Telecon: 2026 05 12

Updates:

• There are ongoing AMR SAMRAI + MFEM Discussions,MFEM Domain Overloading is a question
• Cyrus: Resolved: CONDUIT_FMT prefix or fmt use, multiple find_package of conduit issue
• Cyrus: Github Actions Windows Runner env change broke build_conduit, working on a fix
• Justin: Bugfix for null string material names for Overlink files
• Justin: Added support for matset_vals to the partitioner
• Andres DSTI project (Conduit Device Support related) starts in June.
• Brad: matset_values: Axom merge meshes, needs multi-material field support
• Exodus I/O

Future:

• Learn how to talk to S3 object stores as an end point for Conduit Nodes. - Strategy for Object Storage (S3) (libcurl example https://github.com/cedricve/AWS-S3-Cpp-REST-API)
• Zarr https://zarr.dev/ as a object storage friendly format
  • We will want an encoding / compression abstraction ala https://github.com/zarr-developers/numcodecs to support our C++ writes
• nanoarrow may open up new interop use cases (columnar i/o)
  • SciPy2024 talk on nanoarrow that provides good context: https://www.youtube.com/watch?v=EIk6bvXgNug
• Stricter set semantics? https://github.com/LLNL/conduit/issues/941
• Blueprint Helpers:
  • Modify names of mesh bp entries (rename a topology, rename a field) (https://github.com/LLNL/conduit/issues/940).
• Blueprint to GLTF / ANARI.
• Blueprint to VTK (and mind the saga related to legacy vtk files)
• Explore ZFP (or even ZLIB) Compression in HDF5 for ML Ensemble Data (Floating Point Images / Regular Grids)
• El Cap Rabbits