Threads WG Meeting 25 06 2020

Participants

• Manjunath Gorentla Venkata
• Naveen Ravi
• Khaled Hamidouche
• Wasi
• Rujal Desai
• Min Si
• Dave Ozog

Memory Spaces (Notes from Naveen)

Spaces: High-level idea and API

Alltoallv

• Need to brainstorm, if there is a need to support other “v” collectives
• Next steps: Solidify use cases

Non-blocking Collectives

• Dave and Manju to work together on the ticket
• Non-blocking all reduce is used by DL workloads
• Non-blocking alltoall might be useful for the users
• Next steps: Solidify use cases

MPI Interoperability

• shmem_pe_accesible and shmem_addr_accessible (Min)
  • Issue #360
• Multiple SHMEM initialize and finalize calls (Min)
  • PR #263