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Subject: Re: [OMPI devel] mpirun -host does not work from r27879 and forward on trunk
From: Ralph Castain (rhc_at_[hidden])
Date: 2013-01-31 11:50:49


Yes - no hostfile and no RM allocation, just -host.

What is your setup?

On Jan 31, 2013, at 8:44 AM, Rolf vandeVaart <rvandevaart_at_[hidden]> wrote:

> Interesting. Yes, I was saying that the latest trunk does not work for me. I just retested the trunk also, and no luck.
> Are you launching the MPI processes on remote nodes from the HNP?
>
>> -----Original Message-----
>> From: devel-bounces_at_[hidden] [mailto:devel-bounces_at_[hidden]]
>> On Behalf Of Ralph Castain
>> Sent: Thursday, January 31, 2013 11:40 AM
>> To: Open MPI Developers
>> Subject: Re: [OMPI devel] mpirun -host does not work from r27879 and
>> forward on trunk
>>
>> FWIW: I just tried it on the trunk head and it worked fine
>>
>> On Jan 31, 2013, at 8:20 AM, Ralph Castain <rhc_at_[hidden]> wrote:
>>
>>> Ummm...that was fixed a long time ago. You might try a later version.
>>>
>>> Or are you saying the head of the trunk doesn't work too?
>>>
>>> On Jan 31, 2013, at 7:31 AM, Rolf vandeVaart <rvandevaart_at_[hidden]>
>> wrote:
>>>
>>>> I have stumbled into a problem with the -host argument. This problem
>> appears to be introduced with changeset r27879 on 1/19/2013 by rhc.
>>>>
>>>> With r27877, things work:
>>>> [rolf_at_node]$ which mpirun
>>>> /home/rolf/ompi-trunk-r27877/64/bin/mpirun
>>>> [rolf_at_node]$ mpirun -np 2 -host c0-0,c0-3 hostname
>>>> c0-3
>>>> c0-0
>>>>
>>>> With r27879, things are broken:
>>>> [rolf_at_node]$ setenv PATH /home/rolf/ompi-trunk-r27879/64/bin:${PATH}
>>>> [rolf_at_node]$ mpirun -np 2 -host c0-0,c0-3 hostname
>>>> ---------------------------------------------------------------------
>>>> ----- All nodes which are allocated for this job are already filled.
>>>> ---------------------------------------------------------------------
>>>> -----
>>>> [rolf_at_Fermi-Cluster nv]$
>>>>
>>>> Note: Could not compile r27878 so did not test that.
>>>>
>>>> I can only run processes on the same node as mpirun.
>>>>
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