repositories

sundials
Public
Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and min…
hpc solver parallel-computing scientific-computing high-performance-computing sensitivity-analysis time-integration ode-solver dae-solver nonlinear-equation-solver
C
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BSD 3-Clause "New" or "Revised" License
•162•637•29•14•Updated Mar 2, 2026Mar 2, 2026
pEyeON
Public
Repository for the EyeON file manifest tool
Python
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MIT License
•1•4•8•11•Updated Mar 2, 2026Mar 2, 2026
ygm
Public
C++
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Other
•27•39•6•1•Updated Mar 2, 2026Mar 2, 2026
zero-rk
Public
Zero-order Reaction Kinetics (Zero-RK) is a software package that simulates chemically reacting systems in a computationally efficient manner.
application chemistry cpp simulation
C++
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BSD 3-Clause "New" or "Revised" License
•25•45•1•0•Updated Mar 2, 2026Mar 2, 2026
WarpX
Public
WarpX is an advanced, time-based electromagnetic & electrostatic Particle-In-Cell code.
applications
C++
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Other
•247•2•0•0•Updated Mar 2, 2026Mar 2, 2026
llnl.github.io
Public
Public home for LLNL software catalog
javascript jekyll website catalog portal gov
JavaScript
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MIT License
•58•63•14•0•Updated Mar 1, 2026Mar 1, 2026
hubcast
Public
An event driven synchronization application for bridging GitHub and GitLab
ci gitlab-ci github-app
Python
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Apache License 2.0
•3•24•16•14•Updated Mar 1, 2026Mar 1, 2026
Spindle
Public
Scalable dynamic library and python loading in HPC environments
performance radiuss
C
•
Other
•32•104•28•7•Updated Mar 1, 2026Mar 1, 2026
Surfactant
Public
Modular framework for file information extraction and dependency analysis to generate accurate SBOMs
python tool static-analysis dependency-analysis dependency-graph python3 dependencies spdx hacktoberfest software-composition-analysis
Python
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MIT License
•23•39•53•13•Updated Mar 1, 2026Mar 1, 2026
RAJA
Public
RAJA Performance Portability Layer (C++)
c-plus-plus cpp parallel-computing blt programming-model portability raja llnl radiuss
C++
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BSD 3-Clause "New" or "Revised" License
•112•568•207•38•Updated Feb 28, 2026Feb 28, 2026
RAJAPerf
Public
RAJA Performance Suite
c-plus-plus performance cpp programming-model raja llnl proxy-application
Jupyter Notebook
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BSD 3-Clause "New" or "Revised" License
•53•131•60•23•Updated Feb 28, 2026Feb 28, 2026
CHAI
Public
Copy-hiding array abstraction to automatically migrate data between memory spaces
cpp gpu memory-management blt portability raja data-abstraction radiuss
C++
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BSD 3-Clause "New" or "Revised" License
•23•111•17•16•Updated Feb 28, 2026Feb 28, 2026
conduit
Public
Simplified Data Exchange for HPC Simulations
python yaml json cpp fortran hpc scientific-computing hdf5 data-management llnl
C++
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Other
•70•240•194•7•Updated Feb 28, 2026Feb 28, 2026
quandary
Public
Optimal control for open quantum systems
applications
C++
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MIT License
•15•57•7•4•Updated Feb 28, 2026Feb 28, 2026
axom
Public
CS infrastructure components for HPC applications
c-plus-plus cpp fortran hpc parallel-computing llnl radiuss app-infrastructure
C++
•
BSD 3-Clause "New" or "Revised" License
•33•182•226•17•Updated Feb 28, 2026Feb 28, 2026
spheral
Public
python simulations sph hydrodynamics astronomical-algorithms hydrodynamic-modeling llnl meshfree simulations-physics math-physics
C++
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BSD 3-Clause "New" or "Revised" License
•23•74•35•9•Updated Feb 27, 2026Feb 27, 2026
SEAMsurrogates
Public
Shared Education in Artificial intelligence and Machine learning (SEAM) professional development course on "Surrogate Modeling and Design Optimization," as desi…
Python
•
Other
•1•5•5•0•Updated Feb 27, 2026Feb 27, 2026
radiuss-spack-configs
Public
Shared spack configurations for RADIUSS projects
radiuss
Python
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MIT License
•11•3•0•1•Updated Feb 27, 2026Feb 27, 2026
benchpark
Public
An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environments
benchmark performance hpc
Python
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Apache License 2.0
•43•66•125•20•Updated Feb 27, 2026Feb 27, 2026
libyogrt
Public
Your One Get Remaining Time library
C
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GNU Lesser General Public License v2.1
•10•8•3•0•Updated Feb 27, 2026Feb 27, 2026
smith
Public
Smith is a high order nonlinear thermomechanical simulation code
cpp simulation finite-elements proxy-application math-physics
C++
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BSD 3-Clause "New" or "Revised" License
•36•224•139•15•Updated Feb 27, 2026Feb 27, 2026
Tribol
Public
Modular interface physics library featuring state-of-the-art contact physics methods.
math-physics
C++
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MIT License
•9•35•28•11•Updated Feb 27, 2026Feb 27, 2026
RAJAPerf-Benchmark
Public
Scripts and data associated with RAJA Performance Suite benchmarking activities
Python
•
BSD 3-Clause "New" or "Revised" License
•0•1•0•0•Updated Feb 27, 2026Feb 27, 2026
lctio
Public
Livermore Computed Tomography Input/Output library
Python
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BSD 3-Clause "New" or "Revised" License
•0•0•0•0•Updated Feb 27, 2026Feb 27, 2026
mphys-surrogate-model
Public
This repository contains python scripts for training latent-space machine learning representations of warm rain droplet microphysics
Python
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Other
•0•0•0•0•Updated Feb 27, 2026Feb 27, 2026
HPC-Tutorials
Public
Future home of hpc-tutorials.llnl.gov
tutorial
C
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MIT License
•127•249•2•2•Updated Feb 27, 2026Feb 27, 2026
AMG2023
Public
Algebraic multigrid solver
math-physics
C
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Apache License 2.0
•18•9•3•1•Updated Feb 27, 2026Feb 27, 2026
Caliper
Public
Caliper is an instrumentation and performance profiling library
performance cpp hpc instrumentation trace performance-analysis performance-monitoring caliper annotation-apis radiuss
C++
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BSD 3-Clause "New" or "Revised" License
•76•398•27•11•Updated Feb 27, 2026Feb 27, 2026
microbenchmarks
Public
C++
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Apache License 2.0
•0•0•0•0•Updated Feb 27, 2026Feb 27, 2026
ibis
Public
Interactive Bayesian Inference and Sensitivity
performance uncertainty-quantification
Python
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MIT License
•0•0•0•0•Updated Feb 27, 2026Feb 27, 2026