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Documentation: HDF5

HDF5 is a versatile data storage and management library designed for storing and exchanging large and complex data collections. It provides a powerful and flexible data model for representing and organizing data, as well as a variety of high-level programming interfaces for accessing and manipulating data. HDF5 supports a wide range of data types and can handle data sets of virtually unlimited size.

HDF5 supports both parallel and serial file I/O, achieving high performance with both.