Uses of Class
org.apache.sysds.runtime.compress.CompressedMatrixBlock

Packages that use CompressedMatrixBlock

Package	Description
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.compress.colgroup.scheme
org.apache.sysds.runtime.compress.cost
org.apache.sysds.runtime.compress.estim
org.apache.sysds.runtime.compress.lib
org.apache.sysds.runtime.compress.plan

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress

Methods in org.apache.sysds.runtime.compress that return CompressedMatrixBlock

Modifier and Type	Method	Description
static CompressedMatrixBlock	CompressedMatrixBlockFactory.createConstant(int numRows, int numCols, double value)	Method for constructing a compressed matrix out of an constant input.
static CompressedMatrixBlock	CompressedMatrixBlockFactory.genUncompressedCompressedMatrixBlock(MatrixBlock mb)	Generate a CompressedMatrixBlock Object that contains a single uncompressed matrix block column group.
static CompressedMatrixBlock	CompressedMatrixBlock.read(DataInput in)
CompressedMatrixBlock	CompressedMatrixBlock.squash(int k)

Constructors in org.apache.sysds.runtime.compress with parameters of type CompressedMatrixBlock

Modifier	Constructor	Description
	CompressedMatrixBlock(CompressedMatrixBlock that)	Copy constructor taking that CompressedMatrixBlock and populate this new compressedMatrixBlock with pointers to the same columnGroups.

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.colgroup.scheme

Methods in org.apache.sysds.runtime.compress.colgroup.scheme that return CompressedMatrixBlock

Modifier and Type	Method	Description
CompressedMatrixBlock	CompressionScheme.encode(MatrixBlock mb)	Encode the given matrix block, it is assumed that the given MatrixBlock already fit the current scheme.
CompressedMatrixBlock	CompressionScheme.encode(MatrixBlock mb, int k)	Encode the given matrix block, it is assumed that the given MatrixBlock already fit the current scheme.
CompressedMatrixBlock	CompressionScheme.updateAndEncode(MatrixBlock mb)
CompressedMatrixBlock	CompressionScheme.updateAndEncode(MatrixBlock mb, int k)

Methods in org.apache.sysds.runtime.compress.colgroup.scheme with parameters of type CompressedMatrixBlock

Modifier and Type	Method	Description
static CompressionScheme	CompressionScheme.getScheme(CompressedMatrixBlock cmb)	Extract a compression scheme for the given matrix block

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.cost

Methods in org.apache.sysds.runtime.compress.cost with parameters of type CompressedMatrixBlock

Modifier and Type	Method	Description
double	ACostEstimate.getCost(CompressedMatrixBlock cmb)	Get cost of a compressed matrix block

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.estim

Constructors in org.apache.sysds.runtime.compress.estim with parameters of type CompressedMatrixBlock

Modifier	Constructor	Description
	ComEstCompressedSample(CompressedMatrixBlock sample, CompressionSettings cs, CompressedMatrixBlock full, int k)

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.lib

Methods in org.apache.sysds.runtime.compress.lib that return CompressedMatrixBlock

Modifier and Type	Method	Description
static CompressedMatrixBlock	CLALibSlice.sliceColumns(CompressedMatrixBlock cmb, int cl, int cu)
static CompressedMatrixBlock	CLALibSquash.squash(CompressedMatrixBlock m, int k)	Squash or recompress is process each column group in the given Compressed Matrix Block and tries to recompress each column.

Methods in org.apache.sysds.runtime.compress.lib with parameters of type CompressedMatrixBlock

