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Subject: Re: [OMPI devel] MPI datatype problem in mpi_test_suite?
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-07-07 10:13:03


On Jul 6, 2009, at 7:43 PM, Rainer Keller wrote:

> > I can't quite follow the test suite code, but MPI_TYPE_MIX is some
> kind of derived MPI datatype.
>
> Yes. Basically MPI_TYPE_MIX (and MPI_TYPE_MIX_LB_UB) is a struct of
> 11 basic
> types:
> MPI_Datatype mix_type[11] = {MPI_CHAR, MPI_SHORT, MPI_INT, MPI_LONG,
> MPI_FLOAT, MPI_DOUBLE, MPI_FLOAT_INT,
> MPI_DOUBLE_INT, MPI_LONG_INT, MPI_SHORT_INT,
> MPI_2INT};
>
> Now, as it contains MPI_SHORT_INT (which contains a hole), the
> problem's cause
> may be similar!
> This has to be investigated.
>

I've filed ticket https://svn.open-mpi.org/trac/ompi/ticket/1968.

-- 
Jeff Squyres
Cisco Systems