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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++ 830 170

  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 591 153

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 534 108

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 388 73

  5. Umpire Umpire Public

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

    C++ 377 57

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 274 65

Repositories

Showing 10 of 608 repositories
  • spheral Public
    LLNL/spheral’s past year of commit activity
    C++ 68 BSD-3-Clause 22 26 (4 issues need help) 10 Updated Sep 11, 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 58 Apache-2.0 39 126 26 Updated Sep 11, 2025
  • serac Public

    Serac is a high order nonlinear thermomechanical simulation code

    LLNL/serac’s past year of commit activity
    C++ 208 BSD-3-Clause 36 134 (1 issue needs help) 15 Updated Sep 11, 2025
  • axom Public

    CS infrastructure components for HPC applications

    LLNL/axom’s past year of commit activity
    C++ 174 BSD-3-Clause 30 209 (2 issues need help) 19 Updated Sep 11, 2025
  • quandary Public

    Optimal control for open quantum systems

    LLNL/quandary’s past year of commit activity
    C++ 54 MIT 13 5 3 Updated Sep 11, 2025
  • RAJA Public

    RAJA Performance Portability Layer (C++)

    LLNL/RAJA’s past year of commit activity
    C++ 534 BSD-3-Clause 108 214 (7 issues need help) 32 Updated Sep 11, 2025
  • MuyGPyS Public

    A fast, pure python implementation of the MuyGPs Gaussian process realization and training algorithm.

    LLNL/MuyGPyS’s past year of commit activity
    Python 30 10 14 3 Updated Sep 11, 2025
  • radiuss-shared-ci Public

    Shared Gitlab CI configuration for RADIUSS projects

    LLNL/radiuss-shared-ci’s past year of commit activity
    7 4 5 2 Updated Sep 11, 2025
  • dapper Public

    Dependency Analysis Project - tools to discover implicit dependencies in source code and on systems

    LLNL/dapper’s past year of commit activity
    Python 17 MIT 4 20 3 Updated Sep 11, 2025
  • Umpire Public

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

    LLNL/Umpire’s past year of commit activity
    C++ 377 MIT 57 19 5 Updated Sep 11, 2025
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