2026 01 15 meeting minutes

Attendees: Carl, Gabriel, Cedric, Hugo, Nicole, Evan, Stephen, Vivek, Matthew

Towards 0.1 Release

• Aim for HPSF Conferences

  • Late February (Germany)
  • Mid March (Chicago)

• TODOs

  • Spack package recipe (Cedric)
  • NCCL and MPI results from the same code
  • Blog post (Carl)
  • Non-GPU-aware MPI host staging (Gabriel)
  • Evaluate documentation (Stephen)
    • Cedric opened #201

Carried forward from last time

• Linux Foundation Zoom meeting
  • Request an invite from https://zoom-lfx.platform.linuxfoundation.org/meetings/kokkos-project
  • Join sometime before/after the scheduled slot to get an invite

General Topics

• Kokkos Comm overview in Kokkos Team Time slot (Wednesday)

  • Present CEA slides from November
  • Carl will miss this

• PASC paper updates? (Gabriel, Nicole)

  • Hearing back early February
  • Camera-ready would be March 20

• Updates on CI dev container? (Cedric)

  • Cedric is using it for development

• Host staging capability for non-GPU-aware MPI PR

  • waiting for reviews
  • Not all MPIs are GPU-aware for all operations of interest

• MPICH (via Spack) + CudaSpace views, exclusive scan fails

  • SNL CI only tests Open MPI + CUDA
    • Carl will make a container
  • Not sure if it's an MPICH problem or something else we're doing wrong

• PR #181

  • Documentation needs to explain what happens for collectives with rank > 1

Round Table

• Carl will be absent next time

• Vivek

  • Any work on a tools connector or anything like that yet?
  • Carl: Some Kokkos Tools are MPI aware, this might be a place to start or if we could fill that use case