H5Part development and discussion

[Sergey Litvinov <slitvinov AT gmail.com>]

I am using fortran API of H5Part on HLRB-II supercomputer in Germany.
http://www.lrz.de/services/compute/hlrb/

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

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/Makefile.am
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

H5Part-1.6.2
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: libxmpi.so '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