[libfabric-users] Libfabric : Facing issues with FI_VERSION(1, 5) in fi_getinfo()

Hefty, Sean sean.hefty at intel.com
Mon May 14 09:44:27 PDT 2018

> 2.	I am trying to get read, write and atomics functionality. I can
> see in the manual that verbs support FI_ATOMIC but ofi_rxm does not
> support it. Do I need to use both FI_EP_RDM and FI_EP_MSG as endpoint
> types with verbs;ofi_rxm to enable atomics along with read and write.

Verbs atomic support is very limited and may not be what you want.  It only supports something like 2 operations on 1 data -- I'm not sure of the exact details, but it's pretty minimal, and even that depends on the underlying hardware.

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