[mpiwg-tools] ticket 405: MPI_CHAR as string

[Junchao Zhang]

My fault. I misunderstood the text.

PS: I find  MPI_CHAR variables are a little special.  For  MPI_INT like
variables, we get their count from *_handle_alloc. When we write them, very
likely we don't increase its count. But for MPI_CHAR variables, it is not
the case. When you write them, you probably have a longer string to write!



--Junchao Zhang


On Sat, Feb 8, 2014 at 9:54 AM, Kathryn Mohror <kathryn at llnl.gov> wrote:

> Hi Junchao,
>
> I'm not sure what you mean. MPI_CHAR is in the list of types allowed for
> variables in section 14.3.5.
>
> Kathryn
>
> On Feb 8, 2014, at 4:54 AM, Junchao Zhang <jczhang at mcs.anl.gov> wrote:
>
> When to use MPI_CHAR? I don't find it in the text.
> At least, for non-generic pvars, MPI_CHAR is not in the allowed types
> currently.
>
> --Junchao Zhang
>  Hi all,
>
>  As we discussed in our call, I have drafted new text for ticket 405
> which clarifies our intent for the MPI_CHAR datatype to represent strings
> in the tools interface. Please take a look at the red text for ticket 405
> in the attached document and send your comments.
>
>  Kathryn
>
>
>    _________________________________________________________________
> Kathryn Mohror, kathryn at llnl.gov, http://scalability.llnl.gov/
> Scalability Team @ Lawrence Livermore National Laboratory, Livermore, CA,
> USA
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> Kathryn Mohror, kathryn at llnl.gov, http://scalability.llnl.gov/
> Scalability Team @ Lawrence Livermore National Laboratory, Livermore, CA,
> USA
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