Package org.nd4j.parameterserver.updater

Class TimeDelayedParameterUpdater

java.lang.Object

org.nd4j.parameterserver.updater.BaseParameterUpdater

org.nd4j.parameterserver.updater.TimeDelayedParameterUpdater

All Implemented Interfaces:

ParameterServerUpdater

public class TimeDelayedParameterUpdater
extends BaseParameterUpdater

Field Summary

Fields inherited from class org.nd4j.parameterserver.updater.BaseParameterUpdater

ndArrayHolder, updateStorage

Constructor Summary

Constructors

Constructor	Description
TimeDelayedParameterUpdater()

Method Summary

Modifier and Type	Method	Description
void	partialUpdate(org.nd4j.linalg.api.ndarray.INDArray arr, org.nd4j.linalg.api.ndarray.INDArray result, long idx, int... dimensions)	Updates result based on arr along a particular INDArray#tensorAlongDimension(int, int...)
int	requiredUpdatesForPass()	Returns the number of required updates for a new pass
void	reset()	Reset internal counters such as number of updates accumulated.
boolean	shouldReplicate()	Returns true if the updater has accumulated enough ndarrays to replicate to the workers
Map<String,Number>	status()	Returns the current status of this parameter server updater
String	toJson()	Serialize this updater as json
void	update(NDArrayMessage message)	Do an update based on the ndarray message.
void	update(org.nd4j.linalg.api.ndarray.INDArray arr, org.nd4j.linalg.api.ndarray.INDArray result)	Updates result based on arr

Methods inherited from class org.nd4j.parameterserver.updater.BaseParameterUpdater

isAsync, isReady, ndArrayHolder, numUpdates

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeDelayedParameterUpdater

public TimeDelayedParameterUpdater()

Method Detail

requiredUpdatesForPass

public int requiredUpdatesForPass()

Returns the number of required updates for a new pass

Returns:

the number of required updates for a new pass

status

public Map<String,Number> status()

Returns the current status of this parameter server updater

Returns:

toJson

public String toJson()

Serialize this updater as json

Returns:

reset

public void reset()

Reset internal counters such as number of updates accumulated.

Specified by:

reset in interface ParameterServerUpdater

Overrides:

reset in class BaseParameterUpdater

shouldReplicate

public boolean shouldReplicate()

Returns true if the updater has accumulated enough ndarrays to replicate to the workers

Returns:

true if replication should happen,false otherwise

update

public void update(NDArrayMessage message)

Do an update based on the ndarray message.

Parameters:

message -

partialUpdate

public void partialUpdate(org.nd4j.linalg.api.ndarray.INDArray arr,
                          org.nd4j.linalg.api.ndarray.INDArray result,
                          long idx,
                          int... dimensions)

Updates result based on arr along a particular INDArray#tensorAlongDimension(int, int...)

Parameters:

arr - the array to update

result - the result ndarray to update

idx - the index to update

dimensions - the dimensions to update

update

public void update(org.nd4j.linalg.api.ndarray.INDArray arr,
                   org.nd4j.linalg.api.ndarray.INDArray result)

Updates result based on arr

Parameters:

arr - the array to update

result - the result ndarray to update