How to generate becakground error with Parallal processing

[reddy]

I am Narayana Reddy (PhD scholar) from IIT Bhubaneswar

Please let me know, How to run gen_be_wrapper.ksh file with parallal processors

using single processor running properly , It completed successfully
But it is taking so much time

we tried with mpirun -np 24 gen_be_wrapper.ksh
It did not work


Please help me with the above query
Thanks in advance