Dear all,
thanks a lot.
Diego
On Wed, 29 Aug 2018 at 00:13, Nathan Hjelm via users <
users@lists.open-mpi.org> wrote:
>
> Yup. That is the case for all composed datatype which is what the tuple
> types are. Predefined composed datatypes.
>
> -Nathan
>
> On Aug 28, 2018, at 02:35 PM, "Jeff Squy
Yup. That is the case for all composed datatype which is what the tuple types
are. Predefined composed datatypes.
-Nathan
On Aug 28, 2018, at 02:35 PM, "Jeff Squyres (jsquyres) via users"
wrote:
I think Gilles is right: remember that datatypes like MPI_2DOUBLE_PRECISION are
actually 2 valu
I think Gilles is right: remember that datatypes like MPI_2DOUBLE_PRECISION are
actually 2 values. So if you want to send 1 pair of double precision values
with MPI_2DOUBLE_PRECISION, then your count is actually 1.
> On Aug 22, 2018, at 8:02 AM, Gilles Gouaillardet
> wrote:
>
> Diego,
>
>
Diego,
Try calling allreduce with count=1
Cheers,
Gilles
On Wednesday, August 22, 2018, Diego Avesani
wrote:
> Dear all,
>
> I am going to start again the discussion about MPI_MAXLOC. We had one a
> couple of week before with George, Ray, Nathan, Jeff S, Jeff S., Gus.
>
> This because I have
