[libfabric-users] no perf effect from FI_MORE with verbs; ofi_rxm provider?

Hefty, Sean sean.hefty at intel.com
Wed Jan 29 09:52:34 PST 2020

> Yes, this is over RDM endpoints.  I've learned from a co-worker that while
> ofi_rxm;verbs cannot provide FI_DELIVERY COMPLETE semantics for RDMA, if you put that
> in the hints there is a bug (in ofi_rxm) that allows that provider to appear in the
> list returned by fi_getinfo() nevertheless, with the unfortunate result that you
> silently get FI_TRANSMIT_COMPLETE semantics instead.  That's what's happening to me.
> Even with this fixed, though, FI_DELIVERY_COMPLETE won't be supported by the
> ofi_rxm;verbs provider.  There are workarounds, which I'm starting on.

Can you please open a github issue against rxm supporting delivery_complete correctly?

- Sean

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