It seems there are several ways to transfer data via RDMA: Send/Send
w/immediate, Receive, RDMA Write/RDMA Write w/immediate, the Atomic
extensions, and then the various transport modes variations with some
of these operations. As an RDMA/IB newbie, it is somewhat confusing
when determining the best operations for my application. What are the
various pros/cons of each?
For my application I will have multiple apps (probably around 4 for
now) sending data to a single app. I have 3 sets of data, packets if
you like, that need to be sent, or written to, the target app. Packet
1, is small, only 16 bytes. Packet 2, will be a minimum of 4 MB and
will likely be as large 16 MB, perhaps more. Packet 3, will be a max,
probably, of 4 MB.
Thanks,
CB
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