2025‐07‐29 meeting minutes

Attds: Stephen, Gabriel, Cedric, Hugo, Evan, Kaelyn, Vivek, Nicole

General Topics

• Today we are still on Teams, but hope to move to HPSF Zoom soon

  • Cedric will follow up

• Carl: Nicole update on Trilinos integration

  • Tpetra: PerformanceCGSolve
  • Working on figuring out what MPI calls are actually used (Caliper)

• Nicole: persistent API

  • Splitting out unrelated unit test to another PR
  • Otherwise ready to go

• Carl: Kokkos Comm as Trilinos package PR

  • Feedback from the Trilinos framework experts, haven't digested it yet
  • Current approach works and Nicole is using it

• CEA has revived the NCCL work, with PR ready for Carl to review.

  • Compile-only test on GitHub actions
  • Few revisions suggested by Cedric
  • Mostly ready to go

• CEA wants to do Gysella (all to all)

• Yuichi wants to try as well (also all to all, no all to all in NCCL)

• CEA may miss next meeting (center may be closed)

Round Table

• Vivek: LDMS Kokkos tools connector going in without Kokkos Comm integration
  • totally fine