ct: Re: [OMPI users] mpi_f08 Question: set comm on declaration error, and
other questions
On Sunday, August 21, 2016, Ben Menadue <ben.mena...@nci.org.au
<mailto:ben.mena...@nci.org.au> > wrote:
Hi,
In Fortran, using uninitialised variables is undefined behaviour. In this
t;]
*On Behalf Of *Matt Thompson
*Sent:* Sunday, 21 August 2016 3:07 AM
*To:* Open MPI Users <users@lists.open-mpi.org
<javascript:_e(%7B%7D,'cvml','users@lists.open-mpi.org');>>
*Subject:* Re: [OMPI users] mpi_f08 Question: set comm on
declaration error, and other
t;
>
>
> *From:* users [mailto:users-boun...@lists.open-mpi.org
> <javascript:_e(%7B%7D,'cvml','users-boun...@lists.open-mpi.org');>] *On
> Behalf Of *Matt Thompson
> *Sent:* Sunday, 21 August 2016 3:07 AM
> *To:* Open MPI Users <users@lists.open-mpi.org
> <javascr
Thompson
Sent: Sunday, 21 August 2016 3:07 AM
To: Open MPI Users <users@lists.open-mpi.org>
Subject: Re: [OMPI users] mpi_f08 Question: set comm on declaration error, and
other questions
On Fri, Aug 19, 2016 at 8:54 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com
<mailto:jsquy.
On Fri, Aug 19, 2016 at 8:54 PM, Jeff Squyres (jsquyres) wrote:
> On Aug 19, 2016, at 6:32 PM, Matt Thompson wrote:
>
> > > that the comm == MPI_COMM_WORLD evaluates to .TRUE.? I discovered that
> once when I was printing some stuff.
> >
> > That might
On Aug 19, 2016, at 6:32 PM, Matt Thompson wrote:
>
> 2. The second one is a run-time assignment. You can do that between any
> compatible entities, and so that works.
>
> Okay. This makes sense. I guess I was surprised that MPI_COMM_NULL wasn't a
> constant (or parameter,
On Fri, Aug 19, 2016 at 2:55 PM, Jeff Squyres (jsquyres) wrote:
> On Aug 19, 2016, at 2:30 PM, Matt Thompson wrote:
> >
> > I'm slowly trying to learn and transition to 'use mpi_f08'. So, I'm
> writing various things and I noticed that this triggers an
On Aug 19, 2016, at 2:30 PM, Matt Thompson wrote:
>
> I'm slowly trying to learn and transition to 'use mpi_f08'. So, I'm writing
> various things and I noticed that this triggers an error:
>
> program hello_world
>use mpi_f08
>implicit none
>type(MPI_Comm) ::
Oh great Open MPI Gurus,
I'm slowly trying to learn and transition to 'use mpi_f08'. So, I'm writing
various things and I noticed that this triggers an error:
program hello_world
use mpi_f08
implicit none
type(MPI_Comm) :: comm = MPI_COMM_NULL
end program hello_world
when compiled