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Lawrence Livermore National Laboratory

For over 70 years, the Lawrence Livermore National Laboratory has applied science and technology to make the world a safer place.

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  1. zfp zfp Public

    Compressed numerical arrays that support high-speed random access

    C++ 848 172

  2. sundials sundials Public

    Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.

    C 626 163

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 565 111

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 397 75

  5. Umpire Umpire Public

    An application-focused API for memory management on NUMA & GPU architectures

    C++ 396 61

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 284 65

Repositories

Showing 10 of 636 repositories
  • spheral Public
    llnl/spheral’s past year of commit activity
    C++ 72 BSD-3-Clause 23 35 (1 issue needs help) 14 Updated Feb 6, 2026
  • axom Public

    CS infrastructure components for HPC applications

    llnl/axom’s past year of commit activity
    C++ 182 32 225 (2 issues need help) 18 Updated Feb 6, 2026
  • benchpark Public

    An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environments

    llnl/benchpark’s past year of commit activity
    Python 66 Apache-2.0 42 135 17 Updated Feb 6, 2026
  • smith Public

    Smith is a high order nonlinear thermomechanical simulation code

    llnl/smith’s past year of commit activity
    C++ 225 BSD-3-Clause 35 140 (1 issue needs help) 12 Updated Feb 6, 2026
  • ghidra-101 Public

    Ghidra 101 is a collection of tutorials and example programs given to summer interns, intended as an initial introduction to using Ghidra and reverse engineering binaries.

    llnl/ghidra-101’s past year of commit activity
    C 0 0 0 0 Updated Feb 6, 2026
  • SSAPy Public

    A Python package allowing for fast and precise orbital modeling.

    llnl/SSAPy’s past year of commit activity
    Python 61 MIT 13 6 0 Updated Feb 6, 2026
  • conduit Public

    Simplified Data Exchange for HPC Simulations

    llnl/conduit’s past year of commit activity
    C++ 238 70 198 10 Updated Feb 6, 2026
  • mphys-surrogate-model Public

    This repository contains python scripts for training latent-space machine learning representations of warm rain droplet microphysics

    llnl/mphys-surrogate-model’s past year of commit activity
    Python 0 0 0 0 Updated Feb 6, 2026
  • zfs Public Forked from openzfs/zfs

    ZFS on Linux - the official OpenZFS implementation for Linux.

    llnl/zfs’s past year of commit activity
    C 3 1,998 0 0 Updated Feb 6, 2026
  • Spindle Public

    Scalable dynamic library and python loading in HPC environments

    llnl/Spindle’s past year of commit activity
    C 103 31 21 7 Updated Feb 6, 2026
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