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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++ 792 163

  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 561 140

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 508 104

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 371 68

  5. Umpire Umpire Public

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

    C++ 349 53

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 269 62

Repositories

Showing 10 of 569 repositories
  • 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++ 152 BSD-3-Clause 26 7 (1 issue needs help) 1 Updated Mar 28, 2025
  • mgmol Public

    MGmol is a scalable O(N) First-Principles Molecular Dynamics code that is capable of performing large-scale electronics structure calculations and molecular dynamics simulations of atomistic systems.

    LLNL/mgmol’s past year of commit activity
    C++ 43 15 12 3 Updated Mar 28, 2025
  • CHAI Public

    Copy-hiding array abstraction to automatically migrate data between memory spaces

    LLNL/CHAI’s past year of commit activity
    C++ 107 BSD-3-Clause 23 19 16 Updated Mar 28, 2025
  • hiop Public

    HPC solver for nonlinear optimization problems

    LLNL/hiop’s past year of commit activity
    C++ 217 44 36 10 Updated Mar 28, 2025
  • dftracer Public

    A multi-level dataflow tracer for capturing I/O calls from workflows.

    LLNL/dftracer’s past year of commit activity
    Jupyter Notebook 15 MIT 9 12 3 Updated Mar 28, 2025
  • llnl.github.io Public

    Public home for LLNL software catalog

    LLNL/llnl.github.io’s past year of commit activity
    JavaScript 58 MIT 56 18 0 Updated Mar 28, 2025
  • certipy Public

    Wraps pyOpenSSL for quick and easy PKI

    LLNL/certipy’s past year of commit activity
    Python 9 BSD-3-Clause 10 1 0 Updated Mar 28, 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 561 BSD-3-Clause 140 26 11 Updated Mar 28, 2025
  • axom Public

    CS infrastructure components for HPC applications

    LLNL/axom’s past year of commit activity
    C++ 170 BSD-3-Clause 28 224 (2 issues need help) 11 Updated Mar 28, 2025
  • Tribol Public

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

    LLNL/Tribol’s past year of commit activity
    C++ 28 MIT 6 29 9 Updated Mar 28, 2025
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