hello guys i've buliding a cluster system with mpich-1.2.7p1,when i test my machine it work..but when i run the mpirun it doesn't work ini cluster...but its running and i got this error It seems that [at least] one of the processes that was started with mpirun did not invoke MPI_INIT before quitting (it is possible that more than one process did not invoke MPI_INIT -- mpirun was only notified of the first one, which was on node n0).
mpirun can *only* be used with MPI programs (i.e., programs that invoke MPI_INIT and MPI_FINALIZE). You can use the "lamexec" program to run non-MPI programs over the lambooted nodes. and then i try to run lamexec it work.. i wanna ask you guys the different between of lamexec and mpirun thank you for your advice regards christian
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