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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++ 793 163

  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 563 145

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 511 105

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 371 69

  5. Umpire Umpire Public

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

    C++ 351 53

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 269 62

Repositories

Showing 10 of 572 repositories
  • Silo Public

    Mesh and Field I/O Library and Scientific Database

    LLNL/Silo’s past year of commit activity
    C 34 25 129 5 Updated Apr 19, 2025
  • RAJA Public

    RAJA Performance Portability Layer (C++)

    LLNL/RAJA’s past year of commit activity
    C++ 511 BSD-3-Clause 105 198 (6 issues need help) 28 Updated Apr 19, 2025
  • serac Public

    Serac is a high order nonlinear thermomechanical simulation code

    LLNL/serac’s past year of commit activity
    C++ 201 BSD-3-Clause 34 129 (1 issue needs help) 8 Updated Apr 19, 2025
  • llnl.github.io Public

    Public home for LLNL software catalog

    LLNL/llnl.github.io’s past year of commit activity
    JavaScript 60 MIT 56 18 0 Updated Apr 19, 2025
  • Analytic_Deflection_of_Asteroids_by_NEDs Public

    This package evaluates an analytic formula for the Delta v imparted to an asteroid by a 1 or 2 keV black body source given the radius of the asteroid, the standoff distance, the Yield in x-rays, the density of the asteroid, and the fit coefficients for the 1 or 2 keV black body source (provided in the module).

    LLNL/Analytic_Deflection_of_Asteroids_by_NEDs’s past year of commit activity
    Python 1 0 0 0 Updated Apr 19, 2025
  • Rflow Public

    R-matrix methods for fitting EXFOR data using tensorflow

    LLNL/Rflow’s past year of commit activity
    Python 3 MIT 0 0 0 Updated Apr 19, 2025
  • conduit Public

    Simplified Data Exchange for HPC Simulations

    LLNL/conduit’s past year of commit activity
    C++ 222 68 174 6 Updated Apr 19, 2025
  • radiuss Public
    LLNL/radiuss’s past year of commit activity
    CSS 3 MIT 1 29 1 Updated Apr 19, 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 38 Apache-2.0 29 72 44 Updated Apr 19, 2025
  • FPChecker Public

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

    LLNL/FPChecker’s past year of commit activity
    Python 33 Apache-2.0 4 10 1 Updated Apr 19, 2025
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