[mpich-discuss] Non-constant extent for derived data types

[mhgardner]

Thanks, and sorry about that. Will keep future questions related to MPICH.

On Mon, Mar 9, 2015 at 1:36 PM, Balaji, Pavan <balaji at anl.gov> wrote:

>
> No, datatypes are meant to be persistent for a reasonably long period.
>
> Also, for general MPI questions, please use stack overflow or equivalent.
> This list is for MPICH related questions.
>
>   -- Pavan
>
> > On Mar 9, 2015, at 3:30 PM, mhgardner <mhgardner at berkeley.edu> wrote:
> >
> > Hi,
> >
> > I'm rather new to MPI, but I'm trying to define a derived MPI struct
> data type. The data type is made up of int, float and vector types. The
> number of entries in the vector elements are not constant throughout the
> analysis, so is there a way to define an MPI data type that can deal with
> vectors of changing size? Or is it better to create vectors of fixed extent
> and just add enough padding so they don't overflow?
> >
> > Thanks,
> >
> > Mike
> > _______________________________________________
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>
> --
> Pavan Balaji  ✉️
> http://www.mcs.anl.gov/~balaji
>
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