Skip to content
@llnl

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.

Popular repositories Loading

  1. zfp zfp Public

    Compressed numerical arrays that support high-speed random access

    C++ 848 174

  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 630 164

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 566 112

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 397 76

  5. Umpire Umpire Public

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

    C++ 396 62

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 284 65

Repositories

Showing 10 of 637 repositories
  • Tribol Public

    Modular interface physics library featuring state-of-the-art contact physics methods.

    llnl/Tribol’s past year of commit activity
    C++ 36 MIT 9 28 7 Updated Feb 11, 2026
  • APBuilder Public

    Python tool to create AC2Dr atmosphere profiles from weather models.

    llnl/APBuilder’s past year of commit activity
    Python 1 0 0 0 Updated Feb 12, 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 36 139 (1 issue needs help) 14 Updated Feb 12, 2026
  • STAT Public

    STAT - the Stack Trace Analysis Tool

    llnl/STAT’s past year of commit activity
    C 67 26 7 1 Updated Feb 11, 2026
  • spheral Public
    llnl/spheral’s past year of commit activity
    C++ 72 BSD-3-Clause 23 35 (1 issue needs help) 14 Updated Feb 11, 2026
  • conduit Public

    Simplified Data Exchange for HPC Simulations

    llnl/conduit’s past year of commit activity
    C++ 238 70 198 10 Updated Feb 11, 2026
  • LaunchMON Public

    LaunchMON is a software infrastructure that enables HPC run-time tools to co-locate tool daemons with a parallel job. Its API allows a tool to identify all the remote processes of a job and to scalably launch daemons into the relevant nodes.

    llnl/LaunchMON’s past year of commit activity
    C++ 13 9 9 2 Updated Feb 11, 2026
  • RAJA Public

    RAJA Performance Portability Layer (C++)

    llnl/RAJA’s past year of commit activity
    C++ 566 112 207 (7 issues need help) 38 Updated Feb 11, 2026
  • quandary Public

    Optimal control for open quantum systems

    llnl/quandary’s past year of commit activity
    C++ 57 MIT 15 7 2 Updated Feb 11, 2026
  • RAJAPerf Public

    RAJA Performance Suite

    llnl/RAJAPerf’s past year of commit activity
    Jupyter Notebook 130 53 61 26 Updated Feb 11, 2026
View all repositories