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 <div class="subTitle">org.apache.sysds.utils</div>
 <h2 title="Class Statistics" class="title">Class Statistics</h2>
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 <pre>public class <span class="typeNameLabel">Statistics</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>
 <div class="block">This class captures all statistics.</div>
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 <h3>Field Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#allocateDoubleArrTime">allocateDoubleArrTime</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#allowWorkerStatistics">allowWorkerStatistics</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#examSparsityTime">examSparsityTime</a></span></code>&nbsp;</td>
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 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#nativeConv2dBwdDataTime">nativeConv2dBwdDataTime</a></span></code>&nbsp;</td>
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 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#nativeConv2dBwdFilterTime">nativeConv2dBwdFilterTime</a></span></code>&nbsp;</td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a></code></td>
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 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a></code></td>
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 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a></code></td>
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 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/LongAdder.html?is-external=true" title="class or interface in java.util.concurrent.atomic">LongAdder</a></code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <h3>Constructor Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#Statistics--">Statistics</a></span>()</code>&nbsp;</td>
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 <th class="colFirst" scope="col">Modifier and Type</th>
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 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accFedPSCommunicationTime-long-">accFedPSCommunicationTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accFedPSDataPartitioningTime-long-">accFedPSDataPartitioningTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i2" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accFedPSGradientWeightingTime-long-">accFedPSGradientWeightingTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accFedPSWorkerComputing-long-">accFedPSWorkerComputing</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSAggregationTime-long-">accPSAggregationTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSBatchIndexingTime-long-">accPSBatchIndexingTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSExecutionTime-long-">accPSExecutionTime</a></span>(long&nbsp;n)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSGradientComputeTime-long-">accPSGradientComputeTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSLocalModelUpdateTime-long-">accPSLocalModelUpdateTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSModelBroadcastTime-long-">accPSModelBroadcastTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <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/utils/Statistics.html#accPSRpcRequestTime-long-">accPSRpcRequestTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accPSSetupTime-long-">accPSSetupTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i12" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accPSValidationTime-long-">accPSValidationTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accSparkBroadCastTime-long-">accSparkBroadCastTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accSparkCollectTime-long-">accSparkCollectTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#accSparkParallelizeTime-long-">accSparkParallelizeTime</a></span>(long&nbsp;t)</code>&nbsp;</td>
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 <tr id="i16" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#addCPMemObject-int-double-">addCPMemObject</a></span>(int&nbsp;hash,
               double&nbsp;sizeof)</code>&nbsp;</td>
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 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#createdSparkContext--">createdSparkContext</a></span>()</code>&nbsp;</td>
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 <tr id="i18" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#decrementNoOfExecutedSPInst--">decrementNoOfExecutedSPInst</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i19" class="rowColor">
 <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/utils/Statistics.html#display--">display</a></span>()</code>
 <div class="block">Returns statistics of the DML program that was recently completed as a string</div>
 </td>
 </tr>
 <tr id="i20" class="altColor">
 <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/utils/Statistics.html#display-int-">display</a></span>(int&nbsp;maxHeavyHitters)</code>
 <div class="block">Returns statistics as a string</div>
 </td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenClassCompile--">getCodegenClassCompile</a></span>()</code>&nbsp;</td>
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 <tr id="i22" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenClassCompileTime--">getCodegenClassCompileTime</a></span>()</code>&nbsp;</td>
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 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenCompileTime--">getCodegenCompileTime</a></span>()</code>&nbsp;</td>
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 <tr id="i24" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenCPlanCompile--">getCodegenCPlanCompile</a></span>()</code>&nbsp;</td>
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 <tr id="i25" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenDAGCompile--">getCodegenDAGCompile</a></span>()</code>&nbsp;</td>
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 <tr id="i26" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenEnumAll--">getCodegenEnumAll</a></span>()</code>&nbsp;</td>
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 <tr id="i27" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenEnumAllP--">getCodegenEnumAllP</a></span>()</code>&nbsp;</td>
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 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#getCodegenEnumEval--">getCodegenEnumEval</a></span>()</code>&nbsp;</td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static double</code></td>
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 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#incFederated-org.apache.sysds.runtime.controlprogram.federated.FederatedRequest.RequestType-">incFederated</a></span>(<a href="../../../../org/apache/sysds/runtime/controlprogram/federated/FederatedRequest.RequestType.html" title="enum in org.apache.sysds.runtime.controlprogram.federated">FederatedRequest.RequestType</a>&nbsp;rqt)</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementCodegenOpCacheTotal--">incrementCodegenOpCacheTotal</a></span>()</code>&nbsp;</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/utils/Statistics.html#incrementCodegenPlanCacheHits--">incrementCodegenPlanCacheHits</a></span>()</code>&nbsp;</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/utils/Statistics.html#incrementCodegenPlanCacheTotal--">incrementCodegenPlanCacheTotal</a></span>()</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementFunRecompileTime-long-">incrementFunRecompileTime</a></span>(long&nbsp;delta)</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementHOPRecompileSB--">incrementHOPRecompileSB</a></span>()</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementJVMgcTime-long-">incrementJVMgcTime</a></span>(long&nbsp;time)</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementParForMergeTime-long-">incrementParForMergeTime</a></span>(long&nbsp;time)</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementParForOptimTime-long-">incrementParForOptimTime</a></span>(long&nbsp;time)</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</code></td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#incrementTotalUIPVar--">incrementTotalUIPVar</a></span>()</code>&nbsp;</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/utils/Statistics.html#incSparkBroadcastCount-long-">incSparkBroadcastCount</a></span>(long&nbsp;c)</code>&nbsp;</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/utils/Statistics.html#incSparkCollectCount-long-">incSparkCollectCount</a></span>(long&nbsp;c)</code>&nbsp;</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/utils/Statistics.html#incSparkParallelizeCount-long-">incSparkParallelizeCount</a></span>(long&nbsp;c)</code>&nbsp;</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/utils/Statistics.html#incWorkerNumber--">incWorkerNumber</a></span>()</code>&nbsp;</td>
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 <td class="colFirst"><code>static void</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/utils/Statistics.html#maintainCPFuncCallStats-java.lang.String-">maintainCPFuncCallStats</a></span>(<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;instName)</code>&nbsp;</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/utils/Statistics.html#maintainCPHeavyHitters-java.lang.String-long-">maintainCPHeavyHitters</a></span>(<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;instName,
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 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/Statistics.html#maintainCPHeavyHittersMem-java.lang.String-double-">maintainCPHeavyHittersMem</a></span>(<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;name,
                          double&nbsp;sizeof)</code>
 <div class="block">Helper method which keeps track of the heaviest weight objects (by total memory used)
  throughout execution of the program.</div>
 </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/utils/Statistics.html#removeCPMemObject-int-">removeCPMemObject</a></span>(int&nbsp;hash)</code>
 <div class="block">Helper method to remove a memory object which has become unpinned</div>
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