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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++ 840 170

  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 610 159

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 546 109

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 393 74

  5. Umpire Umpire Public

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

    C++ 387 60

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 279 66

Repositories

Showing 10 of 628 repositories
  • radiuss-spack-configs Public

    Shared spack configurations for RADIUSS projects

    LLNL/radiuss-spack-configs’s past year of commit activity
    Python 2 MIT 10 0 5 Updated Nov 25, 2025
  • FPChecker Public

    A dynamic analysis tool to detect floating-point errors in HPC applications.

    LLNL/FPChecker’s past year of commit activity
    Python 39 Apache-2.0 8 11 2 Updated Nov 25, 2025
  • benchmarks Public

    Related to benchmarking activities for Advanced Simulation & Computing (ASC) Advanced Technology Systems

    LLNL/benchmarks’s past year of commit activity
    0 CC-BY-4.0 0 1 0 Updated Nov 25, 2025
  • 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 60 Apache-2.0 39 133 33 Updated Nov 25, 2025
  • maestrowf Public

    A tool to easily orchestrate general computational workflows both locally and on supercomputers

    LLNL/maestrowf’s past year of commit activity
    Python 151 MIT 44 65 (9 issues need help) 13 Updated Nov 25, 2025
  • Tribol Public

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

    LLNL/Tribol’s past year of commit activity
    C++ 33 MIT 8 29 7 Updated Nov 24, 2025
  • zero-rk Public

    Zero-order Reaction Kinetics (Zero-RK) is a software package that simulates chemically reacting systems in a computationally efficient manner.

    LLNL/zero-rk’s past year of commit activity
    C++ 42 BSD-3-Clause 23 1 0 Updated Nov 25, 2025
  • ISO-DART Public

    ISO-DART: Independent System Operator Data Automated Request Tool

    LLNL/ISO-DART’s past year of commit activity
    Python 15 MIT 7 0 0 Updated Nov 25, 2025
  • RAJAPerf Public

    RAJA Performance Suite

    LLNL/RAJAPerf’s past year of commit activity
    Jupyter Notebook 125 BSD-3-Clause 49 60 23 Updated Nov 25, 2025
  • 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.

    LLNL/sundials’s past year of commit activity
    C 610 BSD-3-Clause 159 31 6 Updated Nov 25, 2025