Package ai.djl.training.hyperparameter.optimizer

Class BaseHpOptimizer

java.lang.Object

ai.djl.training.hyperparameter.optimizer.BaseHpOptimizer

All Implemented Interfaces:

HpOptimizer

Direct Known Subclasses:

HpORandom

public abstract class BaseHpOptimizer
extends Object
implements HpOptimizer

A base containing shared implementations for HpOptimizers.

See Also:

• HpOptimizer

Field Summary

Fields

Modifier and Type	Field	Description
protected HpSet	hyperParams
protected Map<HpSet,Float>	results

Constructor Summary

Constructors

Constructor	Description
BaseHpOptimizer(HpSet hyperParams)	Constructs a BaseHpOptimizer.

Method Summary

Modifier and Type	Method	Description
ai.djl.util.Pair<HpSet,Float>	getBest()	Returns the best hyperparameters and loss.
float	getLoss(HpSet config)	Returns the recorded loss.
void	update(HpSet config, float loss)	Updates the optimizer with the results of a hyperparameter test.

Methods inherited from class java.lang.Object

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

Methods inherited from interface ai.djl.training.hyperparameter.optimizer.HpOptimizer

nextConfig

Field Details

hyperParams

protected HpSet hyperParams

results

protected Map<HpSet,Float> results

Constructor Details

BaseHpOptimizer

public BaseHpOptimizer(HpSet hyperParams)

Constructs a BaseHpOptimizer.

Parameters:

hyperParams - the set of hyperparameters

Method Details

update

public void update(HpSet config,
 float loss)

Updates the optimizer with the results of a hyperparameter test.

Specified by:

update in interface HpOptimizer

Parameters:

config - the tested hyperparameters

loss - the validation loss from training with those hyperparameters

getLoss

public float getLoss(HpSet config)

Returns the recorded loss.

Specified by:

getLoss in interface HpOptimizer

Parameters:

config - the hyperparameters that were trained with

Returns:

the loss

getBest

public ai.djl.util.Pair<HpSet,Float> getBest()

Returns the best hyperparameters and loss.

Specified by:

getBest in interface HpOptimizer

Returns:

the best hyperparameters and loss