Class/Object

com.intel.analytics.bigdl.optim

ParallelOptimizer

Related Docs: object ParallelOptimizer | package optim

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class ParallelOptimizer[T] extends Optimizer[T, MiniBatch[T]]

The optimizer run on a distributed cluster.

Linear Supertypes
Optimizer[T, MiniBatch[T]], AnyRef, Any
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Inherited
  1. ParallelOptimizer
  2. Optimizer
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Visibility
  1. Public
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Instance Constructors

  1. new ParallelOptimizer(_model: Module[T], _dataset: DistributedDataSet[MiniBatch[T]], _criterion: Criterion[T])(implicit arg0: ClassTag[T], ev: TensorNumeric[T])

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    _model

    train model

    _dataset

    train dataset

    _criterion

    loss function

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  5. var checkSingleton: Boolean

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    Attributes
    protected
    Definition Classes
    Optimizer
  6. var checkpointPath: Option[String]

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    Attributes
    protected
    Definition Classes
    Optimizer
  7. var checkpointTrigger: Option[Trigger]

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    Attributes
    protected
    Definition Classes
    Optimizer
  8. def clearState(): Unit

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    Clean some internal states, so this or other optimizers can run optimize again

    Clean some internal states, so this or other optimizers can run optimize again

    This method will be called at the end of optimize. You need not call it if optimize succeed. If the optimize fails, you may call it before next optimize.

  9. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. var computeThresholdbatchSize: Int

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    Attributes
    protected
    Definition Classes
    Optimizer
  11. var criterion: Criterion[T]

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    the criterion used to evaluate the loss of the model given an input

    the criterion used to evaluate the loss of the model given an input

    Attributes
    protected
    Definition Classes
    Optimizer
  12. var dataset: DataSet[MiniBatch[T]]

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    the data set used to train a model

    the data set used to train a model

    Attributes
    protected
    Definition Classes
    Optimizer
  13. def disableGradientClipping(): ParallelOptimizer.this.type

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    Disable gradient clipping

    Disable gradient clipping

    Definition Classes
    Optimizer
  14. var dropPercentage: Double

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    Attributes
    protected
    Definition Classes
    Optimizer
  15. var endWhen: Trigger

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    Attributes
    protected
    Definition Classes
    Optimizer
  16. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  17. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  18. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  19. def getCheckpointPath(): Option[String]

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    Get the directory of saving checkpoint

    Get the directory of saving checkpoint

    Definition Classes
    Optimizer
  20. final def getClass(): Class[_]

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    Definition Classes
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  21. def hashCode(): Int

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    Definition Classes
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  22. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  23. var isOverWrite: Boolean

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    Attributes
    protected
    Definition Classes
    Optimizer
  24. var maxDropPercentage: Double

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    Attributes
    protected
    Definition Classes
    Optimizer
  25. val metrics: Metrics

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  26. var model: Module[T]

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    the model to be trained

    the model to be trained

    Attributes
    protected
    Definition Classes
    Optimizer
  27. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  28. final def notify(): Unit

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    Definition Classes
    AnyRef
  29. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  30. var optimMethods: Map[String, OptimMethod[T]]

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    Attributes
    protected
    Definition Classes
    Optimizer
  31. def optimize(): Module[T]

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    Trigger the optimization process

    Trigger the optimization process

    returns

    the model to be trained

    Definition Classes
    ParallelOptimizerOptimizer
  32. def overWriteCheckpoint(): ParallelOptimizer.this.type

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    Enable overwrite saving checkpoint

    Enable overwrite saving checkpoint

    Definition Classes
    Optimizer
  33. var parameterProcessors: ArrayBuffer[ParameterProcessor]

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    a list of ParameterProcessor, orders matter

    a list of ParameterProcessor, orders matter

    Attributes
    protected
    Definition Classes
    Optimizer
  34. def prepareInput(): Unit

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    Definition Classes
    ParallelOptimizerOptimizer
  35. def reserveOptim(reserve: Boolean): ParallelOptimizer.this.type

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    Definition Classes
    Optimizer
  36. def setCheckpoint(path: String, trigger: Trigger): ParallelOptimizer.this.type

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    Set a check point saved at path triggered by trigger

    Set a check point saved at path triggered by trigger

    path

    the directory to save

    trigger

    how often to save the check point

    returns

    the optimizer

    Definition Classes
    Optimizer
  37. def setConstantGradientClipping(min: Double, max: Double): ParallelOptimizer.this.type

