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How to run impi test program among cluster nodes

Dear All,

Just installed the Parallel Studio XE 2017 on CentOS 7 in a cluster mode.

For some reasons I cannot run the impi/2017.1.132/test.c from a multi-nodes environment.

I used the following to compile and execute (test executable been copies to other nodes):

mpiicc -o test test.c

mpirun -n 4 -hosts knl02,knl03 ~/test

result:

Hello world: rank 0 of 4 running on knl02
Hello world: rank 1 of 4 running on knl02
Hello world: rank 2 of 4 running on knl02
Hello world: rank 3 of 4 running on knl02

I could only execute the first node from the list of nodes and could not get more than one node to work.

Any pointers??  Thanks.

--Wo

 

 

 

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