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Subject: [OMPI users] Bug in OpenMPI-1.8.1: missing routines mpi_win_allocate_shared, mpi_win_shared_query called from Ftn95-code
From: Michael.Rachner_at_[hidden]
Date: 2014-06-05 05:41:24

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


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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