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| <h1 title="Package" class="title">Package org.apache.sysds.hops.estim</h1> |
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| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimationUtils.html" title="class in org.apache.sysds.hops.estim">EstimationUtils</a></td> |
| <td class="colLast"> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBasicAvg.html" title="class in org.apache.sysds.hops.estim">EstimatorBasicAvg</a></td> |
| <td class="colLast"> |
| <div class="block">Basic average case estimator for matrix sparsity: |
| sp = 1 - Math.pow(1-sp1*sp2, k)</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBasicWorst.html" title="class in org.apache.sysds.hops.estim">EstimatorBasicWorst</a></td> |
| <td class="colLast"> |
| <div class="block">Basic average case estimator for matrix sparsity: |
| sp = Math.min(1, sp1 * k) * Math.min(1, sp2 * k).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBitsetMM.html" title="class in org.apache.sysds.hops.estim">EstimatorBitsetMM</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements a naive but rather common approach of boolean matrix |
| multiplies which allows to infer the exact non-zero structure and thus is |
| also useful for sparse result preallocation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBitsetMM.BitsetMatrix.html" title="class in org.apache.sysds.hops.estim">EstimatorBitsetMM.BitsetMatrix</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBitsetMM.BitsetMatrix1.html" title="class in org.apache.sysds.hops.estim">EstimatorBitsetMM.BitsetMatrix1</a></td> |
| <td class="colLast"> |
| <div class="block">This class represents a boolean matrix and provides key operations.</div> |
| </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorBitsetMM.BitsetMatrix2.html" title="class in org.apache.sysds.hops.estim">EstimatorBitsetMM.BitsetMatrix2</a></td> |
| <td class="colLast"> </td> |
| </tr> |
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| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorDensityMap.html" title="class in org.apache.sysds.hops.estim">EstimatorDensityMap</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements an approach called density maps, as introduced in |
| David Kernert, Frank Köhler, Wolfgang Lehner: SpMacho - Optimizing Sparse |
| Linear Algebra Expressions with Probabilistic Density Estimation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorDensityMap.DensityMap.html" title="class in org.apache.sysds.hops.estim">EstimatorDensityMap.DensityMap</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorLayeredGraph.html" title="class in org.apache.sysds.hops.estim">EstimatorLayeredGraph</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements an approach based on a so-called layered graph, |
| introduced in |
| Edith Cohen.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorLayeredGraph.LayeredGraph.html" title="class in org.apache.sysds.hops.estim">EstimatorLayeredGraph.LayeredGraph</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorMatrixHistogram.html" title="class in org.apache.sysds.hops.estim">EstimatorMatrixHistogram</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements a remarkably simple yet effective |
| approach for incorporating structural properties into sparsity |
| estimation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorMatrixHistogram.MatrixHistogram.html" title="class in org.apache.sysds.hops.estim">EstimatorMatrixHistogram.MatrixHistogram</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorSample.html" title="class in org.apache.sysds.hops.estim">EstimatorSample</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements an approach based on row/column sampling |
| Yongyang Yu, MingJie Tang, Walid G.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/EstimatorSampleRa.html" title="class in org.apache.sysds.hops.estim">EstimatorSampleRa</a></td> |
| <td class="colLast"> |
| <div class="block">This estimator implements an approach based on row/column sampling |
| |
| Rasmus Resen Amossen, Andrea Campagna, Rasmus Pagh: |
| Better Size Estimation for Sparse Matrix Products.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/MMNode.html" title="class in org.apache.sysds.hops.estim">MMNode</a></td> |
| <td class="colLast"> |
| <div class="block">Helper class to represent matrix multiply operators in a DAG |
| along with references to its abstract data handles.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/SparsityEstimator.html" title="class in org.apache.sysds.hops.estim">SparsityEstimator</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/estim/SparsityEstimator.OpCode.html" title="enum in org.apache.sysds.hops.estim">SparsityEstimator.OpCode</a></td> |
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