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Subject: Re: [OMPI users] Bug in OpenMPI-1.8.1: missing routines mpi_win_allocate_shared, mpi_win_shared_query called from Ftn95-code
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2014-06-09 20:44:29


Oops. Looks like we missed these in the Fortran interfaces.

I'll file a bug; we'll get this fixed in OMPI 1.8.2. Many thanks for reporting this.

On Jun 5, 2014, at 5:41 AM, Michael.Rachner_at_[hidden] wrote:

> Dear developers of OpenMPI,
>
> I found that when building an executable from a Fortran95-code on a LINUX cluster with OpenMPI-1.8.1 (and INTEL-14.0.2 Ftn-compiler)
> the following two MPI-3 routines do not exist:
>
> /dat/KERNEL/mpi3_sharedmem.f90:176: undefined reference to `mpi_win_allocate_shared_'
> /dat/KERNEL/mpi3_sharedmem.f90:198: undefined reference to `mpi_win_shared_query_'
>
> It is just these 2 routines, which are necessary for the MPI3- shared memory access of the same Fortran array from different processes on same node.
> This is a breakthrough enabled by MPI-3, and for me the most important new feature of MPI-3,
> because it allows saving much storage in the Ftn-code and reduces a lot of MPI-data transmission required otherwise.
>
> Can you tell me, when these 2 important MPI-routines will be available?
>
> Thank You
> Michael Rachner
>
>
>
> Details:
>
> Version of MPI library used in this run:
> [1,0]<stdout>: Open MPI v1.8.1, package: Open MPI hpcoft14_at_cl3fr4 Distribution, ident: 1.8.1, Apr 22, 2014
>
> d0000000 cl3fr1 230$mpif90 -show
> ifort -I/opt/mpi/openmpi/1.8.1-intel-14.0.2/include -I/opt/mpi/openmpi/1.8.1-intel-14.0.2/lib -L/opt/system/torque/4.2.7/lib -Wl,-rpath -Wl,/opt/system/torque/4.2.7/lib -Wl,-rpath -Wl,/opt/system/torque/4.2.7/lib -Wl,-rpath -Wl,/opt/system/torque/4.2.7/lib -Wl,-rpath -Wl,/opt/system/torque/4.2.7/lib -Wl,-rpath -Wl,/opt/mpi/openmpi/1.8.1-intel-14.0.2/lib -Wl,--enable-new-dtags -L/opt/mpi/openmpi/1.8.1-intel-14.0.2/lib -lmpi_usempif08 -lmpi_usempi_ignore_tkr -lmpi_mpifh -lmpi
> d0000000 cl3fr1 231$
>
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-- 
Jeff Squyres
jsquyres_at_[hidden]
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