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Subject: Re: [OMPI devel] -display-map and mpi_spawn
From: Ralph Castain (rhc_at_[hidden])
Date: 2008-09-22 11:32:09


We always output the entire map, so you'll see the parent procs as
well as the child

On Sep 16, 2008, at 12:52 PM, Greg Watson wrote:

> Hi Ralph,
>
> No I'm happy to get a map at the beginning and at every spawn. Do
> you send the whole map again, or only an update?
>
> Regards,
>
> Greg
>
> On Sep 11, 2008, at 9:09 AM, Ralph Castain wrote:
>
>> It already somewhat does. If you use --display-map at mpirun, you
>> automatically get display-map whenever MPI_Spawn is called.
>>
>> We didn't provide a mechanism by which you could only display-map
>> for MPI_Spawn (and not for the original mpirun), but it would be
>> trivial to do so - just have to define an info-key for that
>> purpose. Is that what you need?
>>
>>
>> On Sep 11, 2008, at 5:35 AM, Greg Watson wrote:
>>
>>> Ralph,
>>>
>>> At the moment -display-map shows the process mapping when mpirun
>>> first starts, but I'm wondering about processes created
>>> dynamically. Would it be possible to trigger a map update when
>>> MPI_Spawn is called?
>>>
>>> Regards,
>>>
>>> Greg
>>> _______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
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>
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