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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++ 851 176

  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 640 162

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 569 112

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 400 77

  5. Umpire Umpire Public

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

    C++ 400 63

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 285 64

Repositories

Showing 10 of 652 repositories
  • RAJAPerf Public

    RAJA Performance Suite

    llnl/RAJAPerf’s past year of commit activity
    Jupyter Notebook 132 BSD-3-Clause 53 60 22 Updated Mar 16, 2026
  • benchmarks Public

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

    llnl/benchmarks’s past year of commit activity
    5 CC-BY-4.0 0 15 1 Updated Mar 16, 2026
  • smith Public

    Smith is a high order nonlinear thermomechanical simulation code

    llnl/smith’s past year of commit activity
    C++ 226 BSD-3-Clause 36 137 (1 issue needs help) 11 Updated Mar 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 640 BSD-3-Clause 162 29 17 Updated Mar 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 67 Apache-2.0 43 126 25 Updated Mar 16, 2026
  • RAJA Public

    RAJA Performance Portability Layer (C++)

    llnl/RAJA’s past year of commit activity
    C++ 569 BSD-3-Clause 112 209 (7 issues need help) 36 Updated Mar 16, 2026
  • axom Public

    CS infrastructure components for HPC applications

    llnl/axom’s past year of commit activity
    C++ 183 BSD-3-Clause 33 228 (2 issues need help) 16 Updated Mar 16, 2026
  • Surfactant Public

    Modular framework for file information extraction and dependency analysis to generate accurate SBOMs

    llnl/Surfactant’s past year of commit activity
    Python 39 MIT 23 53 (6 issues need help) 12 Updated Mar 16, 2026
  • popclass Public

    A python package that allows flexible, probabilistic classification of a microlensing event

    llnl/popclass’s past year of commit activity
    Python 6 MIT 2 13 2 Updated Mar 16, 2026
  • units Public

    A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements

    llnl/units’s past year of commit activity
    C++ 165 BSD-3-Clause 31 4 (1 issue needs help) 2 Updated Mar 16, 2026
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