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<div class="subTitle">org.apache.sysds.runtime.controlprogram.paramserv</div>
<h2 title="Class ParamservUtils" class="title">Class ParamservUtils</h2>
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<pre>public class <span class="typeNameLabel">ParamservUtils</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#PS_FUNC_PREFIX">PS_FUNC_PREFIX</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#SEED">SEED</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#ParamservUtils--">ParamservUtils</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#accrueGradients-org.apache.sysds.runtime.instructions.cp.ListObject-org.apache.sysds.runtime.instructions.cp.ListObject-boolean-">accrueGradients</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accGradients,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;gradients,
boolean&nbsp;cleanup)</code>
<div class="block">Accumulate the given gradients into the accrued gradients</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#accrueGradients-org.apache.sysds.runtime.instructions.cp.ListObject-org.apache.sysds.runtime.instructions.cp.ListObject-boolean-boolean-">accrueGradients</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accGradients,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;gradients,
boolean&nbsp;par,
boolean&nbsp;cleanup)</code>
<div class="block">Accumulate the given gradients into the accrued gradients</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static org.apache.spark.api.java.JavaPairRDD&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,scala.Tuple2&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#assembleTrainingData-org.apache.spark.api.java.JavaPairRDD-org.apache.spark.api.java.JavaPairRDD-">assembleTrainingData</a></span>(org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;featuresRDD,
org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;labelsRDD)</code>
<div class="block">Assemble the matrix of features and labels according to the rowID</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cbindMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">cbindMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;left,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;right)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupData-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.cp.Data-">cleanupData</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/Data.html" title="class in org.apache.sysds.runtime.instructions.cp">Data</a>&nbsp;data)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupData-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-java.lang.String-">cleanupData</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;varName)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupListObject-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.cp.ListObject-">cleanupListObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupListObject-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.cp.ListObject-boolean:A-">cleanupListObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo,
boolean[]&nbsp;status)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupListObject-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-java.lang.String-">cleanupListObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lName)</code>
<div class="block">Clean up the list object according to its own data status</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupListObject-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-java.lang.String-boolean:A-">cleanupListObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lName,
boolean[]&nbsp;status)</code>
<div class="block">Clean up the list object according to the given array of data status (i.e., false =&gt; not be removed)</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#cleanupListObject-org.apache.sysds.runtime.instructions.cp.ListObject-">cleanupListObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#copyExecutionContext-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-int-">copyExecutionContext</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
int&nbsp;num)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#copyList-org.apache.sysds.runtime.instructions.cp.ListObject-boolean-">copyList</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo,
boolean&nbsp;cleanup)</code>
<div class="block">Deep copy the list object</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#createExecutionContext-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.controlprogram.LocalVariableMap-java.lang.String-java.lang.String-int-">createExecutionContext</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/LocalVariableMap.html" title="class in org.apache.sysds.runtime.controlprogram">LocalVariableMap</a>&nbsp;varsMap,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;updFunc,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;aggFunc,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#createExecutionContext-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.controlprogram.LocalVariableMap-java.lang.String-java.lang.String-int-boolean-">createExecutionContext</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/LocalVariableMap.html" title="class in org.apache.sysds.runtime.controlprogram">LocalVariableMap</a>&nbsp;varsMap,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;updFunc,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;aggFunc,
int&nbsp;k,
boolean&nbsp;forceExecTypeCP)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#createShallowCopy-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-">createShallowCopy</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;mo)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static org.apache.spark.api.java.JavaPairRDD&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,scala.Tuple2&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#doPartitionOnSpark-org.apache.sysds.runtime.controlprogram.context.SparkExecutionContext-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.parser.Statement.PSScheme-int-">doPartitionOnSpark</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/SparkExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">SparkExecutionContext</a>&nbsp;sec,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;features,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;labels,
