[OMPI users] Behavior of MPI_Send

t for an ACK from the receiver to proceed? -Charles Salvia

[OMPI users] TCP sockets opened by OpenMPI

With using TCP with OpenMPI 1.3.3, how many sockets does each process open per peer-process? Does each process open a single socket to connect to each peer-process, or does it use TWO sockets, one for sending, one for receiving? Thanks,

Re: [OMPI users] Number of Sockets used by OpenMPI

wrote: > It depends upon which version of OMPI you are using - can you please tell > us? > > Thanks > Ralph > > On Nov 13, 2009, at 6:59 PM, Charles Salvia wrote: > > > When using TCP, how many sockets does each process open per peer-process? > Does each process o

[OMPI users] Number of Sockets used by OpenMPI

When using TCP, how many sockets does each process open per peer-process? Does each process open a single socket to connect to each peer-process, or does it use TWO sockets, one for sending, one for receiving? Thanks, -Charles Salvia

[OMPI users] OMPI Connection Retry Policy

matically open a new socket." Shouldn't this read "so the first time a process sends a message to a peer and there is *NO* TCP connection between the two"? Or am I misunderstanding something here? I appreciate any feed back regarding this issue. Thanks, Charles Salvia

[OMPI users] Basic Question about MPI

I am very new to the concept of MPI, and have only recently begun researching it. I have a very basic question about the way MPI works. How exactly does MPI distribute user-created applications (binary code) over a network? Does it actually copy the binary into the local memory of each node, and