CompressedSizeEstimatorExact (SystemML 0.14.0 API)

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Summary:
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Field |
Constr |
Method

Detail:
Field |
Constr |
Method

java.lang.Object
- org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator
- - org.apache.sysml.runtime.compress.estim.CompressedSizeEstimatorExact

public class CompressedSizeEstimatorExact
extends CompressedSizeEstimator

Exact compressed size estimator (examines entire dataset).

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator
  CompressedSizeEstimator.SizeEstimationFactors

Field Summary
- Fields inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator
  _data, _numRows

Constructor Summary

Constructors
Constructor and Description

CompressedSizeEstimatorExact(MatrixBlock data)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`CompressedSizeInfo`	`estimateCompressedColGroupSize(int[] colIndexes)`
`CompressedSizeInfo`	`estimateCompressedColGroupSize(UncompressedBitmap ubm)`

Methods inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator
computeSizeEstimationFactors, getDDCSize, getNumRows, getOLESize, getRLESize

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CompressedSizeEstimatorExact
```
public CompressedSizeEstimatorExact(MatrixBlock data)
```
- Method Detail
  - estimateCompressedColGroupSize
```
public CompressedSizeInfo estimateCompressedColGroupSize(int[] colIndexes)
```
    Specified by:
    
    estimateCompressedColGroupSize in class CompressedSizeEstimator
  - estimateCompressedColGroupSize
```
public CompressedSizeInfo estimateCompressedColGroupSize(UncompressedBitmap ubm)
```
    Specified by:
    
    estimateCompressedColGroupSize in class CompressedSizeEstimator