On Apr 29, 2011, at 1:21 AM, Randolph Pullen wrote:
> I am having a design issue:
> My server application has 2 processes per node, 1 listener and 1 worker.
> Each listener monitors a specified port for incoming TCP connections with the goal that on receipt of a request it will distribute it over the workers in a SIMD fashion.
> My problem is this: how can I get the workers to accept work from any of the listeners?
> Making a separate communicator does not help as the sender is unknown. Other than making a serial 'clearing house' process I cant think of a way - Iprobe for Bcast would be useful.
I'm not quite sure I understand your question.
There currently is no probe for collectives, but MPI-3 has non-blocking collectives which you could MPI_Test for. There's a 3rd party library implementation called libNBC (non-blocking collectives) that you could use until such things become natively available.
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