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| <h2 title="Class AColGroupOffset" class="title">Class AColGroupOffset</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li><a href="AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.AColGroup</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="AColGroupCompressed.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.AColGroupCompressed</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="ADictBasedColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.ADictBasedColGroup</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="AColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.AColGroupValue</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="APreAgg.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.APreAgg</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.sysds.runtime.compress.colgroup.AColGroupOffset</li> |
| </ul> |
| </li> |
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| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="ColGroupOLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOLE</a></code>, <code><a href="ColGroupRLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupRLE</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">AColGroupOffset</span> |
| extends <a href="APreAgg.html" title="class in org.apache.sysds.runtime.compress.colgroup">APreAgg</a></pre> |
| <div class="block">Base class for column groups encoded with various types of bitmap encoding. |
| |
| NOTES: * OLE: separate storage segment length and bitmaps led to a 30% improvement but not applied because more |
| difficult to support both data layouts at the same time (distributed/local as well as w/ and w/o low-level opt)</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../serialized-form.html#org.apache.sysds.runtime.compress.colgroup.AColGroupOffset">Serialized Form</a></dd> |
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| <h3>Nested classes/interfaces inherited from class org.apache.sysds.runtime.compress.colgroup.<a href="AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></h3> |
| <code><a href="AColGroup.CompressionType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.CompressionType</a></code></li> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containZerosTuples()">containZerosTuples</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#estimateInMemorySize()">estimateInMemorySize</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Get the upper bound estimate of in memory allocation for the column group.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExactSizeOnDisk()">getExactSizeOnDisk</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the exact serialized size of column group.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static char[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readData(java.io.DataInput)">readData</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataInput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataInput</a> in)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readPointers(java.io.DataInput)">readPointers</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataInput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataInput</a> in)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#write(java.io.DataOutput)">write</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataOutput</a> out)</code></th> |
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| <h3>Methods inherited from class org.apache.sysds.runtime.compress.colgroup.<a href="APreAgg.html" title="class in org.apache.sysds.runtime.compress.colgroup">APreAgg</a></h3> |
| <code><a href="APreAgg.html#getPreAggregateSize()">getPreAggregateSize</a>, <a href="APreAgg.html#leftMultByAColGroup(org.apache.sysds.runtime.compress.colgroup.AColGroup,org.apache.sysds.runtime.matrix.data.MatrixBlock,int)">leftMultByAColGroup</a>, <a href="APreAgg.html#mmWithDictionary(org.apache.sysds.runtime.matrix.data.MatrixBlock,org.apache.sysds.runtime.matrix.data.MatrixBlock,org.apache.sysds.runtime.matrix.data.MatrixBlock,int,int,int)">mmWithDictionary</a>, <a href="APreAgg.html#preAggregate(org.apache.sysds.runtime.matrix.data.MatrixBlock,double%5B%5D,int,int)">preAggregate</a>, <a href="APreAgg.html#preAggregateDense(org.apache.sysds.runtime.matrix.data.MatrixBlock,double%5B%5D,int,int,int,int)">preAggregateDense</a>, <a href="APreAgg.html#preAggregateSparse(org.apache.sysds.runtime.data.SparseBlock,double%5B%5D,int,int)">preAggregateSparse</a>, <a href="APreAgg.html#preAggregateThatIndexStructure(org.apache.sysds.runtime.compress.colgroup.APreAgg)">preAggregateThatIndexStructure</a>, <a href="APreAgg.html#tsmmAColGroup(org.apache.sysds.runtime.compress.colgroup.AColGroup,org.apache.sysds.runtime.matrix.data.MatrixBlock)">tsmmAColGroup</a></code></li> |
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| <h3>Methods inherited from class org.apache.sysds.runtime.compress.colgroup.<a href="AColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroupValue</a></h3> |
| <code><a href="AColGroupValue.html#centralMoment(org.apache.sysds.runtime.matrix.operators.CMOperator,int)">centralMoment</a>, <a href="AColGroupValue.html#computeColSums(double%5B%5D,int)">computeColSums</a>, <a href="AColGroupValue.html#getCounts()">getCounts</a>, <a href="AColGroupValue.html#getNumberNonZeros(int)">getNumberNonZeros</a>, <a href="AColGroupValue.html#getNumValues()">getNumValues</a>, <a href="AColGroupValue.html#replace(double,double)">replace</a>, <a href="AColGroupValue.html#rexpandCols(int,boolean,boolean,int)">rexpandCols</a>, <a href="AColGroupValue.html#toString()">toString</a></code></li> |
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| <h3>Methods inherited from class org.apache.sysds.runtime.compress.colgroup.<a href="ADictBasedColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">ADictBasedColGroup</a></h3> |
| <code><a href="ADictBasedColGroup.html#decompressToDenseBlock(org.apache.sysds.runtime.data.DenseBlock,int,int,int,int)">decompressToDenseBlock</a>, <a href="ADictBasedColGroup.html#decompressToSparseBlock(org.apache.sysds.runtime.data.SparseBlock,int,int,int,int)">decompressToSparseBlock</a>, <a href="ADictBasedColGroup.html#getDictionary()">getDictionary</a>, <a href="ADictBasedColGroup.html#rightMultByMatrix(org.apache.sysds.runtime.matrix.data.MatrixBlock,org.apache.sysds.runtime.compress.colgroup.indexes.IColIndex)">rightMultByMatrix</a></code></li> |
