Hi meep users

 

I want to use the parallel version of meep. So I installed openmpi 

My computer has 4 nodes and 8 processors. 1 node has 2 processors

 

To run with 8 processors, I used some something like,

 

‘Mpirun -np 8 meep-mpi xxx.ctl | tee xxx.out’

 

But, the error was happened with this massage

 

‘MPI Application rank 7 killed before MPI_Init() with signal 9’

 

However, if I change ‘-np 8’ to ‘-np 2’, the simulation runs without
the error

 

Why does this problem happen?

 

I want to use all processors because of memory problem.

 

Thanks in advance

 

Cho.

 

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