hex.gram

Class Gram.OuterGramTask

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter<T>

water.DTask<T>

water.MRTask<Gram.OuterGramTask>

hex.gram.Gram.OuterGramTask

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.concurrent.Future<java.lang.Void>, jsr166y.ForkJoinPool.ManagedBlocker, water.Freezable<Gram.OuterGramTask>

Enclosing class:

Gram

public static class Gram.OuterGramTask
extends water.MRTask<Gram.OuterGramTask>

Task to compute outer product of a matrix normalized by the number of observations (not counting rows with NAs). in R's notation g = X%*%T(X)/nobs, nobs = number of rows of X with no NA. Copied from GramTask.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class water.MRTask

water.MRTask.PostMapAction<T extends water.MRTask.PostMapAction<T>>

Nested classes/interfaces inherited from class water.DTask

water.DTask.DKeyTask<T extends water.DTask.DKeyTask,V extends water.Keyed>, water.DTask.RemoveCall

Field Summary

Fields

Modifier and Type	Field and Description
protected DataInfo	_dinfo
Gram	_gram
long	_nobs

Fields inherited from class water.MRTask

_appendables, _fr, _fs, _hi, _keys, _left, _lo, _nhi, _nleft, _nlo, _nrite, _rite, _run_local, _topLocal

Fields inherited from class water.DTask

_ex

Constructor Summary

Constructors

Constructor and Description
OuterGramTask(water.Key<water.Job> jobKey, DataInfo dinfo)

Method Summary

Modifier and Type	Method and Description
void	chunkDone()
void	chunkInit()
void	innerProductChunk(DataInfo.Row rowi, DataInfo.Row rowj, water.fvec.Chunk[] localChunk, water.fvec.Chunk[] alterChunk)
void	map(water.fvec.Chunk[] chks)
void	reduce(Gram.OuterGramTask gt)

Methods inherited from class water.MRTask

appendables, asyncExecOnAllNodes, block, closeLocal, compute2, dfork, dfork, dfork, dfork, dfork, dinvoke, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAllNodes, getResult, getResult, isReleasable, map, map, map, map, map, map, map, map, map, map, map, modifiesVolatileVecs, onCompletion, onExceptionalCompletion, outputFrame, outputFrame, outputFrame, postGlobal, profile, profString, self, setupLocal, withPostMapAction

Methods inherited from class water.DTask

copyOver, getDException, hasException, logVerbose, onAck, onAckAck, setException

Methods inherited from class water.H2O.H2OCountedCompleter

asBytes, clone, compute, compute1, currThrPriority, frozenType, icer, priority, read, readJSON, reloadFromBytes, write, writeJSON

Methods inherited from class jsr166y.CountedCompleter

__tryComplete, addToPendingCount, compareAndSetPendingCount, complete, exec, getCompleter, getPendingCount, getRawResult, setCompleter, setPendingCount, setRawResult, tryComplete

Methods inherited from class jsr166y.ForkJoinTask

adapt, adapt, adapt, cancel, compareAndSetForkJoinTaskTag, completeExceptionally, fork, get, get, get, getException, getForkJoinTaskTag, getPool, getQueuedTaskCount, getSurplusQueuedTaskCount, helpQuiesce, inForkJoinPool, invoke, invokeAll, invokeAll, invokeAll, isCancelled, isCompletedAbnormally, isCompletedNormally, isDone, join, peekNextLocalTask, pollNextLocalTask, pollTask, quietlyComplete, quietlyInvoke, quietlyJoin, reinitialize, setForkJoinTaskTag, tryUnfork

Methods inherited from class java.lang.Object

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

Field Detail

_gram

public Gram _gram

_nobs

public long _nobs

_dinfo

protected final DataInfo _dinfo

Constructor Detail

OuterGramTask

public OuterGramTask(water.Key<water.Job> jobKey,
                     DataInfo dinfo)

Method Detail

map

public void map(water.fvec.Chunk[] chks)

Overrides:

map in class water.MRTask<Gram.OuterGramTask>

innerProductChunk

public void innerProductChunk(DataInfo.Row rowi,
                              DataInfo.Row rowj,
                              water.fvec.Chunk[] localChunk,
                              water.fvec.Chunk[] alterChunk)

chunkInit

public void chunkInit()

chunkDone

public void chunkDone()

reduce

public void reduce(Gram.OuterGramTask gt)

Overrides:

reduce in class water.MRTask<Gram.OuterGramTask>