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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 643 162

  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++ 402 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 655 repositories
  • RAJAPerf Public

    RAJA Performance Suite

    llnl/RAJAPerf’s past year of commit activity
    Jupyter Notebook 132 BSD-3-Clause 53 61 24 Updated Mar 25, 2026
  • ContinuationSolvers Public
    llnl/ContinuationSolvers’s past year of commit activity
    C++ 0 BSD-3-Clause 1 0 0 Updated Mar 25, 2026
  • ERF Public Forked from erf-model/ERF

    Energy Research and Forecasting Model

    llnl/ERF’s past year of commit activity
    C++ 1 66 0 0 Updated Mar 25, 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 69 Apache-2.0 44 126 19 Updated Mar 25, 2026
  • axom Public

    CS infrastructure components for HPC applications

    llnl/axom’s past year of commit activity
    C++ 183 BSD-3-Clause 33 226 (2 issues need help) 19 Updated Mar 25, 2026
  • gnemcore Public

    The Geophysical Monitoring Program Core Seismic Libraries contain a broad array of seismic and waveform analysis libraries useful for a wide range of seismic analysis processes. These include signal processing, travel time calculation, waveform correlation, array processing, geometry and geodesy, and plotting libraries.

    llnl/gnemcore’s past year of commit activity
    Java 0 Apache-2.0 0 0 0 Updated Mar 25, 2026
  • SEAMsurrogates Public

    Shared Education in Artificial intelligence and Machine learning (SEAM) professional development course on "Surrogate Modeling and Design Optimization," as designed at LLNL.

    llnl/SEAMsurrogates’s past year of commit activity
    Python 5 1 9 0 Updated Mar 25, 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 643 BSD-3-Clause 162 29 15 Updated Mar 25, 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) 1 Updated Mar 25, 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 4 Updated Mar 25, 2026
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