Michael Krause wrote:
RDMA Write with Immediate is part of the IB Extended Transport
Header. It is a fixed-sized quantity and not one subject to change,
i.e. increasing its size.
Your argument above reinforces that the particular application need is
IB-specific and thus should not be part of a general API but a
transport-specific API. If the application will only operate
optimally using immediate data, then it is only suitable for an IB
fabric. This reinforces the need for a transport-specific API.
I agree. I will move the IB immediate data service back into the
extension interface and update the OpenIB uDAPL provider patch.
Those applications that simply want to enable completion notification
when a RDMA Write has occurred can use a general purpose API that is
interconnect independent and whose code is predicated upon a RDMA
Write - Send set of operations. This will enable application
portability across all interconnect types.
I will defer this to Arkady to draft.
-arlin
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