HDF Newsletter #78

June 14, 2004


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Flexible Parallel HDF5 Alpha1 Release

The Alpha1 release of Flexible Parallel HDF5 (FPHDF5) is now available. It is a prototype implementation with limited features. Its purpose is to test the general concept and programming interface of the Flexible Parallel HDF5 API. You will find more design and implementation details on the following webpage:

http://hdf.ncsa.uiuc.edu/Parallel_HDF/PHDF5/FPH5/


How to build

Download:

ftp://hdf.ncsa.uiuc.edu/pub/outgoing/hdf5/FPH5/hdf5-1.7.24-fph5_alpha1.gz

Untar it and follow the configure command in the next paragraph.

If you need more detailed instructions on how to build the HDF5 software, you can read the file, README.txt, in the untarred directory and follow it from there.


CONFIGURE

To configure the FPHDF5 feature, do the usual parallel HDF5 configure plus "--enable-fphdf5". E.g.,

env CC=mpicc ./configure --enable-parallel --enable-fphdf5


Features Supported


Machines supported

LANL QSC LANL Theta LLNL Blue, Frost SNL Tflops Linux Mpich NCSA Coppper (AIX 5.1)


PHDF5 Example Code

In the source directory, check out this file,

testpar/t_fphdf5.c


Known problems

Limited up to 9 processes. Will fail when run with 10 or more processes.