[Mpi-forum] Review/Reading versions of #204 and #266

[Martin Schulz]

Hi Fab,

On Sep 9, 2011, at 9:42 AM, Fab Tillier wrote:

> Hi Martin,
> 
> As I won't be at the Greece meeting, I thought I would give you feedback now.
> 
> I see that the string length handling is consistent with the silly precedent set with functions like MPI_COMM_GET_NAME, where the buffer length on input is assumed.  This is just bad software design, and I feel very strongly that we should from this pattern and have the string length specified on input by making the parameter INOUT just like you did for the MPI_T interfaces. 

Thanks for the feedback - I fully agree with you that the new type
of string returns that we have adopted in MPI_T is much cleaner
and I do prefer it as well.

However, this ticket was only intended as a minor addition since
there was a common need and the forum liked the idea when I
presented it last time. Changing the interface would mean larger
changes by moving the interface descriptions up from MPI_T 
into the general document (since this shouldn't be twice in the 
document)and making it clear where it applies and where not
(Which of the existing routines would we change, which not?
Would we add double interfaces for existing routines?).

I would be happy to propose this as a separate ticket, but I would
like to hear from the rest of the forum first on how they feel about
this and what they think is the best way to do this. I am hesitant
to make such a larger proposal without knowing in which 
direction this should go.

Martin


> 
> Cheers,
> -Fab
> 
> Martin Schulz wrote on Fri, 9 Sep 2011 at 00:11:40
> 
>> Hi all,
>> 
>> I uploaded new versions of the proposals
>> 
>> #204: MPI_Get_library_version
>>   (also contains two suggested ticket 0 changes for the
>>    MPI Environmental Management chapter)
>> #266: The MPI tool information interface
>> 
>> for comments and as the versions intended for the formal
>> readings in Greece.
>> 
>> Please let me know if you have any questions or comments.
>> 
>> Thanks!
>> 
>> Martin
>> 
>> 
>> PS: Rich - could you please add a reading for #204 to the
>> MPI_T reading time slot? This should only take 10min and
>> I was planning to do this either right before or after the
>> MPI_T reading. Thanks!
>> 
>> __________________________________________________________
>> ______________ Martin Schulz, schulzm at llnl.gov,
>> http://people.llnl.gov/schulzm CASC @ Lawrence Livermore National
>> Laboratory, Livermore, USA
>> 
>> 
>> 
>> _______________________________________________
>> mpi-forum mailing list
>> mpi-forum at lists.mpi-forum.org
>> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi-forum

________________________________________________________________________
Martin Schulz, schulzm at llnl.gov, http://people.llnl.gov/schulzm
CASC @ Lawrence Livermore National Laboratory, Livermore, USA