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                                            Thomas Gillis

when is `PMIx_Fence` required?

Hi all, I am reaching out with a question about the requirements around `PMIx_Fence`. ### Context For our application, we are looking at the case where processes generate globally unique...

Clarification

OFI: memory registration of cuda memory

Hi all, when taking a closer look at #7140 I realized that MPICH seems to not use the correct handle for `fi_mr_regattr`. The [documentation](https://ofiwg.github.io/libfabric/main/man/fi_mr.3.html) specifies that: > device > Reserved...