#include <check_nan.hpp>

Inheritance diagram for lbann::callback::check_nan:

Collaboration diagram for lbann::callback::check_nan:

Public Member Functions
	check_nan ()=default

	check_nan (const check_nan &)=default

check_nan &	operator= (const check_nan &)=default

check_nan *	copy () const override

void	on_forward_prop_end (model m, Layer l) override

void	on_backward_prop_end (model m, Layer l) override

void	on_backward_prop_end (model *m) override

void	on_batch_end (model *m) override

std::string	name () const override
	Return this callback's name. More...

Serialization
template<class Archive >
void	serialize (Archive &ar)
	Store state to archive for checkpoint and restart. More...

Public Member Functions inherited from lbann::callback_base
	callback_base (int batch_interval=1)
	Initialize a callback with an optional batch interval. More...

	callback_base (const callback_base &)=default

virtual	~callback_base ()=default

virtual void	setup (trainer *t)
	Called once to set up the callback on the trainer. More...

virtual void	setup (model *m)
	Called once to set up the callback on the model (after all layers are set up). More...

virtual void	on_setup_end (model *m)
	Called at the end of setup. More...

virtual void	on_train_begin (model *m)
	Called at the beginning of training. More...

virtual void	on_train_end (model *m)
	Called at the end of training. More...

virtual void	on_phase_end (model *m)
	Called at the end of every phase (multiple epochs) in a layer-wise model training. More...

virtual void	on_epoch_begin (model *m)
	Called at the beginning of each epoch. More...

virtual void	on_epoch_end (model *m)
	Called immediate after the end of each epoch. More...

virtual void	on_batch_begin (model *m)
	Called at the beginning of a (mini-)batch. More...

virtual void	on_test_begin (model *m)
	Called at the beginning of testing. More...

virtual void	on_test_end (model *m)
	Called immediately after the end of testing. More...

virtual void	on_validation_begin (model *m)
	Called at the beginning of validation. More...

virtual void	on_validation_end (model *m)
	Called immediately after the end of validation. More...

virtual void	on_forward_prop_begin (model *m)
	Called when a model begins forward propagation. More...

virtual void	on_forward_prop_begin (model m, Layer l)
	Called when a layer begins forward propagation. More...

virtual void	on_forward_prop_end (model *m)
	Called when a model ends forward propagation. More...

virtual void	on_backward_prop_begin (model *m)
	Called when a model begins backward propagation. More...

virtual void	on_backward_prop_begin (model m, Layer l)
	Called when a layer begins backward propagation. More...

virtual void	on_optimize_begin (model *m)
	Called when a model begins optimization. More...

virtual void	on_optimize_begin (model m, weights w)
	Called when weights begins optimization. More...

virtual void	on_optimize_end (model *m)
	Called when a model ends optimization. More...

virtual void	on_optimize_end (model m, weights w)
	Called when weights ends optimization. More...

virtual void	on_batch_evaluate_begin (model *m)
	Called at the beginning of a (mini-)batch evaluation (validation / testing). More...

virtual void	on_batch_evaluate_end (model *m)
	Called at the end of a (mini-)batch evaluation (validation / testing). More...

virtual void	on_evaluate_forward_prop_begin (model *m)
	Called when a model begins forward propagation for evaluation (validation / testing). More...

virtual void	on_evaluate_forward_prop_begin (model m, Layer l)
	Called when a layer begins forward propagation for evaluation (validation / testing). More...

virtual void	on_evaluate_forward_prop_end (model *m)
	Called when a model ends forward propagation for evaluation (validation / testing). More...

virtual void	on_evaluate_forward_prop_end (model m, Layer l)
	Called when a layer ends forward propagation for evaluation (validation / testing). More...

int	get_batch_interval () const
	Return the batch interval. More...

virtual description	get_description () const
	Human-readable description. More...

template<class Archive >
void	serialize (Archive &ar)
	Store state to archive for checkpoint and restart. More...

void	write_proto (lbann_data::Callback &proto) const
	Write a protobuf description of the callback. More...

Private Member Functions
void	write_specific_proto (lbann_data::Callback &proto) const final

Additional Inherited Members
Protected Member Functions inherited from lbann::callback_base
std::string	get_multi_trainer_path (const model &m, const std::string &root_dir)
	Build a standard directory hierarchy including trainer ID. More...

std::string	get_multi_trainer_ec_model_path (const model &m, const std::string &root_dir)
	Build a standard directory hierachy including trainer, execution context, and model information (in that order). More...

std::string	get_multi_trainer_model_path (const model &m, const std::string &root_dir)
	Build a standard directory hierachy including trainer, model information in that order. More...

callback_base &	operator= (const callback_base &)=default
	Copy-assignment operator. More...

Protected Attributes inherited from lbann::callback_base
int	m_batch_interval
	Batch methods should once every this many steps. More...

Detailed Description

Check matrices for whether they include any NaNs or infs to help debugging. This will kill the rank if such values are discovered.

Definition at line 41 of file check_nan.hpp.

Constructor & Destructor Documentation

◆ check_nan() [1/2]

lbann::callback::check_nan::check_nan ( )

default

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◆ check_nan() [2/2]

lbann::callback::check_nan::check_nan ( const check_nan & )

default

Member Function Documentation

◆ copy()

check_nan* lbann::callback::check_nan::copy ( ) const

inlineoverridevirtual

Implements lbann::callback_base.

Definition at line 50 of file check_nan.hpp.

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◆ name()

std::string lbann::callback::check_nan::name ( ) const

inlineoverridevirtual

Return this callback's name.

Implements lbann::callback_base.

Definition at line 59 of file check_nan.hpp.

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◆ on_backward_prop_end() [1/2]

void lbann::callback::check_nan::on_backward_prop_end	(	model *	m,
		Layer *	l
	)

overridevirtual

Check that error signals are good.

Reimplemented from lbann::callback_base.

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◆ on_backward_prop_end() [2/2]

void lbann::callback::check_nan::on_backward_prop_end ( model * m )

overridevirtual

Check that gradients are good.

Reimplemented from lbann::callback_base.

◆ on_batch_end()

void lbann::callback::check_nan::on_batch_end ( model * m )

overridevirtual

Check that weights are good.

Reimplemented from lbann::callback_base.

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◆ on_forward_prop_end()

void lbann::callback::check_nan::on_forward_prop_end	(	model *	m,
		Layer *	l
	)

overridevirtual

Check that activations are good.

Reimplemented from lbann::callback_base.

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◆ operator=()

check_nan& lbann::callback::check_nan::operator= ( const check_nan & )

default

◆ serialize()

template<class Archive >

void lbann::callback::check_nan::serialize ( Archive & ar )

Store state to archive for checkpoint and restart.

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◆ write_specific_proto()

void lbann::callback::check_nan::write_specific_proto ( lbann_data::Callback & proto ) const

finalprivatevirtual

Add callback specific data to prototext

Implements lbann::callback_base.

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The documentation for this class was generated from the following file:

check_nan.hpp

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ check_nan() [1/2]

◆ check_nan() [2/2]

Member Function Documentation

◆ copy()

◆ name()

◆ on_backward_prop_end() [1/2]

◆ on_backward_prop_end() [2/2]

◆ on_batch_end()

◆ on_forward_prop_end()

◆ operator=()

◆ serialize()

◆ write_specific_proto()