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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++ 846 171

  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 621 161

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 561 110

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 395 74

  5. Umpire Umpire Public

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

    C++ 392 61

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 283 65

Repositories

Showing 10 of 633 repositories
  • hdbind Public
    llnl/hdbind’s past year of commit activity
    Jupyter Notebook 4 MIT 1 0 0 Updated Jan 16, 2026
  • 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 8 27 5 Updated Jan 16, 2026
  • 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 621 BSD-3-Clause 161 29 12 Updated Jan 16, 2026
  • clippy Public
    llnl/clippy’s past year of commit activity
    C++ 5 5 1 1 Updated Jan 16, 2026
  • radiuss-shared-ci Public

    Shared Gitlab CI configuration for RADIUSS projects

    llnl/radiuss-shared-ci’s past year of commit activity
    7 4 14 3 Updated Jan 16, 2026
  • quandary Public

    Optimal control for open quantum systems

    llnl/quandary’s past year of commit activity
    C++ 57 MIT 15 7 3 Updated Jan 16, 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 63 Apache-2.0 42 133 26 Updated Jan 16, 2026
  • RAJAPerf Public

    RAJA Performance Suite

    llnl/RAJAPerf’s past year of commit activity
    Jupyter Notebook 129 51 62 24 Updated Jan 16, 2026
  • radiuss-docker Public

    Automated builds of Docker container bases for RADIUSS projects

    llnl/radiuss-docker’s past year of commit activity
    Dockerfile 2 MIT 0 4 1 Updated Jan 16, 2026
  • 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 Jan 16, 2026
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