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one of our user report us a problem with MPI_Gatherv of intelmpi 2017.
The problem is related to the maximum number of irecv requests in flight.
I've been running IMB with the following command
I run MPI with a single workstation( 2 x E5 2690).
When I export I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb.
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