On Jun 11, 2012, at 12:11 PM, BOUVIER Benjamin wrote:
> Wow. I thought in the first place that all combinations would be equivalent, but in fact, this is not the case...
> I've kept the firewalls down during all the tests.
>
>> - on node1, "mpirun --host node1,node2 ring_c"
> Works.
>
>> - on node1, "mpirun --host node1,node3 ring_c"
>> - on node1, "mpirun --host node2,node3 ring_c"
> Blocks after "Process 0 sent to 1".
>
>> - on node1, "mpirun --host node1,node2,node3 ring_c"
> "Process 0 sending 10 to 1, tag 201 (3 processes in ring)
> Process 0 sent to 1
> Process 0 decremented value: 9" then blocks
What's the output from ifconfig on all nodes?
--
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
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