public class ColGroupUncompressed extends ColGroup
ColGroup.CompressionType| Modifier and Type | Method and Description | 
|---|---|
| void | countNonZerosPerRow(int[] rnnz,
                   int rl,
                   int ru)Count the number of non-zeros per row | 
| void | decompressToBlock(MatrixBlock target,
                 int colpos)Decompress to block. | 
| void | decompressToBlock(MatrixBlock target,
                 int[] colIndexTargets)Decompress the contents of this column group into uncompressed packed columns | 
| void | decompressToBlock(MatrixBlock target,
                 int rl,
                 int ru)Decompress the contents of this column group into the specified full matrix block. | 
| long | estimateInMemorySize()Note: Must be overridden by child classes to account for additional data and metadata | 
| double | get(int r,
   int c)Get the value at a global row/column position. | 
| ColGroup.CompressionType | getCompType()Obtain the compression type. | 
| MatrixBlock | getData()Access for superclass | 
| long | getExactSizeOnDisk()Returns the exact serialized size of column group. | 
| boolean | getIfCountsType()Returns true if in the getValuesAsBlock method returns values in groups (that needs to be counted) or
 individually potentially repeated values | 
| Iterator<IJV> | getIterator(int rl,
           int ru,
           boolean inclZeros,
           boolean rowMajor)Create a column group iterator for a row index range. | 
| org.apache.sysds.runtime.compress.colgroup.ColGroup.ColGroupRowIterator | getRowIterator(int rl,
              int ru)Create a dense row iterator for a row index range. | 
| double[] | getValues()Get all the values in the colGroup. | 
| MatrixBlock | getValuesAsBlock()Returns the ColGroup as a MatrixBlock. | 
| long | getValuesSize() | 
| boolean | isLossy()Is Lossy | 
| void | leftMultByMatrix(double[] vector,
                double[] c,
                int numVals,
                double[] values,
                int numRows,
                int numCols,
                int rl,
                int ru,
                int vOff)Multiply the slice of the matrix that this column group represents by a row vector on the left (the original
 column vector is assumed to be transposed already i.e. | 
| void | leftMultByMatrix(MatrixBlock matrix,
                MatrixBlock result) | 
| void | leftMultByRowVector(double[] vector,
                   double[] c,
                   int numVals)Multiply the slice of the matrix that this column group represents by a row vector on the left (the original
 column vector is assumed to be transposed already i.e. | 
| void | leftMultByRowVector(double[] vector,
                   double[] c,
                   int numVals,
                   double[] values)Multiply the slice of the matrix that this column group represents by a row vector on the left (the original
 column vector is assumed to be transposed already i.e. | 
| void | readFields(DataInput in)Deserialize column group from data input. | 
| void | rightMultByMatrix(double[] matrix,
                 double[] result,
                 int numVals,
                 double[] values,
                 int rl,
                 int ru,
                 int vOff) | 
| void | rightMultByMatrix(MatrixBlock vector,
                 MatrixBlock result,
                 int rl,
                 int ru) | 
| void | rightMultByVector(double[] b,
                 double[] c,
                 int rl,
                 int ru,
                 double[] dictVals)Multiply the slice of the matrix that this column group represents by a vector on the right. | 
| void | rightMultByVector(MatrixBlock vector,
                 MatrixBlock result,
                 int rl,
                 int ru) | 
| ColGroup | scalarOperation(ScalarOperator op)Perform the specified scalar operation directly on the compressed column group, without decompressing individual
 cells if possible. | 
| String | toString() | 
| void | unaryAggregateOperations(AggregateUnaryOperator op,
                        double[] ret)Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
 matrix. | 
| void | unaryAggregateOperations(AggregateUnaryOperator op,
                        double[] result,
                        int rl,
                        int ru)Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
 matrix. | 
| void | unaryAggregateOperations(AggregateUnaryOperator op,
                        MatrixBlock ret) | 
| void | write(DataOutput out)Serializes column group to data output. | 
getColIndex, getColIndices, getNumCols, getNumRows, shiftColIndicespublic long getValuesSize()
public ColGroup.CompressionType getCompType()
ColGroupgetCompType in class ColGrouppublic MatrixBlock getData()
public long estimateInMemorySize()
ColGroupestimateInMemorySize in class ColGrouppublic void decompressToBlock(MatrixBlock target, int rl, int ru)
ColGroupdecompressToBlock in class ColGrouptarget - a matrix block where the columns covered by this column group have not yet been filled in.rl - row lowerru - row upperpublic void decompressToBlock(MatrixBlock target, int[] colIndexTargets)
