2024‐05‐06 meeting minutes

Attds: Cedric, Matthew, Gabriel, Nicole, Hugo, Stephen, Evan, Juanchao, Jan

Note-taker

Carl, Jan, Stephen, Gabriel, Evan, Hugo, Joseph, Vivek

General Topics

Working Groups

• Kokkos Comm
• Application Usecases
• Modern C++ / MPI
• Accelerator-Initiated Communication / Support
• Smart NICs

Notes

• MPI Sessions: Cedric and Gabriel experiment with it
• Maintaining MPI Datatype across API invocations - API for that?
• Finalize API wrappers listed in https://github.com/kokkos/kokkos-comm/issues/10
• Push pre/post processing stage code (Carl)
• PRs are ready for mpi send modes - please advance
• Would having low-level API be beneficial: I give you a type and you give me a MPI Datatype which I can use
• What is the value of implementing 100 comm functions?
• Separate meeting on device initiated communication?