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    Set constant gradient clipping

    Set constant gradient clipping

    min

    the minimum value to clip by

    max

    the maximum value to clip by

    Definition Classes
    Optimizer
  38. def setCriterion(newCriterion: Criterion[T]): ParallelOptimizer.this.type

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    Set a new criterion to the optimizer

    Set a new criterion to the optimizer

    newCriterion

    new criterion

    Definition Classes
    Optimizer
  39. def setDropModuleProperty(dropPercentage: Double, maxDropPercentage: Double, batchsize: Int = 100, warmupIteration: Int = 200): ParallelOptimizer.this.type

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    Set dropping a certain percentage (dropPercentage) of models during distributed training to accelerate, because some cached model may take too long.

    Set dropping a certain percentage (dropPercentage) of models during distributed training to accelerate, because some cached model may take too long.

    dropPercentage

    drop percentage

    maxDropPercentage

    max drop percentage

    batchsize

    batch size

    warmupIteration

    how may iteration to warm up

    returns

    this optimizer

    Definition Classes
    Optimizer
  40. def setEndWhen(endWhen: Trigger): ParallelOptimizer.this.type

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    When to stop, passed in a Trigger

    When to stop, passed in a Trigger

    endWhen

    when to end

    returns

    the optimizer

    Definition Classes
    Optimizer
  41. def setGradientClippingByl2Norm(l2NormThreshold: Double): ParallelOptimizer.this.type

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    Clip gradient to a maximum L2-norm

    Clip gradient to a maximum L2-norm

    l2NormThreshold

    gradient L2-Norm threshold

    Definition Classes
    Optimizer
  42. def setModel(newModel: Module[T]): ParallelOptimizer.this.type

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    Set a model to the optimizer.

    Set a model to the optimizer. Notice: if current optimMethod in this optimizer is not a global optimMethod, this setModel will throw an exception. You should use setModelAndOptimMethods instead.

    newModel

    new model

    Definition Classes
    Optimizer
  43. def setModelAndOptimMethods(newModel: Module[T], newOptimMethods: Map[String, OptimMethod[T]]): ParallelOptimizer.this.type

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    Set new model and new optimMethods to the optimizer.

    Set new model and new optimMethods to the optimizer.

    newModel

    new model

    newOptimMethods

    new optimMethods

    Definition Classes
    Optimizer
  44. def setOptimMethod(method: OptimMethod[T]): ParallelOptimizer.this.type

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    Set an optimization method

    Set an optimization method

    method

    optimization method

    Definition Classes
    Optimizer
  45. def setOptimMethods(method: Map[String, OptimMethod[T]]): ParallelOptimizer.this.type

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    Set optimization methods for each submodule.

    Set optimization methods for each submodule.

    method

    A mapping of submodule -> OptimMethod

    Definition Classes
    Optimizer
  46. def setPriorities(priorities: Map[String, Int]): Unit

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  47. def setState(state: Table): ParallelOptimizer.this.type

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    Set a state(learning rate, epochs...) to the optimizer

    Set a state(learning rate, epochs...) to the optimizer

    state

    the state to be saved

    Definition Classes
    Optimizer
  48. def setTrainData(sampleRDD: RDD[Sample[T]], batchSize: Int, featurePaddingParam: PaddingParam[T] = null, labelPaddingParam: PaddingParam[T] = null): ParallelOptimizer.this.type

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    Set new train dataset.

    Set new train dataset.

    sampleRDD

    training Samples

    batchSize

    mini batch size

    featurePaddingParam

    feature padding strategy, see com.intel.analytics.bigdl.dataset.PaddingParam for details.

    labelPaddingParam

    label padding strategy, see com.intel.analytics.bigdl.dataset.PaddingParam for details.

    returns

    the optimizer

    Definition Classes
    ParallelOptimizerOptimizer
  49. def setTrainData(sampleRDD: RDD[Sample[T]], batchSize: Int, miniBatch: MiniBatch[T]): ParallelOptimizer.this.type

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    Set new train dataset.

    Set new train dataset. User can supply a customized implementation of trait MiniBatch to define how data is organized and retrieved in a mini batch.

    sampleRDD

    training Samples

    batchSize

    mini batch size

    returns

    the Optimizer

    Definition Classes
    ParallelOptimizerOptimizer
  50. def setTrainSummary(trainSummary: TrainSummary): ParallelOptimizer.this.type

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    Enable train summary.

