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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
  • 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 17 Updated Mar 25, 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 35 140 (1 issue needs help) 16 Updated Mar 25, 2026
  • WarpX Public Forked from BLAST-WarpX/warpx

    WarpX is an advanced, time-based electromagnetic & electrostatic Particle-In-Cell code.

    llnl/WarpX’s past year of commit activity
    C++ 2 251 0 0 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
  • Tribol Public

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

    llnl/Tribol’s past year of commit activity
    C++ 35 MIT 9 28 10 Updated Mar 25, 2026
  • RAJAPerf-Benchmark Public

    Scripts and data associated with RAJA Performance Suite benchmarking activities

    llnl/RAJAPerf-Benchmark’s past year of commit activity
    Python 1 BSD-3-Clause 0 0 0 Updated Mar 25, 2026
  • UEDGE Public

    2D fluid simulation of plasma and neutrals in magnetic fusion devices

    llnl/UEDGE’s past year of commit activity
    Fortran 49 LGPL-2.1 22 17 5 Updated Mar 25, 2026
  • spheral Public
    llnl/spheral’s past year of commit activity
    C++ 74 BSD-3-Clause 23 31 (1 issue needs help) 15 Updated Mar 25, 2026
  • conduit Public

    Simplified Data Exchange for HPC Simulations

    llnl/conduit’s past year of commit activity
    C++ 241 70 191 9 Updated Mar 25, 2026
  • Scabbard Public

    Data race checker for unified memory in ROCm HIP

    llnl/Scabbard’s past year of commit activity
    LLVM 0 Apache-2.0 0 0 0 Updated Mar 25, 2026
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