mpirun --oversubscribe  or   OMPI_MCA_rmaps_base_oversubscribe=1

On Dec 15, 2011, at 11:27 AM, TERRY DONTJE wrote:

> There's an oversubscribe option I can set in my case, right?
> 
> Thanks,
> 
> --td
> 
> On 12/15/2011 1:22 PM, Ralph Castain wrote:
>> 
>> This is fixed, to a degree, with r25659. However, note that there is one big 
>> change that occurred back when we first committed the mapping change.
>> 
>> As I noted at that time, we changed the default for RM-given allocations to 
>> be no-oversubscribe. So your MTTs may well fail if they weren't updated as 
>> all those tests oversubscribe the nodes, and are running in RM environments.
>> 
>> 
>> On Dec 15, 2011, at 8:37 AM, TERRY DONTJE wrote:
>> 
>>> Last night MTT test results for 1.7a1r25652 from IU and Oracle is showing 
>>> failures during some of the spawn tests see 
>>> http://www.open-mpi.org/mtt/index.php?do_redir=2036.
>>> 
>>> Essentially, the test are failing with the message:
>>> All nodes which are allocated for this job are already filled.
>>> 
>>> I wonder if this is related to some of the hostfile changes done lately.  
>>> Anyways, I am 
>>> working on narrowing down the revision that introduced that but if someone 
>>> figures this out 
>>> before me that would be great.
>>> 
>>> <Mail Attachment.gif>
>>> Terry D. Dontje | Principal Software Engineer
>>> Developer Tools Engineering | +1.781.442.2631
>>> Oracle - Performance Technologies
>>> 95 Network Drive, Burlington, MA 01803
>>> Email terry.don...@oracle.com
>>> 
>>> 
>>> 
>>> _______________________________________________
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>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>> 
>> 
>> _______________________________________________
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> 
> -- 
> <Mail Attachment.gif>
> Terry D. Dontje | Principal Software Engineer
> Developer Tools Engineering | +1.781.442.2631
> Oracle - Performance Technologies
> 95 Network Drive, Burlington, MA 01803
> Email terry.don...@oracle.com
> 
> 
> 
> _______________________________________________
> devel mailing list
> de...@open-mpi.org
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