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h5part - [H5Part] version 1.6.2 fails for npoints=0 on two processors

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[H5Part] version 1.6.2 fails for npoints=0 on two processors

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  • From: Sergey Litvinov <slitvinov AT>
  • To: h5part AT
  • Subject: [H5Part] version 1.6.2 fails for npoints=0 on two processors
  • Date: Wed, 6 Oct 2010 10:43:03 +0200
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I am using fortran API of H5Part on HLRB-II supercomputer in Germany.

I found that H5Part fails if I have more then one processor with zero

I can reproduce the error with a test case. Please find in the attachments

testfzero.F90: a test case I compile. (One can put
it in place of test/testf.F90 or modify test/
to have it as a new test case)

I compile  hdf5-1.8.5-patch1 with debug enabled and set environment variable
export HDF5_DEBUG="trace"
config.log.hdf5: logfile of hdf5 configuration

config.log.H5part: logfile of H5Part configuration

np.2: is an output of mpirun -prefix "%g: " -np 2 ./testf  (OK)
np.3: is an output of mpirun -prefix "%g: " -np 3 ./testf  (fails)

I use
> mpirun --version
MPI: 'SGI MPT 1.26  09/04/10 08:45:46'

> mpif90
mpif90 for LRZ wrapper for SGI MPT
ifort (IFORT) 10.1 20090817

> mpicc
mpicc for LRZ wrapper for SGI MPT
icc (ICC) 10.1 20090817

Attachment: testfzero.F90
Description: Binary data

Attachment: np.3
Description: Binary data

Attachment: np.2
Description: Binary data

Attachment: config.log.hdf5
Description: Binary data

Attachment: config.log.H5part
Description: Binary data

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