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Shared Receive Queues

October 25, 2011 at 5:00 am PST

In my last post, I talked about the so-called eager RDMA optimization, and its effects on resource consumption vs. latency optimization.

Let’s talk about another optimization: shared receive queues.

Shared receive queues are not a new idea, and certainly not exclusive to MPI implementations. ¬†They’re a way for multiple senders to send to a single receiver while only consuming resources from a common pool.

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