[mpi-21] MPI_FINALIZE

Hubert Ritzdorf ritzdorf at [hidden]
Tue Jan 29 14:46:53 CST 2008


I agree.

Hubert

William Gropp wrote:
> I think that we're fine as is, and can move this to the discussed but 
> require no change page.
>
> Bill
>
> On Jan 28, 2008, at 11:52 AM, Rolf Rabenseifner wrote:
>
>> Mainly to Jeff Squyres, Hubert Ritzdorf, Rolf Rabenseifner, Nicholas 
>> Nevin,
>>           Bill Gropp, Dick Treumann 
>>
>> This is a follow up to:
>>   MPI_FINALIZE in MPI-2 (with spawn) 
>>   in 
>> http://www.cs.uiuc.edu/homes/wgropp/projects/parallel/MPI/mpi-errata/index.html
>> with mail discussion in
>>   
>> http://www.cs.uiuc.edu/homes/wgropp/projects/parallel/MPI/mpi-errata/discuss/finalize/
>> _________________________________________
>>
>> When I understand correctly, then a clarification is not needed
>> because the MPI standard expresses all, i.e.
>> - MPI_Finalize need not to behave like a barrier 
>> - but is allowed to have a barrier inside.
>> - If the user wants to exit one spawned process while
>>   the others still continue to work, he/she must
>>   disconnect this process before calling MPI_Finalize on it.
>>
>> If somebody wants a clarification to be included into the standard
>> and therefore in Ballot 4, please send me your wording
>> with the page and line references included.
>>
>> If all agree, that no clarification is needed, then I would finish 
>> this track.
>>
>> Best regards
>> Rolf
>>
>>
>> Dr. Rolf Rabenseifner . . . . . . . . . .. email rabenseifner_at_[hidden] 
>> <mailto:rabenseifner_at_[hidden]>
>> High Performance Computing Center (HLRS) . phone ++49(0)711/685-65530
>> University of Stuttgart . . . . . . . . .. fax ++49(0)711 / 685-65832
>> Head of Dpmt Parallel Computing . . . www.hlrs.de/people/rabenseifner 
>> <http://www.hlrs.de/people/rabenseifner>
>> Nobelstr. 19, D-70550 Stuttgart, Germany . (Office: Allmandring 30)
>> _______________________________________________
>> mpi-21 mailing list
>> mpi-21_at_[hidden] <mailto:mpi-21_at_[hidden]>
>> http://lists.cs.uiuc.edu/mailman/listinfo/mpi-21
>>
>
> William Gropp
> Paul and Cynthia Saylor Professor of Computer Science
> University of Illinois Urbana-Champaign
>
>
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