On Mon, Sep 16, 2013 at 11:11 AM, Roy Stogner <[email protected]>wrote:
>
> On Mon, 16 Sep 2013, Kirk, Benjamin (JSC-EG311) wrote:
>
> > On Sep 16, 2013, at 11:49 AM, "Kirk, Benjamin (JSC-EG311)" <
> [email protected]>
> > wrote:
> >
> >> I'm building against openmpi 1.7.2 to try and remove all deprecated
> MPI-1 functionality, and I've got a sticking point in parallel_algebra.h.
> >>
> >> The MPI_LB/MPI_UB macros are deprecated, and I'm not sure what the
> proper replacement is in that file for their usage. Looks like we are
> trying to protect for vtable's in an array of libMesh::TypeVector<T>'s?
> How is it we know to add two datatypes around the actual contents of the
> vector?
> >>
> >> http://www.mpi-forum.org/docs/mpi21-report/node27.htm
> >>
> ------------------------------------------------------------------------------
> >
> > To follow up on my own thread:
> >
> >
> http://stackoverflow.com/questions/16738257/mpi-bcast-broadcast-of-a-stdvector-of-structs?rq=1
> >
> > looks instructive with
> > MPI_Type_create_resized
> >
> > but I can't believe this is a better solution.
>
> It's at the very least an incomplete solution.
> MPI_Type_create_resized isn't in MPI 1.3; to keep backwards
> compatibility we'd need an #ifdef nest there.
>
Looks like MPI_SUBVERSION is also available. Maybe create a
MPI_VERSION_LESS_THAN macro like we have for PETSc?
As far as the LIBMESH_DIM+2 stuff, is that extra space specifically for the
UB/LB marker things.
--
John
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