edu.snu.coral.compiler.optimizer.pass.compiletime.annotating

Class DefaultParallelismPass

java.lang.Object

edu.snu.coral.compiler.optimizer.pass.compiletime.annotating.AnnotatingPass

edu.snu.coral.compiler.optimizer.pass.compiletime.annotating.DefaultParallelismPass

All Implemented Interfaces:

CompileTimePass, Serializable, Function<DAG<IRVertex,IREdge>,DAG<IRVertex,IREdge>>

public final class DefaultParallelismPass
extends AnnotatingPass

Optimization pass for tagging parallelism execution property.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DefaultParallelismPass() Default constructor with desired number of source parallelism 1, shuffle decreasing factor 2.
DefaultParallelismPass(int desiredSourceParallelism, int shuffleDecreaseFactor) Default constructor.

Method Summary

Modifier and Type	Method and Description
DAG<IRVertex,IREdge>	apply(DAG<IRVertex,IREdge> dag)
boolean	equals(Object o)
int	hashCode()

Methods inherited from class edu.snu.coral.compiler.optimizer.pass.compiletime.annotating.AnnotatingPass

getExecutionPropertyToModify, getPrerequisiteExecutionProperties

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

DefaultParallelismPass

public DefaultParallelismPass()

Default constructor with desired number of source parallelism 1, shuffle decreasing factor 2.

DefaultParallelismPass

public DefaultParallelismPass(int desiredSourceParallelism,
                              int shuffleDecreaseFactor)

Default constructor.

Parameters:

desiredSourceParallelism - the desired number of source parallelism.

shuffleDecreaseFactor - the parallelism decrease factor for shuffle edge.

Method Detail

apply

public DAG<IRVertex,IREdge> apply(DAG<IRVertex,IREdge> dag)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object