com.oracle.graal.phases.common.inlining.walker

Class ComputeInliningRelevance.Scope

java.lang.Object

com.oracle.graal.phases.common.inlining.walker.ComputeInliningRelevance.Scope

Enclosing class:

ComputeInliningRelevance

private class ComputeInliningRelevance.Scope
extends Object

A scope holds information for the contents of one loop or of the root of the method. It does not include child loops, i.e., the iteration in process(NodeWorkList) explicitly excludes the nodes of child loops.

Field Summary

Fields

Modifier and Type	Field and Description
private double	fastPathMinProbability The minimum probability along the most probable path in this scope.
ComputeInliningRelevance.Scope	parent
private double	scopeRelevanceWithinParent A measure of how important this scope is within its parent scope.
FixedNode	start

Constructor Summary

Constructors

Constructor and Description
Scope(FixedNode start, ComputeInliningRelevance.Scope parent)

Method Summary

Modifier and Type	Method and Description
double	computeInvokeRelevance(Invoke invoke) The relevance of an invoke is the ratio between the invoke's probability and the current scope's fastPathMinProbability, adjusted by scopeRelevanceWithinParent.
double	getFastPathMinProbability()
double	getScopeRelevanceWithinParent() Computes the ratio between the probabilities of the current scope's entry point and the parent scope's fastPathMinProbability.
void	process(NodeWorkList workList) Processes all invokes in this scope by starting at the scope's start node and iterating all fixed nodes.

Methods inherited from class java.lang.Object

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

Field Detail

start

public final FixedNode start

parent

public final ComputeInliningRelevance.Scope parent

fastPathMinProbability

private double fastPathMinProbability

The minimum probability along the most probable path in this scope. Computed lazily.

scopeRelevanceWithinParent

private double scopeRelevanceWithinParent

A measure of how important this scope is within its parent scope. Computed lazily.

Constructor Detail

Scope

public Scope(FixedNode start,
             ComputeInliningRelevance.Scope parent)

Method Detail

getFastPathMinProbability

public double getFastPathMinProbability()

getScopeRelevanceWithinParent

public double getScopeRelevanceWithinParent()

Computes the ratio between the probabilities of the current scope's entry point and the parent scope's fastPathMinProbability.

process

public void process(NodeWorkList workList)

Processes all invokes in this scope by starting at the scope's start node and iterating all fixed nodes. Child loops are skipped by going from loop entries directly to the loop exits. Processing stops at loop exits of the current loop.

computeInvokeRelevance

public double computeInvokeRelevance(Invoke invoke)

The relevance of an invoke is the ratio between the invoke's probability and the current scope's fastPathMinProbability, adjusted by scopeRelevanceWithinParent.