com.xilinx.rapidwright.rwroute

Class Connection

Object

com.xilinx.rapidwright.rwroute.Connection

All Implemented Interfaces:

Comparable<Connection>

public class Connection
extends Object
implements Comparable<Connection>

A Connection instance represents a pair of source-sink SitePinInst instances of a Net instance.

Constructor Summary

Constructors

Constructor and Description
Connection(int id, SitePinInst source, SitePinInst sink, NetWrapper netWrapper)

Method Summary

Modifier and Type	Method and Description
void	addRnode(RouteNode rn) Add the give RouteNode to the list of those used by this Connection.
String	bbRectangleString()
void	calculateCriticality(float maxDelay, float maxCriticality, float criticalityExponent) Computes criticality of a connection.
int	compareTo(Connection arg0)
void	computeConnectionBoundingBox(short boundingBoxExtensionX, short boundingBoxExtensionY, int[] nextLagunaColumn, int[] prevLagunaColumn) Computes the connection bounding box based on the geometric center of the net, source and sink rnodes, and for cross SLR connections the location of Laguna columns.
void	computeHpwl() Computes the half-perimeter wirelength of connection based on the source and sink rnodes.
void	enlargeBoundingBox(int horizontalIncrement, int verticalIncrement)
RouteNode	getAltSinkRnode()
RouteNode	getAltSourceRnode()
float	getCriticality()
short	getHpwl()
NetWrapper	getNetWrapper()
List<Node>	getNodes()
List<RouteNode>	getRnodes()
SitePinInst	getSink()
RouteNode	getSinkRnode()
SitePinInst	getSource()
RouteNode	getSourceRnode()
List<TimingEdge>	getTimingEdges()
short	getXMaxBB()
short	getXMinBB()
short	getYMaxBB()
short	getYMinBB()
int	hashCode()
boolean	isCongested() Checks if a connection has any overused rnodes to indicate the congestion status.
boolean	isCrossSLR()
boolean	isDirect()
boolean	isDlyPatched()
void	resetCriticality()
void	resetRoute()
void	setAltSinkRnode(RouteNode childRnode)
void	setAltSourceRnode(RouteNode altSourceNode)
void	setCriticality(float criticality)
void	setDirect(boolean direct)
void	setDlyPatched(boolean dlyPatched)
void	setHpwl(short conHpwl)
void	setNetWrapper(NetWrapper netWrapper)
void	setNodes(List<Node> nodes)
void	setRnodes(List<RouteNode> rnodes)
void	setSinkRnode(RouteNode childRnode)
void	setSource(SitePinInst source)
void	setSourceRnode(RouteNode sourceNode)
void	setTarget(boolean target)
void	setTimingEdges(List<TimingEdge> timingEdges)
void	setTimingEdgesDelay(float routeDelay)
void	setXMaxBB(short xMaxBB)
void	setXMinBB(short xMinBB)
void	setYMaxBB(short yMaxBB)
void	setYMinBB(short yMinBB)
String	toString()
void	updateRouteDelay()
boolean	useRnodesWithMultiDrivers() Checks if a connection is routed through any rnodes that have multiple drivers.

Methods inherited from class Object

equals, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Connection

public Connection(int id,
                  SitePinInst source,
                  SitePinInst sink,
                  NetWrapper netWrapper)

Method Detail

computeHpwl

public void computeHpwl()

Computes the half-perimeter wirelength of connection based on the source and sink rnodes.

computeConnectionBoundingBox

public void computeConnectionBoundingBox(short boundingBoxExtensionX,
                                         short boundingBoxExtensionY,
                                         int[] nextLagunaColumn,
                                         int[] prevLagunaColumn)

Computes the connection bounding box based on the geometric center of the net, source and sink rnodes, and for cross SLR connections the location of Laguna columns.

Parameters:

boundingBoxExtensionX - To indicate the extension on top of the minimum bounding box in the horizontal direction.

boundingBoxExtensionY - To indicate the extension on top of the minimum bounding box in the vertical direction.

nextLagunaColumn - Array mapping arbitrary tile columns to the next Laguna column

prevLagunaColumn - Array mapping arbitrary tile columns to the previous Laguna column

calculateCriticality

public void calculateCriticality(float maxDelay,
                                 float maxCriticality,
                                 float criticalityExponent)

Computes criticality of a connection.

Parameters:

maxDelay - The maximum delay to normalize the slack of a connection.

maxCriticality - The maximum criticality.

criticalityExponent - The exponent to separate critical connections and non-critical connections.

isCongested

public boolean isCongested()

Checks if a connection has any overused rnodes to indicate the congestion status.

Returns:

useRnodesWithMultiDrivers

public boolean useRnodesWithMultiDrivers()

Checks if a connection is routed through any rnodes that have multiple drivers.

Returns:

addRnode

public void addRnode(RouteNode rn)

Add the give RouteNode to the list of those used by this Connection. Expand the bounding box accordingly, since this node could describe an existing routing path computed using a different bounding box.

Parameters:

rn - RouteNode to add

updateRouteDelay

public void updateRouteDelay()

setTimingEdgesDelay

public void setTimingEdgesDelay(float routeDelay)

setCriticality

public void setCriticality(float criticality)

resetCriticality

public void resetCriticality()

getCriticality

public float getCriticality()

resetRoute

public void resetRoute()

getSourceRnode

public RouteNode getSourceRnode()

setSourceRnode

public void setSourceRnode(RouteNode sourceNode)

getAltSourceRnode

public RouteNode getAltSourceRnode()

setAltSourceRnode

public void setAltSourceRnode(RouteNode altSourceNode)

getSinkRnode

public RouteNode getSinkRnode()

setSinkRnode

public void setSinkRnode(RouteNode childRnode)

getAltSinkRnode

public RouteNode getAltSinkRnode()

setAltSinkRnode

public void setAltSinkRnode(RouteNode childRnode)

getXMinBB

public short getXMinBB()

setXMinBB

public void setXMinBB(short xMinBB)

getXMaxBB

public short getXMaxBB()

setXMaxBB

public void setXMaxBB(short xMaxBB)

getYMinBB

public short getYMinBB()

setYMinBB

public void setYMinBB(short yMinBB)

getYMaxBB

public short getYMaxBB()

setYMaxBB

public void setYMaxBB(short yMaxBB)

setNetWrapper

public void setNetWrapper(NetWrapper netWrapper)

getNetWrapper

public NetWrapper getNetWrapper()

getSource

public SitePinInst getSource()

setSource

public void setSource(SitePinInst source)

isDirect

public boolean isDirect()

setDirect

public void setDirect(boolean direct)

getSink

public SitePinInst getSink()

getTimingEdges

public List<TimingEdge> getTimingEdges()

setTimingEdges

public void setTimingEdges(List<TimingEdge> timingEdges)

getHpwl

public short getHpwl()

setHpwl

public void setHpwl(short conHpwl)

getRnodes

public List<RouteNode> getRnodes()

setRnodes

public void setRnodes(List<RouteNode> rnodes)

isDlyPatched

public boolean isDlyPatched()

setDlyPatched

public void setDlyPatched(boolean dlyPatched)

isCrossSLR

public boolean isCrossSLR()

getNodes

public List<Node> getNodes()

setNodes

public void setNodes(List<Node> nodes)

enlargeBoundingBox

public void enlargeBoundingBox(int horizontalIncrement,
                               int verticalIncrement)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(Connection arg0)

Specified by:

compareTo in interface Comparable<Connection>

bbRectangleString

public String bbRectangleString()

toString

public String toString()

Overrides:

toString in class Object

setTarget

public void setTarget(boolean target)