Wenduo Wang
Wenduo Wang
**Is your feature request related to a problem? Please describe.** Main/v5.0.x branch does have a built-in mechanism to pair accelerator(let's say GPU) with a "nearby" NIC. This has 2 implications...
### Problem Statement Open MPI [default collectives](https://github.com/open-mpi/ompi/tree/main/ompi/mca/coll) have a common use of temporary buffers(host memory) of variable sizes to instrument data transfer from remote peers to its local destination buffer....
## Background information ### What version of Open MPI are you using? (e.g., v4.1.6, v5.0.1, git branch name and hash, etc.) main & v5.0.x branch, and releases >= v5.0.3 ###...