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| <h1 title="Package" class="title">Package org.apache.sysds.runtime.compress.colgroup</h1> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></td> |
| <td class="colLast"> |
| <div class="block">Class that stores information about a column group within a compressed matrix block.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ADictionary.html" title="class in org.apache.sysds.runtime.compress.colgroup">ADictionary</a></td> |
| <td class="colLast"> |
| <div class="block">This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column |
| group.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupConst.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupConst</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupConverter.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupConverter</a></td> |
| <td class="colLast"> |
| <div class="block">Utility functions for ColGroup to convert ColGroups or MatrixBlocks.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupDDC.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupDDC</a></td> |
| <td class="colLast"> |
| <div class="block">Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupEmpty.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupEmpty</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupFactory.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Factory pattern for constructing ColGroups.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupIO.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupIO</a></td> |
| <td class="colLast"> |
| <div class="block">This has the IO responsibility of ColGroups, such that it enables to read and write ColGroups to and from a DataInput |
| and DataOutput</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOffset</a></td> |
| <td class="colLast"> |
| <div class="block">Base class for column groups encoded with various types of bitmap encoding.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOLE</a></td> |
| <td class="colLast"> |
| <div class="block">Class to encapsulate information about a column group that is encoded with simple lists of offsets for each set of |
| distinct values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupRLE</a></td> |
| <td class="colLast"> |
| <div class="block">A group of columns compressed with a single run-length encoded bitmap.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDC.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDC</a></td> |
| <td class="colLast"> |
| <div class="block">Column group that sparsely encodes the dictionary values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCSingle.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCSingle</a></td> |
| <td class="colLast"> |
| <div class="block">Column group that sparsely encodes the dictionary values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCSingleZeros.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCSingleZeros</a></td> |
| <td class="colLast"> |
| <div class="block">Column group that sparsely encodes the dictionary values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCZeros.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCZeros</a></td> |
| <td class="colLast"> |
| <div class="block">Column group that sparsely encodes the dictionary values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSizes.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSizes</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupUncompressed</a></td> |
| <td class="colLast"> |
| <div class="block">Column group type for columns that are stored as dense arrays of doubles.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></td> |
| <td class="colLast"> |
| <div class="block">Base class for column groups encoded with value dictionary.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/Dictionary.html" title="class in org.apache.sysds.runtime.compress.colgroup">Dictionary</a></td> |
| <td class="colLast"> |
| <div class="block">This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column |
| group.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/QDictionary.html" title="class in org.apache.sysds.runtime.compress.colgroup">QDictionary</a></td> |
| <td class="colLast"> |
| <div class="block">This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column |
| group.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <th class="colFirst" scope="col">Enum</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.ColGroupType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.ColGroupType</a></td> |
| <td class="colLast"> |
| <div class="block">Concrete ColGroupType |
| |
| Protected such that outside the ColGroup package it should be unknown which specific subtype is used.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.CompressionType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.CompressionType</a></td> |
| <td class="colLast"> |
| <div class="block">Public Group types supported |
| |
| Note For instance DDC is called DDC not DDC1, or DDC2 which is a specific subtype of the DDC.</div> |
| </td> |
| </tr> |
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