[libfabric-users] memory registration "not needed", with the efa provider?

Wespetal, Robert wesper at amazon.com
Mon Jul 27 16:18:58 PDT 2020


Right, this is correct and we do require and validate the keys for one
sided ops. I'll update the manpage so that this is clearer.

> My guess is that they mean, "memory registration is not required for
> send or receive buffers".
> 
> That is, EFA likely doesn't require FI_MR_LOCAL.
> 
> Registration is always required for RMA target buffers for security
> reasons.
> 
> - Sean
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