at.dms.kjc.cell
Class CellBackend

java.lang.Object
  at.dms.kjc.cell.CellBackend

public class CellBackend
extends Object

Field Summary

static HashMap<InputSliceNode,Integer>	artificialJoinerChannels InputSliceNode -> ID of the artificial channel connecting it to the FilterSliceNode
static HashMap<OutputSliceNode,Integer>	artificialRRSplitterChannels OutputSliceNode -> ID of the artificial channel connecting the FilterSliceNode to it
static CellBackendFactory	backEndBits holds pointer to BackEndFactory instance during back end portion of this compiler.
static HashMap<InterSliceEdge,Integer>	channelIdMap
static ArrayList<InterSliceEdge>	channels
static HashMap<OutputSliceNode,Integer>	duplicateSplitters
static HashMap<SliceNode,Integer>	filterIdMap
static ArrayList<SliceNode>	filters List of all the filters in the graph (including RR splitters and joiners as separate filters)
static HashMap<InputSliceNode,LinkedList<Integer>>	inputChannelMap InputSliceNode -> List of input channel IDs
static int	ITERS_PER_BATCH
static int	MAX_TAPES
static int	numchannels
static int	numfilters
static int	numspus
static HashMap<OutputSliceNode,LinkedList<Integer>>	outputChannelMap OutputSliceNode -> List of output channel IDs
static HashSet<Integer>	readyInputs Set of IDs of channels that already have input data ready
static LinkedList<LinkedList<Integer>>	scheduleLayout Encapsulates the schedule and layout of the program.
static HashMap<Integer,SliceNode>	SPUassignment

Constructor Summary

CellBackend()

Method Summary

static void	addReadyInputsForCompleted(LinkedList<Integer> completedIds)
static InterSliceEdge	getEdgeBetween(OutputSliceNode src, InputSliceNode dest)
static LinkedList<Integer>	getLastScheduleGroup()
static void	run(SIRStream str, JInterfaceDeclaration[] interfaces, SIRInterfaceTable[] interfaceTables, SIRStructure[] structs, SIRHelper[] helpers, SIRGlobal global) Top level method for Cell backend, called via reflection from StreaMITMain.

Methods inherited from class java.lang.Object

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

Field Detail

backEndBits

public static CellBackendFactory backEndBits

holds pointer to BackEndFactory instance during back end portion of this compiler.

numfilters

public static int numfilters

numchannels

public static int numchannels

numspus

public static final int numspus

MAX_TAPES

public static final int MAX_TAPES

See Also:

Constant Field Values

ITERS_PER_BATCH

public static final int ITERS_PER_BATCH

See Also:

Constant Field Values

inputChannelMap

public static final HashMap<InputSliceNode,LinkedList<Integer>> inputChannelMap

InputSliceNode -> List of input channel IDs

outputChannelMap

public static final HashMap<OutputSliceNode,LinkedList<Integer>> outputChannelMap

OutputSliceNode -> List of output channel IDs

SPUassignment

public static final HashMap<Integer,SliceNode> SPUassignment

scheduleLayout

public static final LinkedList<LinkedList<Integer>> scheduleLayout

Encapsulates the schedule and layout of the program. The first dimension specifies the order of firings. The second dimension specifies the group of filters that are fired in parallel. The integer specifies the ID of the filter to be fired.

channelIdMap

public static final HashMap<InterSliceEdge,Integer> channelIdMap

channels

public static final ArrayList<InterSliceEdge> channels

filters

public static final ArrayList<SliceNode> filters

List of all the filters in the graph (including RR splitters and joiners as separate filters)

filterIdMap

public static final HashMap<SliceNode,Integer> filterIdMap

duplicateSplitters

public static final HashMap<OutputSliceNode,Integer> duplicateSplitters

artificialJoinerChannels

public static final HashMap<InputSliceNode,Integer> artificialJoinerChannels

InputSliceNode -> ID of the artificial channel connecting it to the FilterSliceNode

artificialRRSplitterChannels

public static final HashMap<OutputSliceNode,Integer> artificialRRSplitterChannels

OutputSliceNode -> ID of the artificial channel connecting the FilterSliceNode to it

readyInputs

public static final HashSet<Integer> readyInputs

Set of IDs of channels that already have input data ready

Constructor Detail

CellBackend

public CellBackend()

Method Detail

run

public static void run(SIRStream str,
                       JInterfaceDeclaration[] interfaces,
                       SIRInterfaceTable[] interfaceTables,
                       SIRStructure[] structs,
                       SIRHelper[] helpers,
                       SIRGlobal global)

Top level method for Cell backend, called via reflection from StreaMITMain.

Parameters:

str - SIRStream from Kopi2SIR

interfaces - JInterfaceDeclaration[] from Kopi2SIR

interfaceTables - SIRInterfaceTable[] from Kopi2SIR

structs - SIRStructure[] from Kopi2SIR

helpers - SIRHelper[] from Kopi2SIR

global - SIRGlobal from Kopi2SIR

getLastScheduleGroup

public static LinkedList<Integer> getLastScheduleGroup()

addReadyInputsForCompleted

public static void addReadyInputsForCompleted(LinkedList<Integer> completedIds)

getEdgeBetween

public static InterSliceEdge getEdgeBetween(OutputSliceNode src,
                                            InputSliceNode dest)