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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2005-08-10 12:28:03


That sounds perfect -- thanks!

On Aug 10, 2005, at 8:49 AM, Ralph H. Castain wrote:

> There is a variable for the entire name, but it follows the prefix
> rule. I'd have to look in the code to give you the exact reference
> (I'm not at a computer that has the code on it at the moment). It was
> originally defined so that launchers could pass the proc name on to
> the child process, but people mostly have gone to using the
> individual environmental parameters for job, vpid, etc so they don't
> have to parse the enviro variable on the receiving end.
>
> I have no objection to creating a short-hand version, if that's
> helpful to people. To avoid potential conflicts, we just wouldn't use
> it anywhere in the code base - we could just set it so that people
> could use it for things like valgrind. Let me know if that's
> something you'd like to see done and I'll add it to the list.
>
> Ralph
>
>
> At 04:58 AM 8/10/2005, you wrote:
>
>> On Aug 10, 2005, at 6:48 AM, Gleb Natapov wrote:
>>
>>
>>>> If you give an environment variable name to --log-file-
>>>> qualifier, it
>>>> will use the value of that environment variable in the output file
>>>> name. Do we have a suitable environment variable which is globally
>>>> available for such a purpose? (in LAM, we had $LAMRANK, which was
>>>> your
>>>> rank in MPI_COMM_WORLD)
>>>>
>>> I use $OMPI_MCA_ns_nds_vpid for this. Is this good enough?
>>>
>>
>> I knew about this one, but was wondering if we actually have anything
>> that encompasses the entire cellid,jobid,vpid triple, and perhaps
>> uses
>> a nice short name (perhaps one that does not obey the prefix rule --
>> gasp!). So I'm guessing this doesn't exist, but would be convenient
>> for exactly this purpose (valgrind's --log-file-qualifier).
>>
>> Ralph -- got any opinions here?
>>
>> --
>> {+} Jeff Squyres
>> {+} The Open MPI Project
>> {+} http://www.open-mpi.org/
>>
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>
>
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-- 
{+} Jeff Squyres
{+} The Open MPI Project
{+} http://www.open-mpi.org/