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Parallel Programming with HDF5

This tutorial assumes that you are somewhat familiar with parallel programming with MPI (Message Passing Interface).

If you are not familiar with parallel programming, here is a tutorial that may be of interest:

Some of the terms that you must understand in this tutorial are:

Parallel HDF5 opens a parallel file with a communicator. It returns a file handle to be used for future access to the file.

All processes are required to participate in the collective Parallel HDF5 API. Different files can be opened using different communicators.

Examples of what you can do with the Parallel HDF5 collective API:

Once a file is opened by the processes of a communicator:

Please refer to the Supported Configuration Features Summary in the release notes for the current release of HDF5 for an up-to-date list of the platforms that we support Parallel HDF5 on.

- - Last modified: 01 June 2017