The setup of a communicators include as a last stage, a collective
communication. As a result, some of the nodes can exit the collective
before the others and therefore can start sending messages using this
communicator [while some of the other nodes are still waiting for the
collective completion]. This will lead to a situation where a node
receive a message for a communicator that they are building up.
There is a bug filled in trac about this. In FT-MPI we temporary put
these messages in an internal queue, and deliver them to the right
communicator only once this communicator is completely created.
On Sep 18, 2007, at 9:06 AM, Gleb Natapov wrote:
> In the comment you are saying that "a message for a not yet
> communicator can happen". Can you explain in what situation it can
> devel mailing list
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