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llnl/SAMRAI

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Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for block-structured AMR application development

Is llnl/SAMRAI beginner-friendly?

We have not seen enough recent pull requests from outside contributors to llnl/SAMRAI to say how often they are merged. No beginner-friendly issue is open right now; the list below has the other issues we hold for it.

Stars
250
Forks
89
Open beginner issues
0
Indexed issues
52
Dominant language
C++
License
No license data
Last GitHub push
Sep 1, 2026
Latest indexed
Sep 19, 2026
Contributing guide
No code of conduct
Beginner labels
No beginner labels indexed
No merged PRs in 30d

How to contribute to llnl/SAMRAI

  1. Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
  2. Follow the repository to hear when a new beginner-friendly issue opens, or look through the other issues below.
Beginner friendly Everything
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Issues somebody may already be working on are listed last. List everything by date

  • Refined level fails to get periodic patch ghosts values
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#311 ·

  • Breaking equivalent items
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 32/100

    llnl/SAMRAI#295 · 5 comments ·

  • Contribution documentation
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 45/100

    llnl/SAMRAI#289 ·

  • MPI function deprecation warning
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 45/100

    llnl/SAMRAI#269 ·

  • cmake version deprecation warning
    Open
    • Is something wrong?

    Difficulty 1/5 Under an hour Newbie friendliness 35/100

    llnl/SAMRAI#266 · 2 comments ·

  • Does SAMRAI support block structured curvilinear grid system?
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 15/100

    llnl/SAMRAI#264 ·

  • Config error with version 2.4.4 (I am forced to use this one)
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#247 · 5 comments ·

  • BergerRigoutsos gets incorrect MPI_TAG_UB
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 45/100

    llnl/SAMRAI#246 ·

  • SAMRAIConfig.cmake should call find_dependency(<thirdparty>) for all third-party packages that SAMRAI uses
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    llnl/SAMRAI#225 ·

  • level ghost fill pattern
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#223 ·

  • outdated spack install
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    llnl/SAMRAI#216 ·

  • PersistentOverlapConnectors::findConnector is resorting to a global search to find overlaps
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#215 · 4 comments ·

  • RestartManager path containing double slash
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 42/100

    llnl/SAMRAI#210 ·

  • Failed assertion: ideal_load_to_break > 0
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#207 ·

  • SAMRAI user docs?
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 35/100

    llnl/SAMRAI#203 · 1 comment · 1 reaction ·

  • Restarts with refinement boxes are regridding
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#199 ·

  • Question: is it possible that the box generator generates a patch which does not touch physical boundaries but has ghost cells out of physical boundaries?
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 20/100

    llnl/SAMRAI#192 · 1 comment ·

  • Warnings from AsyncCommPeer.C
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 45/100

    llnl/SAMRAI#189 ·

  • Physical boundaries not filled correctly in RefineSchedule after regridding
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#186 · 4 comments ·

  • Compiler setup blocks usage of CLANG for CUDA
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 28/100

    llnl/SAMRAI#182 · 1 comment ·

  • Possible bug in using getTagAllocator() in GriddingAlgorithm.C when enabling CUDA
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#181 · 2 comments ·

  • RAJA CUDA illegal memory access for the ConvDiff test
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#175 ·

  • Errors compiling SAMRAI_pdat.dir on ppc64le and gcc/7.3.1
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#173 · 5 comments ·

  • Overwrite interior and priorities
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    llnl/SAMRAI#170 · 5 comments ·

  • VisitDataWriter doesnt support multiple procs per file
    May be free again Open
    • Is something wrong?

    llnl/SAMRAI#168 · 2 comments · 1 assignee ·

  • bugs in algs::MethodOfLinesIntegrator
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#153 · 1 comment ·

  • Hierarchy op "getLength" is not global
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#137 ·

  • Stencil example does not compile
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#136 ·

  • Question about restart format
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    llnl/SAMRAI#125 · 1 comment ·

  • blt submodule points to an old commit and should follow BLT developments
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 35/100

    llnl/SAMRAI#88 · 1 comment ·

  • hdf5 problem
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 20/100

    llnl/SAMRAI#62 ·

  • CompositeBoundaryAlgorithm Documentation and Example
    May be free again Open
    • Is something wrong?

    llnl/SAMRAI#58 · 2 assignees ·

  • hier::Patch should return shared_ptr by const reference
    May be free again Open
    • Is something wrong?

    llnl/SAMRAI#43 · 2 comments · 2 assignees ·

  • MPI_Attr_get problem.
    May be free again Open
    • Is something wrong?

    llnl/SAMRAI#42 · 1 assignee ·

  • Direct Accessing d_boxes in PatchLevel
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 48/100

    llnl/SAMRAI#28 ·

  • Multiblock in restart
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#27 ·

  • Which branch should be used for bug fixes?
    Open
    • Is something wrong?

    Difficulty 1/5 Under an hour Newbie friendliness 35/100

    llnl/SAMRAI#24 · 1 comment ·

  • make error
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#23 ·

  • If I use SAMRAI to solve Poisson equation, what main program should I use? What other software need I install before use SAMRAI?
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 20/100

    llnl/SAMRAI#21 ·

  • need we set SAMARI PATH before we make file
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 25/100

    llnl/SAMRAI#20 ·

  • Possible bug when coarsening Indexdata
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#18 ·

  • Another PatchLevelFillPattern type might be useful.
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    llnl/SAMRAI#17 · 4 comments ·

  • Problem in handling singularity
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    llnl/SAMRAI#15 ·

  • SAMRAI does not support latest SUNDIALS release
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#14 ·

  • getCodimensionBoundaries() and getFaceBoundaries() behavior
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 38/100

    llnl/SAMRAI#12 ·

  • Bug in restart interaction with BaseGridGeometry.
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 48/100

    llnl/SAMRAI#11 · 1 comment ·

  • periodic boundaries and node centered data
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    llnl/SAMRAI#9 ·

  • Gridding Algorithm error with refine boxes
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    llnl/SAMRAI#8 · 5 comments ·

  • Fixed zero-padding for directory names in VisItDataWriter
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    llnl/SAMRAI#6 ·

  • Bug in BaseGridGeometry::readBlockDataFromInput
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    llnl/SAMRAI#5 ·

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