    Enable train summary.

    Definition Classes
    Optimizer
  51. def setValidation(trigger: Trigger, sampleRDD: RDD[Sample[T]], vMethods: Array[ValidationMethod[T]], batchSize: Int, miniBatch: MiniBatch[T]): ParallelOptimizer.this.type

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    Set validate evaluation

    Set validate evaluation

    trigger

    how often to evaluation validation set

    sampleRDD

    validate data set in type of RDD of Sample

    vMethods

    a set of validation method ValidationMethod

    batchSize

    batch size

    miniBatch

    construct MiniBatch with a specified miniBatch type

    Definition Classes
    Optimizer
  52. def setValidation(trigger: Trigger, sampleRDD: RDD[Sample[T]], vMethods: Array[ValidationMethod[T]], batchSize: Int): ParallelOptimizer.this.type

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    Set a validate evaluation

    Set a validate evaluation

    trigger

    how often to evaluation validation set

    sampleRDD

    validate data set in type of RDD of Sample

    vMethods

    a set of validation method ValidationMethod

    batchSize

    batch size

    returns

    this optimizer

    Definition Classes
    Optimizer
  53. def setValidation(trigger: Trigger, sampleRDD: RDD[Sample[T]], vMethods: Array[ValidationMethod[T]], batchSize: Int, featurePaddingParam: PaddingParam[T], labelPaddingParam: PaddingParam[T]): ParallelOptimizer.this.type

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    Set a validate evaluation

    Set a validate evaluation

    trigger

    how often to evaluation validation set

    sampleRDD

    validate data set in type of RDD of Sample

    vMethods

    a set of validation method ValidationMethod

    batchSize

    batch size

    featurePaddingParam

    feature padding strategy, see com.intel.analytics.bigdl.dataset.PaddingParam for details.

    labelPaddingParam

    label padding strategy, see com.intel.analytics.bigdl.dataset.PaddingParam for details.

    returns

    this optimizer

    Definition Classes
    Optimizer
  54. def setValidation(trigger: Trigger, dataset: DataSet[MiniBatch[T]], vMethods: Array[ValidationMethod[T]]): ParallelOptimizer.this.type

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    Set a validate evaluation

    Set a validate evaluation

    trigger

    how often to evaluation validation set

    dataset

    validate data set in type of DataSet of MiniBatch

    vMethods

    a set of validation method ValidationMethod

    returns

    this optimizer

    Definition Classes
    Optimizer
  55. def setValidationSummary(validationSummary: ValidationSummary): ParallelOptimizer.this.type

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    Enable validation summary.

    Enable validation summary.

    Definition Classes
    Optimizer
  56. var state: Table

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    Attributes
    protected
    Definition Classes
    Optimizer
  57. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  58. def toString(): String

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    Definition Classes
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  59. var trainSummary: Option[TrainSummary]

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    Attributes
    protected
    Definition Classes
    Optimizer
  60. var validationDataSet: Option[DataSet[MiniBatch[T]]]

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    Attributes
    protected
    Definition Classes
    Optimizer
  61. var validationMethods: Option[Array[ValidationMethod[T]]]

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    Attributes
    protected
    Definition Classes
    Optimizer
  62. var validationSummary: Option[ValidationSummary]

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    Attributes
    protected
    Definition Classes
    Optimizer
  63. var validationTrigger: Option[Trigger]

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    Attributes
    protected
    Definition Classes
    Optimizer
  64. final def wait(): Unit

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    Definition Classes
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    Annotations
    @throws( ... )
  65. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
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    @throws( ... )
  66. final def wait(arg0: Long): Unit

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    Annotations
    @throws( ... )
  67. var warmupIterationNum: Int

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    Attributes
    protected
    Definition Classes
    Optimizer

Deprecated Value Members

  1. def disableCheckSingleton(): ParallelOptimizer.this.type

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    make optimizer not check the singleton model on a node

    make optimizer not check the singleton model on a node

    Definition Classes
    Optimizer
    Annotations
    @deprecated
    Deprecated

    (Since version 0.1.0) Use bigdl.check.singleton instead

Inherited from Optimizer[T, MiniBatch[T]]

Inherited from AnyRef

Inherited from Any

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