I have a question on using IBV_SEND_INLINE. From what I understand if I am using IBV_SEND_INLINE I technically neednt register the buffer with ibv_reg_mr as I dont need the L_Key. But still in the receiver end I would have to have the buffer registered to receive the inline data that has been posted. If I have an application where I am using a lot of small messages, then memory registration would be expensive. Is there any other option for receiving inline messages with out actually registering the receive buffer.
You could register a larger buffer once and use it with multiple receives. If you needed to, you could copy the data out of the registered buffer into separate buffers for processing.
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