Class CompressionStatistics
- java.lang.Object
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- org.apache.sysds.runtime.compress.CompressionStatistics
 
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 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.
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Field SummaryFields Modifier and Type Field Description doublecompressedCostCost of the compressed representationdoublecompressedInitialCostCompressed cost after compression but before finalizelongcompressedInitialSizeCompression size after compressing but before finalizelongcompressedSizeCompressed sizelongdenseSizeSize if the input is densedoubleestimatedCostCoCodedSummed cost after cocodingdoubleestimatedCostColsSummed cost estimated from individual columnslongestimatedSizeCoCodedEstimated size of compressing after co-codinglongestimatedSizeColsEstimated size of compressing individual columnsdoubleoriginalCostCost calculated by the cost estimator on inputlongoriginalSizeSize of the original input
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Constructor SummaryConstructors Constructor Description CompressionStatistics()
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description Map<String,int[]>getColGroups()doublegetDenseRatio()StringgetGroupsSizesString()StringgetGroupsTypesString()doublegetRatio()StringtoString()
 
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Field Detail- 
originalSizepublic long originalSize Size of the original input
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denseSizepublic long denseSize Size if the input is dense
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estimatedSizeColspublic long estimatedSizeCols Estimated size of compressing individual columns
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estimatedSizeCoCodedpublic long estimatedSizeCoCoded Estimated size of compressing after co-coding
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compressedInitialSizepublic long compressedInitialSize Compression size after compressing but before finalize
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compressedSizepublic long compressedSize Compressed size
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originalCostpublic double originalCost Cost calculated by the cost estimator on input
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estimatedCostColspublic double estimatedCostCols Summed cost estimated from individual columns
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estimatedCostCoCodedpublic double estimatedCostCoCoded Summed cost after cocoding
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compressedInitialCostpublic double compressedInitialCost Compressed cost after compression but before finalize
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compressedCostpublic double compressedCost Cost of the compressed representation
 
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