Package org.apache.sysds.hops.codegen.opt

Class InterestingPoint

java.lang.Object

org.apache.sysds.hops.codegen.opt.InterestingPoint

public class InterestingPoint
extends Object

Interesting decision point with regard to materialization of intermediates. These points are defined by a type, as well as hop ID for consumer-producer relationships. Equivalence is defined solely on the hop IDs, to simplify their processing and avoid redundant enumeration.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	InterestingPoint.DecisionType

Field Summary

Fields

Modifier and Type	Field	Description
long	_fromHopID
long	_toHopID

Constructor Summary

Constructors

Constructor	Description
InterestingPoint(InterestingPoint.DecisionType type, long fromHopID, long toHopID)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
long	getFromHopID()
long	getToHopID()
InterestingPoint.DecisionType	getType()
int	hashCode()
static boolean	isMatPoint(InterestingPoint[] list, long from, long to)
static boolean	isMatPoint(InterestingPoint[] list, long from, CPlanMemoTable.MemoTableEntry me, boolean[] plan)
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

_fromHopID

public final long _fromHopID

_toHopID

public final long _toHopID

Constructor Detail

InterestingPoint

public InterestingPoint(InterestingPoint.DecisionType type,
                        long fromHopID,
                        long toHopID)

Method Detail

getType

public InterestingPoint.DecisionType getType()

getFromHopID

public long getFromHopID()

getToHopID

public long getToHopID()

isMatPoint

public static boolean isMatPoint(InterestingPoint[] list,
                                 long from,
                                 CPlanMemoTable.MemoTableEntry me,
                                 boolean[] plan)

isMatPoint

public static boolean isMatPoint(InterestingPoint[] list,
                                 long from,
                                 long to)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object