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<html>
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<title>
Advanced Topics in HDF5
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<h1>Advanced Topics in HDF5</h1>
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<!-- OF INTEREST TO GENERAL USERS -->
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<tr><td colspan="3">
<hr color="green" size="3"/>
The following topics are broadly applicable in HDF5 applications.
<hr color="green" size="1"/>
</td></tr>
<tr><td valign="top"><a href="Advanced/Chunking/index.html">Chunking in HDF5</a>
</td><td>
</td><td valign="top">Provides background and guidance to assist in
structuring and tuning the use of chunking.
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/DirectChunkWrite/UsingDirectChunkWrite.pdf">
Using the Direct</a>
<br />
<a href="Advanced/DirectChunkWrite/UsingDirectChunkWrite.pdf">
Chunk Write</a>
<br />
<a href="Advanced/DirectChunkWrite/UsingDirectChunkWrite.pdf">
Function</a>
</td><td>
</td><td valign="top">
Describes another way that chunks can be written to datasets.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/CommittedDatatypeCopying/CopyingCommittedDatatypesWithH5Ocopy.pdf">
Copying Committed</a>
<br />
<a href="Advanced/CommittedDatatypeCopying/CopyingCommittedDatatypesWithH5Ocopy.pdf">
Datatypes with</a>
<br />
<a href="Advanced/CommittedDatatypeCopying/CopyingCommittedDatatypesWithH5Ocopy.pdf">
H5Ocopy</a>
</td><td>
</td><td valign="top">
Describes how to copy to another file a dataset that uses a committed
datatype or an object with an attribute that uses a committed datatype
so that the committed datatype in the destination file can be used by
multiple objects.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top"><a href="Advanced/UsingIdentifiers/index.html">Using
Identifiers</a>
</td><td>
</td><td valign="top">Describes how HDF5 identifiers behave and
how they should be treated.
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<a href="Advanced/UsingUnicode/index.html">Using
UTF-8 Encoding in HDF5 Applications</a>
</td></tr>
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<td> </td>
<td valign="top" colspan="2">Describes the use of UTF-8 Unicode character
encodings in HDF5 applications.
</td></tr>
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-->
<tr><td valign="top"><a href="Advanced/UsingUnicode/index.html">Using
UTF-8 </a>
<br />
<a href="Advanced/UsingUnicode/index.html">Encoding in</a>
<br />
<a href="Advanced/UsingUnicode/index.html">HDF5 Applications</a>
</td><td>
</td><td valign="top">Describes the use of UTF-8 Unicode character
encodings in HDF5 applications.
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top"><a href="Advanced/HDF5_Metadata/index.html">HDF5
Metadata</a>
</td><td></td><td valign="top">Provides a comprehensive overview of
the types of metadata used in HDF5.
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/DynamicallyLoadedFilters/HDF5DynamicallyLoadedFilters.pdf">
HDF5 Dynamically</a>
<br />
<a href="Advanced/DynamicallyLoadedFilters/HDF5DynamicallyLoadedFilters.pdf">
Loaded Filters</a>
</td><td></td><td valign="top">
Describes how an HDF5 application can apply a filter that is not
registered with the HDF5 Library.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<!-- -->
<!-- MORE ESOTERIC TOPICS -->
<!-- -->
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<a href="Advanced/DataFlow_H5Dread/DataFlow_H5Dread.pdf">HDF5
Data Flow</a>
<br /> <a href="Advanced/DataFlow_H5Dread/DataFlow_H5Dread.pdf">Pipeline for H5Dread</a>
</td><td>
</td><td valign="top">Describes data flow when reading raw data
from an HDF5 dataset.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<!-- -->
<!-- MOST ESOTERIC TOPICS -->
<!-- -->
<tr><td colspan="3">
<hr color="green" size="3"/>
The following topics are of interest in certain limited
situations such as when space utilization or performance must
be carefully tuned.
<hr color="green" size="1"/>
</td></tr>
<tr><td valign="top"><a href="Advanced/MetadataCache/index.html">Metadata
Caching</a>
<br />
<a href="Advanced/MetadataCache/index.html">in HDF5</a>
</td><td></td><td valign="top">Provides detailed information for
managing and tuning HDF5 metadata caching.
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/FileImageOperations/HDF5FileImageOperations.pdf">
HDF5 File Image </a>
<br />
<a href="Advanced/FileImageOperations/HDF5FileImageOperations.pdf">
Operations</a>
</td><td></td><td valign="top">
Describes how to work with HDF5 files in memory. Disk I/O is not
required when file images are opened, created, read from, or
written to.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/ModifiedRegionWrites/ModifiedRegionWrites.pdf">
Modified Region </a>
<br />
<a href="Advanced/ModifiedRegionWrites/ModifiedRegionWrites.pdf">
Writes</a>
</td><td></td><td valign="top">
Describes how to set write operations for in-memory files so that
only modified regions are written to storage. Available when
the Core (Memory) VFD is used.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/FreeingMemory/FreeingMemoryAllocatedByTheHdf5Library.pdf">
Freeing Memory </a>
<br />
<a href="Advanced/FreeingMemory/FreeingMemoryAllocatedByTheHdf5Library.pdf">
Allocated by the </a>
<br />
<a href="Advanced/FreeingMemory/FreeingMemoryAllocatedByTheHdf5Library.pdf">
HDF5 Library</a>
</td><td></td><td valign="top">
Describes how inconsistent memory management can cause heap
corruption or resource leaks and possible solutions.
<br />
<i>(PDF only)</i>
</td></tr>
<tr><td colspan="3"> </td></tr>
<tr><td valign="top">
<a href="Advanced/PHDF5FileConsistencySemantics/PHDF5FileConsistencySemantics.pdf">
Enabling a Strict</a>
<br />
<a href="Advanced/PHDF5FileConsistencySemantics/PHDF5FileConsistencySemantics.pdf">
Consistency </a>
<br />
<a href="Advanced/PHDF5FileConsistencySemantics/PHDF5FileConsistencySemantics.pdf">
Semantics Model</a>
<br />
<a href="Advanced/PHDF5FileConsistencySemantics/PHDF5FileConsistencySemantics.pdf">
in Parallel HDF5</a>
</td><td></td><td valign="top">
Describes how to improve file access consistency semantics with the
Parallel HDF5 Library.
<br />
<i>(PDF only)</i>
</td></tr>
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<hr color="green" size="3"/>
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<tr><td valign="top"><a href="Advanced/SUBDIR">TitleLine1</a>
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</td><td></td><td valign="top">DESCRIPTION
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The HDF Group Help Desk: <img src="Graphics/help.png" align=top height=16>
<br>
Describes HDF5 Release 1.8.13, May 2014.
</address>
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<a href="Copyright.html">Copyright</a> by
<a href="http://www.hdfgroup.org">The HDF Group</a>
<br>
and the Board of Trustees of the University of Illinois
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Last modified: 23 April 2014
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