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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++ 852 178

  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 642 163

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 571 112

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 401 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 653 repositories
  • pEyeON Public

    Repository for the EyeON file manifest tool

    llnl/pEyeON’s past year of commit activity
    Python 4 MIT 1 7 10 Updated Mar 23, 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 642 BSD-3-Clause 163 29 17 Updated Mar 23, 2026
  • 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++ 45 BSD-3-Clause 25 1 0 Updated Mar 23, 2026
  • ygm Public
    llnl/ygm’s past year of commit activity
    C++ 39 27 6 1 Updated Mar 22, 2026
  • llnl.github.io Public

    Public home for LLNL software catalog

    llnl/llnl.github.io’s past year of commit activity
    JavaScript 63 MIT 58 14 1 Updated Mar 22, 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 35 139 (1 issue needs help) 17 Updated Mar 22, 2026
  • dftracer-utils Public

    A collection of utilities for DFTracer

    llnl/dftracer-utils’s past year of commit activity
    C++ 1 MIT 2 7 (2 issues need help) 2 Updated Mar 21, 2026
  • datacrumbs Public

    A multi-level dataflow profiler for capture I/O calls from worklows.

    llnl/datacrumbs’s past year of commit activity
    Jupyter Notebook 3 MIT 6 10 5 Updated Mar 21, 2026
  • datacrumbs-utils Public

    Utilities and Userspace tools for help users use and deploy datacrumbs.

    llnl/datacrumbs-utils’s past year of commit activity
    Jupyter Notebook 0 MIT 0 0 0 Updated Mar 21, 2026
  • FPChecker Public

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

    llnl/FPChecker’s past year of commit activity
    Python 40 Apache-2.0 10 11 4 Updated Mar 21, 2026
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