object ParallelOptimizer extends AbstractOptimizer
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def
checkpoint[T](cacheTrigger: Option[Trigger], cachePath: Option[String], isOverWrite: Boolean, wallClockTime: Long, models: RDD[Cache[T]], state: Table, parameters: AllReduceParameter[T], optimMethods: Map[String, OptimMethod[T]], trainingModel: Module[T])(implicit arg0: ClassTag[T], ev: TensorNumeric[T]): Unit
* Create checkpoint.
* Create checkpoint.
- cacheTrigger
cache trigger
- cachePath
cache path
- isOverWrite
whether over write
- wallClockTime
wall clock time
- models
cached models
- state
state table
- parameters
all reduce parameters
- optimMethods
all optim methods
- trainingModel
training model
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- AbstractOptimizer
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def
getModel[T](models: RDD[Cache[T]], parameters: AllReduceParameter[T], trainingModel: Module[T])(implicit arg0: ClassTag[T], ev: TensorNumeric[T]): Module[T]
Fetch current model parameters to driver, and copy to trainingModel.
Fetch current model parameters to driver, and copy to trainingModel.
- models
cached models
- trainingModel
the model is trained by optimizer
- returns
trained model
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def
saveSummary[T](trainSummary: TrainSummary, models: RDD[Cache[T]], driverState: Table, parameters: AllReduceParameter[T], trainingModel: Module[T])(implicit arg0: ClassTag[T], ev: TensorNumeric[T]): Unit
Save train summaries.
Save train summaries.
- trainSummary
train logger
- models
cached models
- driverState
driver state
- parameters
AllReduceParameter
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- AbstractOptimizer
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def
validate[T](validationTrigger: Option[Trigger], validationDataSet: Option[DataSet[MiniBatch[T]]], validationMethods: Option[Array[ValidationMethod[T]]], coresPerNode: Int, models: RDD[Cache[T]], state: Table, validationSummary: Option[ValidationSummary], header: String, parameters: AllReduceParameter[T] = null): Unit
Validate current model and save the result.
Validate current model and save the result.
- validationTrigger
validation trigger
- validationDataSet
validation dataset
- validationMethods
validation methods
- coresPerNode
cores per node
- models
cached models
- state
state table
- validationSummary
validation logger.
- header
log header string
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- protected
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- AbstractOptimizer
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