Package org.apache.sysds.hops.codegen.template

Class TemplateRow.HopInputComparator

java.lang.Object

org.apache.sysds.hops.codegen.template.TemplateRow.HopInputComparator

All Implemented Interfaces:

Comparator<Hop>

Enclosing class:

TemplateRow

public static class TemplateRow.HopInputComparator
extends Object
implements Comparator<Hop>

Comparator to order input hops of the row aggregate template. We try to order matrices-vectors-scalars via sorting by number of cells but we keep the given main input always at the first position.

Constructor Summary

Constructors

Constructor	Description
HopInputComparator(Hop X, Hop B1)

Method Summary

Modifier and Type	Method	Description
int	compare(Hop h1, Hop h2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

HopInputComparator

public HopInputComparator(Hop X,
                          Hop B1)

Method Detail

compare

public int compare(Hop h1,
                   Hop h2)

Specified by:

compare in interface Comparator<Hop>