Package org.apache.sysds.runtime.data

Class BasicTensorBlock

java.lang.Object

org.apache.sysds.runtime.data.BasicTensorBlock

All Implemented Interfaces:

Serializable

public class BasicTensorBlock
extends Object
implements Serializable

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final SparseBlock.Type	DEFAULT_SPARSEBLOCK
static final double	SPARSITY_TURN_POINT

Constructor Summary

Constructors

Constructor	Description
BasicTensorBlock()
BasicTensorBlock(double val)
BasicTensorBlock(int[] dims, Types.ValueType vt, double val)
BasicTensorBlock(Types.ValueType vt, int[] dims)
BasicTensorBlock(Types.ValueType vt, int[] dims, boolean sp)
BasicTensorBlock(Types.ValueType vt, int[] dims, boolean sp, long estnnz)
BasicTensorBlock(BasicTensorBlock that)

Method Summary

Modifier and Type	Method	Description
BasicTensorBlock	aggregateUnaryOperations(AggregateUnaryOperator op, BasicTensorBlock result)	Aggregate a unary operation on this tensor.
BasicTensorBlock	allocateBlock()
BasicTensorBlock	allocateDenseBlock()
boolean	allocateDenseBlock(boolean clearNNZ)
boolean	allocateSparseBlock()
boolean	allocateSparseBlock(boolean clearNNZ)
void	copy(int[] lower, int[] upper, BasicTensorBlock src)	Copy a part of another BasicTensorBlock
void	copy(BasicTensorBlock that)
BasicTensorBlock	copyShallow(BasicTensorBlock that)
Object	get(int[] ix)
double	get(int r, int c)
DenseBlock	getDenseBlock()
int	getDim(int i)
int[]	getDims()
long	getLength()
long	getNonZeros()
int	getNumColumns()
int	getNumDims()
int	getNumRows()
SparseBlock	getSparseBlock()
Types.ValueType	getValueType()
void	incrementalAggregate(AggregateOperator aggOp, BasicTensorBlock partialResult)
boolean	isAllocated()
boolean	isEmpty(boolean safe)
boolean	isSparse()
long	recomputeNonZeros()	Recomputes and materializes the number of non-zero values of the entire basic tensor block.
void	reset()
void	reset(int[] dims)
void	reset(int[] dims, boolean sp)
void	reset(int[] dims, boolean sp, long estnnz)
void	reset(int[] dims, long estnnz)
void	set(double v)
void	set(int[] ix, Object v)
void	set(int r, int c, double v)
void	set(Object v)
void	set(BasicTensorBlock other)
void	set(MatrixBlock other)

Methods inherited from class java.lang.Object

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

Field Details

SPARSITY_TURN_POINT

public static final double SPARSITY_TURN_POINT

See Also:

• Constant Field Values

DEFAULT_SPARSEBLOCK

public static final SparseBlock.Type DEFAULT_SPARSEBLOCK

Constructor Details

BasicTensorBlock

public BasicTensorBlock()

BasicTensorBlock

public BasicTensorBlock(Types.ValueType vt,
 int[] dims)

BasicTensorBlock

public BasicTensorBlock(Types.ValueType vt,
 int[] dims,
 boolean sp)

BasicTensorBlock

public BasicTensorBlock(Types.ValueType vt,
 int[] dims,
 boolean sp,
 long estnnz)

BasicTensorBlock

public BasicTensorBlock(BasicTensorBlock that)

BasicTensorBlock

public BasicTensorBlock(double val)

BasicTensorBlock

public BasicTensorBlock(int[] dims,
 Types.ValueType vt,
 double val)

Method Details

getLength

public long getLength()

reset

public void reset()

reset

public void reset(int[] dims)

reset

public void reset(int[] dims,
 long estnnz)

reset

public void reset(int[] dims,
 boolean sp)

reset

public void reset(int[] dims,
 boolean sp,
 long estnnz)

recomputeNonZeros

public long recomputeNonZeros()

Recomputes and materializes the number of non-zero values of the entire basic tensor block.

Returns:

number of non-zeros

isAllocated

public boolean isAllocated()

allocateDenseBlock

public BasicTensorBlock allocateDenseBlock()

allocateBlock

public BasicTensorBlock allocateBlock()

allocateDenseBlock

public boolean allocateDenseBlock(boolean clearNNZ)

allocateSparseBlock

public boolean allocateSparseBlock()

allocateSparseBlock

public boolean allocateSparseBlock(boolean clearNNZ)

getValueType

public Types.ValueType getValueType()

getNonZeros

public long getNonZeros()

getNumRows

public int getNumRows()

getNumColumns

public int getNumColumns()

getNumDims

public int getNumDims()

getDim

public int getDim(int i)

getDims

public int[] getDims()

isSparse

public boolean isSparse()

isEmpty

public boolean isEmpty(boolean safe)

getDenseBlock

public DenseBlock getDenseBlock()

getSparseBlock

public SparseBlock getSparseBlock()

get

public Object get(int[] ix)

get

public double get(int r,
 int c)

set

public void set(int[] ix,
 Object v)

set

public void set(int r,
 int c,
 double v)

set

public void set(double v)

set

public void set(Object v)

set

public void set(BasicTensorBlock other)

set

public void set(MatrixBlock other)

copy

public void copy(BasicTensorBlock that)

copyShallow

public BasicTensorBlock copyShallow(BasicTensorBlock that)

copy

public void copy(int[] lower,
 int[] upper,
 BasicTensorBlock src)

Copy a part of another BasicTensorBlock

Parameters:

lower - lower index of elements to copy (inclusive)

upper - upper index of elements to copy (exclusive)

src - source BasicTensorBlock

aggregateUnaryOperations

public BasicTensorBlock aggregateUnaryOperations(AggregateUnaryOperator op,
 BasicTensorBlock result)

Aggregate a unary operation on this tensor.

Parameters:

op - the operation to apply

result - the result tensor

Returns:

the result tensor

incrementalAggregate

public void incrementalAggregate(AggregateOperator aggOp,
 BasicTensorBlock partialResult)