[Mpi-forum] MPI Forum BoF at SC 2011

James Dinan dinan at mcs.anl.gov
Thu Nov 3 10:33:17 CDT 2011

Hi Rich,

These are the questions I've been mulling over internally:

   1. Are C++ users limited by the C bindings?
   2. Would C++ users benefit substantially from C++ bindings?
   3. Do these bindings need to be in the MPI standard?

Almost all C++ users I talk to would use C++ bindings if they were good 
bindings and thorough.  However, this doesn't imply a strong "yes" to 
any of the above.

I think it would be really helpful to gather details on the technical 
shortcomings of C bindings in C++ code (the discussion on exceptions has 
been really interesting) and examples where a good C++ binding would 
have solved a development problem or provided a more elegant solution.


On 11/3/11 9:42 AM, Graham, Richard L. wrote:
> We can do this.
> With respect to C++, I would urge all to contact as many users as possible to see what their response is.  I have already done with with respect to ORNL and LANL, and am planning on using the BoF for this.
> I do plan to do the same for all/most of the items on the list.
> Rich
> On Nov 3, 2011, at 10:31 AM, Torsten Hoefler wrote:
>> Great! Thanks for organizing this.
>> It may be a good idea to have some straw votes with the audience. Just
>> as a reality-check if the Forum's opinion reflects the general public.
>> One particularly interesting topic would be a "public opinion" on
>> the proposed handling of the C++ bindings. I hear some large push-back
>> to deprecation (yes, it takes them a while to realize what we did) from
>> the applications community which is clearly underrepresented at the
>> Forum.
>> Thanks&  Best,
>>   Torsten
>> --
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>> Torsten Hoefler         | Performance Modeling and Simulation Lead
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