ColGroupdecompressToBlock in class ColGrouptarget - a dense matrix block. The block must have enough space to hold the contents of this column
                        group.colIndexTargets - array that maps column indices in the original matrix block to columns of target.public void decompressToBlock(MatrixBlock target, int colpos)
ColGroupdecompressToBlock in class ColGrouptarget - dense output vectorcolpos - column to decompress, error if larger or equal numColspublic double get(int r,
                  int c)
ColGrouppublic void rightMultByVector(double[] b,
                              double[] c,
                              int rl,
                              int ru,
                              double[] dictVals)
ColGrouprightMultByVector in class ColGroupb - vector to multiply by (tall vector)c - accumulator for holding the resultrl - row lowerru - row upper if the internal SystemML code that performs the multiplication experiences an errordictVals - The dictionary values materializedpublic void rightMultByVector(MatrixBlock vector, MatrixBlock result, int rl, int ru)
public void rightMultByMatrix(MatrixBlock vector, MatrixBlock result, int rl, int ru)
public void rightMultByMatrix(double[] matrix,
                              double[] result,
                              int numVals,
                              double[] values,
                              int rl,
                              int ru,
                              int vOff)
rightMultByMatrix in class ColGrouppublic void leftMultByRowVector(double[] vector,
                                double[] c,
                                int numVals)
ColGroupleftMultByRowVector in class ColGroupvector - row vectorc - matrix block resultnumVals - The Number of values contained in the Column.public void leftMultByRowVector(double[] vector,
                                double[] c,
                                int numVals,
                                double[] values)
ColGroupleftMultByRowVector in class ColGroupvector - row vectorc - matrix block resultnumVals - The Number of values contained in the Column.values - The materialized list of values contained in the dictionary.public void leftMultByMatrix(double[] vector,
                             double[] c,
                             int numVals,
                             double[] values,
                             int numRows,
                             int numCols,
                             int rl,
                             int ru,
                             int vOff)
ColGroupleftMultByMatrix in class ColGroupvector - matrix to left multiplyc - matrix block resultnumVals - The Number of values contained in the Column.values - The materialized list of values contained in the dictionary.numRows - The number of rows in the matrix inputnumCols - The number of columns in the colGroups parent matrix.rl - The row to start the matrix multiplication fromru - The row to stop the matrix multiplication at.vOff - The offset into the first argument matrix to start at.public void leftMultByMatrix(MatrixBlock matrix, MatrixBlock result)
public ColGroup scalarOperation(ScalarOperator op)
ColGroupscalarOperation in class ColGroupop - operation to performpublic void unaryAggregateOperations(AggregateUnaryOperator op, double[] ret)
ColGroupunaryAggregateOperations in class ColGroupop - The operator usedret - Rhe output matrix block.public void unaryAggregateOperations(AggregateUnaryOperator op, MatrixBlock ret)
public void unaryAggregateOperations(AggregateUnaryOperator op, double[] result, int rl, int ru)
ColGroupunaryAggregateOperations in class ColGroupop - The operator usedresult - The output matrix block.rl - The Starting Row to do aggregation fromru - The last Row to do aggregation to (not included)public void readFields(DataInput in) throws IOException
ColGroupreadFields in class ColGroupin - data inputIOException - if IOException occurspublic void write(DataOutput out) throws IOException
ColGroupwrite in class ColGroupout - data outputIOException - if IOException occurspublic long getExactSizeOnDisk()
ColGroupgetExactSizeOnDisk in class ColGrouppublic void countNonZerosPerRow(int[] rnnz,
                                int rl,
                                int ru)
ColGroupcountNonZerosPerRow in class ColGrouprnnz - non-zeros per rowrl - row lower bound, inclusiveru - row upper bound, exclusivepublic Iterator<IJV> getIterator(int rl, int ru, boolean inclZeros, boolean rowMajor)
ColGroupgetIterator in class ColGrouprl - row lower index, inclusiveru - row upper index, exclusiveinclZeros - include zero values into scope of iteratorrowMajor - use a row major iteration orderpublic org.apache.sysds.runtime.compress.colgroup.ColGroup.ColGroupRowIterator getRowIterator(int rl,
                                                                                              int ru)
ColGroupgetRowIterator in class ColGrouprl - row lower index, inclusiveru - row upper index, exclusivepublic MatrixBlock getValuesAsBlock()
ColGroupgetValuesAsBlock in class ColGrouppublic boolean getIfCountsType()
ColGroupgetIfCountsType in class ColGrouppublic double[] getValues()
ColGroupCopyright © 2020 The Apache Software Foundation. All rights reserved.