<a href="../../../../../../org/apache/sysds/parser/Statement.PSScheme.html" title="enum in org.apache.sysds.parser">Statement.PSScheme</a>&nbsp;scheme,
int&nbsp;workerNum)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#generatePermutation-int-long-">generatePermutation</a></span>(int&nbsp;numEntries,
long&nbsp;seed)</code>
<div class="block">Generate the permutation</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#generateReplicationMatrix-int-int-long-">generateReplicationMatrix</a></span>(int&nbsp;nsamples,
int&nbsp;nrows,
long&nbsp;seed)</code>
<div class="block">Generates a matrix which when left multiplied with the input matrix will replicate n data rows</div>
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<tr id="i19" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#generateSubsampleMatrix-int-int-long-">generateSubsampleMatrix</a></span>(int&nbsp;nsamples,
int&nbsp;nrows,
long&nbsp;seed)</code>
<div class="block">Generates a matrix which when left multiplied with the input matrix will subsample</div>
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<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#newMatrixObject-org.apache.sysds.runtime.matrix.data.MatrixBlock-">newMatrixObject</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mb)</code>&nbsp;</td>
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<tr id="i21" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a></code></td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#recompileProgramBlocks-int-java.util.List-">recompileProgramBlocks</a></span>(int&nbsp;k,
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#recompileProgramBlocks-int-java.util.List-boolean-">recompileProgramBlocks</a></span>(int&nbsp;k,
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boolean&nbsp;forceExecTypeCP)</code>&nbsp;</td>
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<tr id="i24" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#sliceMatrix-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-long-long-">sliceMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;mo,
long&nbsp;rl,
long&nbsp;rh)</code>
<div class="block">Slice the matrix</div>
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<tr id="i25" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/paramserv/ParamservUtils.html#sliceMatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-long-long-">sliceMatrixBlock</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mb,
long&nbsp;rl,
long&nbsp;rh)</code>
<div class="block">Slice the matrix block and return a matrix block
(used in spark)</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.sysds.runtime.controlprogram.paramserv.ParamservUtils.PS_FUNC_PREFIX">Constant Field Values</a></dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;copyList(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo,
boolean&nbsp;cleanup)</pre>
<div class="block">Deep copy the list object</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>lo</code> - list object</dd>
<dd><code>cleanup</code> - clean up the given list object</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a new copied list object</dd>
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<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lName)</pre>
<div class="block">Clean up the list object according to its own data status</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ec</code> - execution context</dd>
<dd><code>lName</code> - list var name</dd>
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<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lName,
boolean[]&nbsp;status)</pre>
<div class="block">Clean up the list object according to the given array of data status (i.e., false =&gt; not be removed)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ec</code> - execution context</dd>
<dd><code>lName</code> - list var name</dd>
<dd><code>status</code> - data status</dd>
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<pre>public static&nbsp;void&nbsp;cleanupListObject(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo)</pre>
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<pre>public static&nbsp;void&nbsp;cleanupListObject(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo,
boolean[]&nbsp;status)</pre>
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<pre>public static&nbsp;void&nbsp;cleanupData(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
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<pre>public static&nbsp;void&nbsp;cleanupData(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;varName)</pre>
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<pre>public static&nbsp;void&nbsp;cleanupListObject(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;lo)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;newMatrixObject(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mb)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;newMatrixObject(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mb,
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;createShallowCopy(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;mo)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;sliceMatrix(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;mo,
long&nbsp;rl,
long&nbsp;rh)</pre>
<div class="block">Slice the matrix</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mo</code> - input matrix</dd>
<dd><code>rl</code> - low boundary</dd>
<dd><code>rh</code> - high boundary</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new sliced matrix</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;sliceMatrixBlock(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mb,
long&nbsp;rl,
long&nbsp;rh)</pre>
<div class="block">Slice the matrix block and return a matrix block