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| <code><a href="AColGroupCompressed.html#getMax()">getMax</a>, <a href="AColGroupCompressed.html#getMin()">getMin</a>, <a href="AColGroupCompressed.html#getSum(int)">getSum</a>, <a href="AColGroupCompressed.html#isEmpty()">isEmpty</a>, <a href="AColGroupCompressed.html#preAggRows(org.apache.sysds.runtime.functionobjects.ValueFunction)">preAggRows</a>, <a href="AColGroupCompressed.html#tsmm(org.apache.sysds.runtime.matrix.data.MatrixBlock,int)">tsmm</a>, <a href="AColGroupCompressed.html#unaryAggregateOperations(org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator,double%5B%5D,int,int,int)">unaryAggregateOperations</a>, <a href="AColGroupCompressed.html#unaryAggregateOperations(org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator,double%5B%5D,int,int,int,double%5B%5D)">unaryAggregateOperations</a></code></li> |
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| <h3>Methods inherited from class org.apache.sysds.runtime.compress.colgroup.<a href="AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></h3> |
| <code><a href="AColGroup.html#append(org.apache.sysds.runtime.compress.colgroup.AColGroup)">append</a>, <a href="AColGroup.html#appendN(org.apache.sysds.runtime.compress.colgroup.AColGroup%5B%5D)">appendN</a>, <a href="AColGroup.html#binaryRowOpLeft(org.apache.sysds.runtime.matrix.operators.BinaryOperator,double%5B%5D,boolean)">binaryRowOpLeft</a>, <a href="AColGroup.html#binaryRowOpRight(org.apache.sysds.runtime.matrix.operators.BinaryOperator,double%5B%5D,boolean)">binaryRowOpRight</a>, <a href="AColGroup.html#colSum(java.util.Collection,double%5B%5D,int)">colSum</a>, <a href="AColGroup.html#containsValue(double)">containsValue</a>, <a href="AColGroup.html#decompressToDenseBlock(org.apache.sysds.runtime.data.DenseBlock,int,int)">decompressToDenseBlock</a>, <a href="AColGroup.html#decompressToSparseBlock(org.apache.sysds.runtime.data.SparseBlock,int,int)">decompressToSparseBlock</a>, <a href="AColGroup.html#get(int,int)">get</a>, <a href="AColGroup.html#getColIndices()">getColIndices</a>, <a href="AColGroup.html#getCompressionScheme()">getCompressionScheme</a>, <a href="AColGroup.html#getCompType()">getCompType</a>, <a href="AColGroup.html#getCost(org.apache.sysds.runtime.compress.cost.ComputationCostEstimator,int)">getCost</a>, <a href="AColGroup.html#getIdx(int,int)">getIdx</a>, <a href="AColGroup.html#getNumCols()">getNumCols</a>, <a href="AColGroup.html#leftMultByMatrixNoPreAgg(org.apache.sysds.runtime.matrix.data.MatrixBlock,org.apache.sysds.runtime.matrix.data.MatrixBlock,int,int,int,int)">leftMultByMatrixNoPreAgg</a>, <a href="AColGroup.html#rightMultByMatrix(org.apache.sysds.runtime.matrix.data.MatrixBlock)">rightMultByMatrix</a>, <a href="AColGroup.html#scalarOperation(org.apache.sysds.runtime.matrix.operators.ScalarOperator)">scalarOperation</a>, <a href="AColGroup.html#shiftColIndices(int)">shiftColIndices</a>, <a href="AColGroup.html#sliceColumn(int)">sliceColumn</a>, <a href="AColGroup.html#sliceColumns(int,int)">sliceColumns</a>, <a href="AColGroup.html#sliceRows(int,int)">sliceRows</a>, <a href="AColGroup.html#unaryOperation(org.apache.sysds.runtime.matrix.operators.UnaryOperator)">unaryOperation</a></code></li> |
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| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="estimateInMemorySize()"> |
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| </a> |
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| <h4>estimateInMemorySize</h4> |
| <pre class="methodSignature">public long estimateInMemorySize()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="AColGroup.html#estimateInMemorySize()">AColGroup</a></code></span></div> |
| <div class="block">Get the upper bound estimate of in memory allocation for the column group.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="AColGroupValue.html#estimateInMemorySize()">estimateInMemorySize</a></code> in class <code><a href="AColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroupValue</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an upper bound on the number of bytes used to store this ColGroup in memory.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="readPointers(java.io.DataInput)"> |
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| <h4>readPointers</h4> |
| <pre class="methodSignature">public static int[] readPointers​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataInput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataInput</a> in) |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code></dd> |
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| <h4>readData</h4> |
| <pre class="methodSignature">public static char[] readData​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataInput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataInput</a> in) |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code></dd> |
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| <h4>write</h4> |
| <pre class="methodSignature">public void write​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink">DataOutput</a> out) |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ADictBasedColGroup.html#write(java.io.DataOutput)">write</a></code> in class <code><a href="ADictBasedColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">ADictBasedColGroup</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code></dd> |
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| <h4>getExactSizeOnDisk</h4> |
| <pre class="methodSignature">public long getExactSizeOnDisk()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="AColGroup.html#getExactSizeOnDisk()">AColGroup</a></code></span></div> |
| <div class="block">Returns the exact serialized size of column group. This can be used for example for buffer preallocation.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ADictBasedColGroup.html#getExactSizeOnDisk()">getExactSizeOnDisk</a></code> in class <code><a href="ADictBasedColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">ADictBasedColGroup</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>exact serialized size for column group</dd> |
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| <h4>containZerosTuples</h4> |
| <pre class="methodSignature">public boolean containZerosTuples()</pre> |
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