[MPI3 Fortran] Straw vote on integers kinds

Craig Rasmussen crasmussen at newmexicoconsortium.org
Tue Sep 15 10:41:39 CDT 2009


On Sep 14, 2009, at 2:01 PM, Bill Long wrote:

>
>
> N.M. Maclaren wrote:
>> On Sep 14 2009, Bill Long wrote:
>>> Craig Rasmussen wrote:
>>>>
>>>> Please vote for one of the options.  ...
>>>
>>> I'm not convinced there is much real difference among these options.
>> I agree, though for slightly different reasons.
>> I think that all four are a mistake, because they are conflating  
>> all MPI
>> integers into one.  I would use two names, one for integers that  
>> may scale
>> with memory size and one where that would be overkill.
>
> Note that the wiki page includes a proposed MPI_COUNT_KIND, which I  
> think is the integer kind that scales with memory size.  I assumed  
> this discussion was for integer arguments other than the ones for  
> which kind=MPI_COUNT_KIND is specified.  It would help if that were  
> clarified, especially if my assumption is wrong.  I agree with Nick  
> that an independent kind constant is needed for the size cases.
>

To make this perfectly clear (I need to fix the wiki).  Bill is correct.

-craig



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