(used in spark)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mb</code> - input matrix</dd>
<dd><code>rl</code> - low boundary</dd>
<dd><code>rh</code> - high boundary</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new sliced matrix block</dd>
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<h4>generatePermutation</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;generatePermutation(int&nbsp;numEntries,
long&nbsp;seed)</pre>
<div class="block">Generate the permutation</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numEntries</code> - permutation size</dd>
<dd><code>seed</code> - seed used to generate random number</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>permutation matrix</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;generateSubsampleMatrix(int&nbsp;nsamples,
int&nbsp;nrows,
long&nbsp;seed)</pre>
<div class="block">Generates a matrix which when left multiplied with the input matrix will subsample</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nsamples</code> - number of samples</dd>
<dd><code>nrows</code> - number of rows in input matrix</dd>
<dd><code>seed</code> - seed used to generate random number</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>subsample matrix</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;generateReplicationMatrix(int&nbsp;nsamples,
int&nbsp;nrows,
long&nbsp;seed)</pre>
<div class="block">Generates a matrix which when left multiplied with the input matrix will replicate n data rows</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nsamples</code> - number of samples</dd>
<dd><code>nrows</code> - number of rows in input matrix</dd>
<dd><code>seed</code> - seed used to generate random number</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>replication matrix</dd>
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<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;aggFunc,
int&nbsp;k)</pre>
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<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;updFunc,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;aggFunc,
int&nbsp;k,
boolean&nbsp;forceExecTypeCP)</pre>
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<h4>recompileProgramBlocks</h4>
<pre>public static&nbsp;void&nbsp;recompileProgramBlocks(int&nbsp;k,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/ProgramBlock.html" title="class in org.apache.sysds.runtime.controlprogram">ProgramBlock</a>&gt;&nbsp;pbs)</pre>
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<pre>public static&nbsp;void&nbsp;recompileProgramBlocks(int&nbsp;k,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/ProgramBlock.html" title="class in org.apache.sysds.runtime.controlprogram">ProgramBlock</a>&gt;&nbsp;pbs,
boolean&nbsp;forceExecTypeCP)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;cbindMatrix(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;left,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;right)</pre>
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<h4>assembleTrainingData</h4>
<pre>public static&nbsp;org.apache.spark.api.java.JavaPairRDD&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,scala.Tuple2&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&gt;&nbsp;assembleTrainingData(org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;featuresRDD,
org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;labelsRDD)</pre>
<div class="block">Assemble the matrix of features and labels according to the rowID</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>featuresRDD</code> - indexed features matrix block</dd>
<dd><code>labelsRDD</code> - indexed labels matrix block</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Assembled rdd with rowID as key while matrix of features and labels as value (rowID -&gt; features, labels)</dd>
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<pre>public static&nbsp;org.apache.spark.api.java.JavaPairRDD&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,scala.Tuple2&lt;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>,<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&gt;&nbsp;doPartitionOnSpark(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/SparkExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">SparkExecutionContext</a>&nbsp;sec,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;features,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;labels,
<a href="../../../../../../org/apache/sysds/parser/Statement.PSScheme.html" title="enum in org.apache.sysds.parser">Statement.PSScheme</a>&nbsp;scheme,
int&nbsp;workerNum)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accrueGradients(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accGradients,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;gradients,
boolean&nbsp;cleanup)</pre>
<div class="block">Accumulate the given gradients into the accrued gradients</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>accGradients</code> - accrued gradients list object</dd>
<dd><code>gradients</code> - given gradients list object</dd>
<dd><code>cleanup</code> - clean up the given gradients list object</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new accrued gradients list object</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accrueGradients(<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;accGradients,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/ListObject.html" title="class in org.apache.sysds.runtime.instructions.cp">ListObject</a>&nbsp;gradients,
boolean&nbsp;par,
boolean&nbsp;cleanup)</pre>
<div class="block">Accumulate the given gradients into the accrued gradients</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>accGradients</code> - accrued gradients list object</dd>
<dd><code>gradients</code> - given gradients list object</dd>
<dd><code>par</code> - parallel execution</dd>
<dd><code>cleanup</code> - clean up the given gradients list object</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new accrued gradients list object</dd>
</dl>
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