Package org.apache.sysds.runtime.compress

Class CompressionStatistics

java.lang.Object

org.apache.sysds.runtime.compress.CompressionStatistics

public class CompressionStatistics
extends Object

Compression Statistics contain the main information gathered from the compression, such as sizes of the original matrix, vs the compressed representation at different stages of the compression.

Field Summary

Fields

Modifier and Type	Field	Description
double	compressedCost	Cost of the compressed representation
double	compressedInitialCost	Compressed cost after compression but before finalize
long	compressedInitialSize	Compression size after compressing but before finalize
long	compressedSize	Compressed size
long	denseSize	Size if the input is dense
double	estimatedCostCoCoded	Summed cost after cocoding
double	estimatedCostCols	Summed cost estimated from individual columns
long	estimatedSizeCoCoded	Estimated size of compressing after co-coding
long	estimatedSizeCols	Estimated size of compressing individual columns
double	originalCost	Cost calculated by the cost estimator on input
long	originalSize	Size of the original input

Constructor Summary

Constructors

Constructor	Description
CompressionStatistics()

Method Summary

Modifier and Type	Method	Description
Map<String,int[]>	getColGroups()
double	getDenseRatio()
String	getGroupsSizesString()
String	getGroupsTypesString()
double	getRatio()
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

originalSize

public long originalSize

Size of the original input

denseSize

public long denseSize

Size if the input is dense

estimatedSizeCols

public long estimatedSizeCols

Estimated size of compressing individual columns

estimatedSizeCoCoded

public long estimatedSizeCoCoded

Estimated size of compressing after co-coding

compressedInitialSize

public long compressedInitialSize

Compression size after compressing but before finalize

compressedSize

public long compressedSize

Compressed size

originalCost

public double originalCost

Cost calculated by the cost estimator on input

estimatedCostCols

public double estimatedCostCols

Summed cost estimated from individual columns

estimatedCostCoCoded

public double estimatedCostCoCoded

Summed cost after cocoding

compressedInitialCost

public double compressedInitialCost

Compressed cost after compression but before finalize

compressedCost

public double compressedCost

Cost of the compressed representation

Constructor Detail

CompressionStatistics

public CompressionStatistics()

Method Detail

getColGroups

public Map<String,int[]> getColGroups()

getGroupsTypesString

public String getGroupsTypesString()

getGroupsSizesString

public String getGroupsSizesString()

getRatio

public double getRatio()

getDenseRatio

public double getDenseRatio()

toString

public String toString()

Overrides:

toString in class Object