Telecon: 2026 03 02

Updates:

• Cyrus: Finished update Spack 1.1.1 + Uberenv, but still need to add raja and umpire support via spack
• Cyrus: Fixed a bug with reading blueprint meshes from sidre checkpoint restarts
• Team: We had a meeting about the AMR / Poly stuff, path forward is Cyrus will provide a new example
• Justin: Good progress on MatsetAccessors

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