Modifier and Type	Method	Description
static MatrixBlock	CLALibCompAgg.aggregateUnary(CompressedMatrixBlock inputMatrix, MatrixBlock result, AggregateUnaryOperator op, int blen, MatrixIndexes indexesIn, boolean inCP)
static MatrixBlock	CLALibBinaryCellOp.binaryOperationsLeft(BinaryOperator op, CompressedMatrixBlock m1, MatrixBlock that)
static MatrixBlock	CLALibBinaryCellOp.binaryOperationsRight(BinaryOperator op, CompressedMatrixBlock m1, MatrixBlock that)
static CmCovObject	CLALibCMOps.centralMoment(CompressedMatrixBlock cmb, CMOperator op)
static List<AColGroup>	CLALibCombineGroups.combine(CompressedMatrixBlock cmb, CompressedSizeInfo csi, ExecutorService pool, int k)
static void	CLALibUtils.combineConstColumns(CompressedMatrixBlock in)	Combine all column groups that are constant types, this include empty and const.
static MatrixBlock	CLALibDecompress.decompress(CompressedMatrixBlock cmb, int k)
static void	CLALibDecompress.decompressTo(CompressedMatrixBlock cmb, MatrixBlock ret, int rowOffset, int colOffset, int k, boolean countNNz)
static void	CLALibDecompress.decompressTo(CompressedMatrixBlock cmb, MatrixBlock ret, int rowOffset, int colOffset, int k, boolean countNNz, boolean reset)
static CompressionScheme	CLALibScheme.getScheme(CompressedMatrixBlock cmb)
static MatrixBlock	CLALibLeftMultBy.leftMultByMatrix(CompressedMatrixBlock right, MatrixBlock left, MatrixBlock ret, int k)	Left multiplication with two CompressedMatrixBlock following the equation: ret = left %*% right
static MatrixBlock	CLALibLeftMultBy.leftMultByMatrixTransposed(CompressedMatrixBlock right, CompressedMatrixBlock left, MatrixBlock ret, int k)	Left multiplication with two CompressedMatrixBlock following the equation:
static MatrixBlock	CLALibLeftMultBy.leftMultByMatrixTransposed(CompressedMatrixBlock right, MatrixBlock left, MatrixBlock ret, int k)	Left multiplication with a CompressedMatrixBlock on the right following the equation:
static MatrixBlock	CLALibTSMM.leftMultByTransposeSelf(CompressedMatrixBlock cmb, int k)
static MatrixBlock	CLALibTSMM.leftMultByTransposeSelf(CompressedMatrixBlock cmb, MatrixBlock ret, int k)	Self left Matrix multiplication (tsmm) t(x) %*% x
static MatrixBlock	CLALibSelectionMult.leftSelection(CompressedMatrixBlock right, MatrixBlock left, MatrixBlock ret, int k)	Left selection where the left matrix is sparse with a max 1 non zero per row and that non zero is a 1.
static MatrixBlock	CLALibMMChain.mmChain(CompressedMatrixBlock x, MatrixBlock v, MatrixBlock w, MatrixBlock out, MapMultChain.ChainType ctype, int k)	Support compressed MM chain operation to fuse the following cases :
static MatrixBlock	CLALibReorg.reorg(CompressedMatrixBlock cmb, ReorgOperator op, MatrixBlock ret, int startRow, int startColumn, int length)
static MatrixBlock	CLALibReplace.replace(CompressedMatrixBlock in, MatrixBlock out, double pattern, double replacement, int k)
static MatrixBlock	CLALibReshape.reshape(CompressedMatrixBlock in, int rows, int cols, boolean rowwise)
static MatrixBlock	CLALibReshape.reshape(CompressedMatrixBlock in, int rows, int cols, boolean rowwise, int k)
static MatrixBlock	CLALibRexpand.rexpand(CompressedMatrixBlock in, MatrixBlock ret, double max, boolean rows, boolean cast, boolean ignore, int k)
static MatrixBlock	CLALibRightMultBy.rightMultByMatrix(CompressedMatrixBlock m1, MatrixBlock m2, MatrixBlock ret, int k)
static MatrixBlock	CLALibRightMultBy.rightMultByMatrix(CompressedMatrixBlock m1, MatrixBlock m2, MatrixBlock ret, int k, boolean allowOverlap)
static MatrixBlock	CLALibRemoveEmpty.rmempty(CompressedMatrixBlock in, MatrixBlock ret, boolean rows, boolean emptyReturn, MatrixBlock select)	CP rmempty operation (single input, single output matrix)
static MatrixBlock	CLALibScalar.scalarOperations(ScalarOperator sop, CompressedMatrixBlock m1, MatrixValue result)
static MatrixBlock	CLALibSlice.slice(CompressedMatrixBlock cmb, int rl, int ru, int cl, int cu, boolean deep)
static List<MatrixBlock>	CLALibSlice.sliceBlocks(CompressedMatrixBlock cmb, int blen, int k)	Slice blocks of compressed matrices from the compressed representation.
static CompressedMatrixBlock	CLALibSlice.sliceColumns(CompressedMatrixBlock cmb, int cl, int cu)
static MatrixBlock	CLALibSlice.sliceRowsCompressed(CompressedMatrixBlock cmb, int rl, int ru)
static MatrixBlock	CLALibSort.sort(CompressedMatrixBlock mb, SortIndex fn)	Sort (order) a compressed matrix in place of the order built-in, while keeping the result compressed.
static MatrixBlock	CLALibSort.sort(CompressedMatrixBlock mb, MatrixValue weights, MatrixBlock result, int k)	Compute the sorted value/weight table used by the quantile/median/IQM operations (the sort / qsort lop), exploiting compression to sort the few distinct values instead of all rows.
static CompressedMatrixBlock	CLALibSquash.squash(CompressedMatrixBlock m, int k)	Squash or recompress is process each column group in the given Compressed Matrix Block and tries to recompress each column.
static MatrixBlock	CLALibUnary.unaryOperations(CompressedMatrixBlock m, UnaryOperator op, MatrixValue result)

Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.plan

Methods in org.apache.sysds.runtime.compress.plan that return CompressedMatrixBlock

Modifier and Type	Method	Description
CompressedMatrixBlock	IPlanEncode.encode(MatrixBlock in)	Encode a given matrix block subject to the plan given, while erroring out in case of breaking compression
CompressedMatrixBlock	NaivePlanEncode.encode(MatrixBlock in)