On Feb 25, 2010, at 7:14 AM, hu yaohui wrote:
> Thanks a lot! i got it.Could you introduce some more materials for me to get better understood of the following functions:
This is just the OB1 function to add new peer processes. It's called by the MPI layer -- e.g., during MPI_INIT, MPI_COMM_SPAWN, etc.
The BML is the BTL Multiplexing Layer. It's just a multiplexer for marshalling multiple BTL's together. It has no message passing functionality in itself -- it just finds and dispatches to underlying BTL's.
Check out the description of the BTL add_procs function in ompi/mca/btl/btl.h. This is the TCP BTL component's add_procs function. Every BTL has one.
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