[MOAB-dev] [Fathom] Problem with mbparallelcomm_test?

[tautges at mcs.anl.gov]

Bcast puts the whole mesh on every proc, so no shared ents. I think  
this is documented in the v4 ug now.

- tim


On Apr 2, 2010, at 4:01 PM, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> I ran mbconvert and mbparallelcomm_test on blocks-64.h5m and
> tjunc6RIB.h5m using 4 procs on cosmea.
> It appears that mbconvert has no problem reading these files with
> PARALLEL=BCAST, but mbparallelcomm_test isn't doing so well.
> I'm not sure what the difference between the two is (I suppose I
> should go and sift through the source code), but perhaps mbconvert
> doesn't have to
> resolve shared entities, while mbparallelcomm_test does?
>
> The mesh files are in ~karpeev/fathom/moab/data/blocks-64.h5m and
> ~karpeev/fathom/moab/data/tjunc6/tjunc6RIB_16.h5m on MCS machines or
> on cosmea.
> Any ideas about what's going on?
> Thanks.
> Dmitry.
>
> Here's the output:
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> ======================================================================
> blocks-64/mbconvert
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> ----------------------------------------------------------------------
> --- Running LD_PRELOAD= mpiexec -machinefile mpi.nodes.17204 -n 4
> /home/karpeev/fathom/moab/data/../unstable/build/tools/mbconvert  '-O'
> 'PARALLEL=BCAST' '-O' 'PARTITION=MATERIAL_SET' '-f' 'VTK'
> 'blocks-64.h5m' '/dev/null' 2>&1 1>
> /home/karpeev/fathom/moab/data/./mbconvert_runs/bcast/blocks-64.4.out
> Read "blocks-64.h5m"
> Wrote "/dev/null"
> Read "blocks-64.h5m"
> Wrote "/dev/null"
> Read "Read "blocks-64.h5m"
> blocks-64.h5m"
> Wrote "/dev/null"
> Wrote "/dev/null"
> --- Done
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> ----------------------------------------------------------------------
> blocks-64/mbparallelcomm_test
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> ----------------------------------------------------------------------
>
> --- Running LD_PRELOAD= mpiexec -machinefile mpi.nodes.17589 -n 4
> /home/karpeev/fathom/moab/data/../unstable/build/test/parallel/ 
> mbparallelcomm_test
> '-3' '3' '1' 'tjunc6/blocks-64.h5m' 'MATERIAL_SET' 2>&1 1>
> /home/karpeev/fathom/moab/data/./mbparallelcomm_test_runs/bcast/ 
> blocks-64.4.out
> Couldn't read mesh; error message:
> Failed in step PARALLEL READ
>
>
> application called MPI_Abort(MPI_COMM_WORLD, 0) - process 0--- Done
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> ----------------------------------------------------------------------
> tjunc6RIB_16/mbconvert
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> ----------------------------------------------------------------------
> --- Running LD_PRELOAD= mpiexec -machinefile mpi.nodes.17340 -n 4
> /home/karpeev/fathom/moab/data/../unstable/build/tools/mbconvert  '-O'
> 'PARALLEL=BCAST' '-O' 'PARTITION=PARALLEL_PARTITION' '-f' 'VTK'
> 'tjunc6/tjunc6RIB_16.h5m' '/dev/null' 2>&1 1>
> /home/karpeev/fathom/moab/data/./mbconvert_runs/bcast/ 
> tjunc6RIB_16.4.out
> Read "tjunc6/tjunc6RIB_16.h5m"
> Read "tjunc6/tjunc6RIB_16.h5m"
> Read "tjunc6/tjunc6RIB_16.h5m"
> Read "tjunc6/tjunc6RIB_16.h5m"
> Wrote "/dev/null"
> Wrote "/dev/null"
> Wrote "/dev/null"
> Wrote "/dev/null"
> --- Done
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> ----------------------------------------------------------------------
> tjunc6RIB_16/mbparallelcomm_test
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> ----------------------------------------------------------------------
> --- Running LD_PRELOAD= mpiexec -machinefile mpi.nodes.17453 -n 4
> /home/karpeev/fathom/moab/data/../unstable/build/test/parallel/ 
> mbparallelcomm_test
> '-3' '3' '1' 'tjunc6/tjunc6RIB_16.h5m' 'PARALLEL_PARTITION' 2>&1 1>
> /home/karpeev/fathom/moab/data/./mbparallelcomm_test_runs/bcast/ 
> tjunc6RIB_16.4.out
> Couldn't read mesh; error message:
> Failed in step PARALLEL RESOLVE_SHARED_ENTS
>
>
> application called MPI_Abort(MPI_COMM_WORLD, 0) - process 0--- Done
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