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Subject: Re: [OMPI users] MPI_IN_PLACE in a call to MPI_Allreduce in Fortran
From: Tom Rosmond (rosmond_at_[hidden])
Date: 2013-09-07 14:05:25


What Fortran compiler is your OpenMPI build with? Some fortran's don't
understand MPI_IN_PLACE. Do a 'fortran MPI_IN_PLACE' search to see
several instances.

T. Rosmond

On Sat, 2013-09-07 at 10:16 -0400, Hugo Gagnon wrote:
> Nope, no luck. My environment is:
>
> OpenMPI 1.6.5
> gcc 4.8.1
> Mac OS 10.8
>
> I found a ticket reporting a similar problem on OS X:
>
> https://svn.open-mpi.org/trac/ompi/ticket/1982
>
> It said to make sure $prefix/share/ompi/mpif90-wrapper-data.txt had the
> following line:
>
> compiler_flags=-Wl,-commons,use_dylibs
>
> I checked mine and it does (I even tried to include it explicitly on the
> command line but without success), what should I do next?
>