hex.util

Class LinearAlgebraUtils.SMulTask

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter<T>

water.DTask<T>

water.MRTask<LinearAlgebraUtils.SMulTask>

hex.util.LinearAlgebraUtils.SMulTask

All Implemented Interfaces:

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

Enclosing class:

LinearAlgebraUtils

public static class LinearAlgebraUtils.SMulTask
extends water.MRTask<LinearAlgebraUtils.SMulTask>

Computes A'Q where A is n by p and Q is n by k Input: [A,Q] (large frame) passed to doAll Output: atq = A'Q (small matrix) is \tilde{p} by k where \tilde{p} = number of cols in A with categoricals expanded

See Also:

Serialized Form

Nested Class Summary

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
double[][]	_atq

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, _modifiesInputs

Constructor Summary

Constructors

Constructor and Description
LinearAlgebraUtils.SMulTask(DataInfo ainfo, int ncolQ)

Method Summary

Methods

Modifier and Type	Method and Description
void	map(water.fvec.Chunk[] cs)
void	reduce(LinearAlgebraUtils.SMulTask other)

Methods inherited from class water.MRTask

appendables, asyncExec, asyncExec, asyncExec, asyncExec, asyncExecOnAllNodes, block, closeLocal, compute2, dfork, dfork, dfork, dfork, dinvoke, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAllNodes, getResult, isReleasable, map, map, map, map, map, map, map, map, map, map, map, map, onCompletion, onExceptionalCompletion, outputFrame, outputFrame, outputFrame, postGlobal, postLocal, priority, profString, self, setProfile, setupLocal

Methods inherited from class water.DTask

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

Methods inherited from class water.H2O.H2OCountedCompleter

clone, compute, frozenType, icer, nextThrPriority, read_impl, read, readJSON_impl, readJSON, write_impl, write, writeJSON_impl, writeJSON

Methods inherited from class jsr166y.CountedCompleter

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, 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

_atq

public double[][] _atq

Constructor Detail

LinearAlgebraUtils.SMulTask

public LinearAlgebraUtils.SMulTask(DataInfo ainfo,
                           int ncolQ)

Method Detail

map

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

Overrides:

map in class water.MRTask<LinearAlgebraUtils.SMulTask>

reduce

public void reduce(LinearAlgebraUtils.SMulTask other)

Overrides:

reduce in class water.MRTask<LinearAlgebraUtils.SMulTask>