Derived class within the interface class hierarchy for supporting field-based approximations to simulation-based results. More...

Inheritance diagram for ApproximationFieldInterface:

Public Member Functions
	ApproximationFieldInterface (ProblemDescDB &problem_db, const Variables &am_vars, bool am_cache, const String &am_interface_id, const Response &resp)
	primary constructor

	~ApproximationFieldInterface ()
	alternate constructor for instantiations on the fly More...

Public Member Functions inherited from ApproximationInterface
	ApproximationInterface (ProblemDescDB &problem_db, const Variables &am_vars, bool am_cache, const String &am_interface_id, const StringArray &fn_labels)
	primary constructor

	ApproximationInterface (const String &approx_type, const UShortArray &approx_order, const Variables &am_vars, bool am_cache, const String &am_interface_id, size_t num_fns, short data_order, short output_level)
	alternate constructor for instantiations on the fly

	~ApproximationInterface () override
	destructor

Public Member Functions inherited from Interface
	Interface (const Interface &interface_in)
	copy constructor More...

virtual	~Interface ()
	destructor

Interface	operator= (const Interface &interface_in)
	assignment operator

virtual void	serve_evaluations ()
	evaluation server function for multiprocessor executions

virtual void	stop_evaluation_servers ()
	send messages from iterator rank 0 to terminate evaluation servers

virtual void	init_communicators (const IntArray &message_lengths, int max_eval_concurrency)
	allocate communicator partitions for concurrent evaluations within an iterator and concurrent multiprocessor analyses within an evaluation.

virtual void	set_communicators (const IntArray &message_lengths, int max_eval_concurrency)
	set the local parallel partition data for an interface (the partitions are already allocated in ParallelLibrary).

virtual void	init_serial ()
	reset certain defaults for serial interface objects.

virtual int	asynch_local_evaluation_concurrency () const
	return the user-specified concurrency for asynch local evaluations

virtual short	interface_synchronization () const
	return the user-specified interface synchronization

virtual RealArray	challenge_diagnostics (const String &metric_type, const RealMatrix &challenge_pts)
	approximation challenge data metrics per response function

virtual const StringArray &	analysis_drivers () const
	retrieve the analysis drivers specification for application interfaces

virtual const String2DArray &	analysis_components () const
	retrieve the analysis components, if available

virtual bool	evaluation_cache () const
	return flag indicating usage of the global evaluation cache

virtual bool	restart_file () const
	return flag indicating usage of the restart file

virtual void	file_cleanup () const
	clean up any interface parameter/response files when aborting

IntResponseMap &	response_map ()
	return rawResponseMap

void	cache_unmatched_response (int raw_id)
	migrate an unmatched response record from rawResponseMap to cachedResponseMap

void	cache_unmatched_responses ()
	migrate all remaining response records from rawResponseMap to cachedResponseMap

unsigned short	interface_type () const
	returns the interface type

const String &	interface_id () const
	returns the interface identifier

int	evaluation_id () const
	returns the value of the (total) evaluation id counter for the interface

void	fine_grained_evaluation_counters (size_t num_fns)
	set fineGrainEvalCounters to true and initialize counters if needed

void	init_evaluation_counters (size_t num_fns)
	initialize fine grained evaluation counters, sizing if needed

void	set_evaluation_reference ()
	set evaluation count reference points for the interface

void	print_evaluation_summary (std::ostream &s, bool minimal_header, bool relative_count) const
	print an evaluation summary for the interface

bool	multi_proc_eval () const
	returns a flag signaling the use of multiprocessor evaluation partitions

bool	iterator_eval_dedicated_scheduler () const
	returns a flag signaling the use of a dedicated scheduler processor at the iterator-evaluation scheduling level

void	eval_tag_prefix (const String &eval_id_str, bool append_iface_id=true)
	set the evaluation tag prefix (does not recurse) More...

Protected Member Functions
Approximation &	function_surface (size_t) override
	return reference to specified approximation

const Approximation &	function_surface (size_t) const override

int	field_component (size_t fn_index) const override
	return surface field component for resppnse index

size_t	num_function_surfaces () const override

Protected Member Functions inherited from ApproximationInterface
void	map (const Variables &vars, const ActiveSet &set, Response &response, bool asynch_flag=false) override
	the function evaluator: provides an approximate "mapping" from the variables to the responses using functionSurfaces

int	minimum_points (bool constraint_flag) const override
	returns the minimum number of samples required to build the functionSurfaces

int	recommended_points (bool constraint_flag) const override
	returns the recommended number of samples recommended to build the functionSurfaces

void	active_model_key (const Pecos::ActiveKey &key) override
	activate an approximation state based on its key

void	clear_model_keys () override
	reset initial state by removing all model keys for an approximation

void	approximation_function_indices (const SizetSet &approx_fn_indices) override
	set the (currently active) approximation function index set

void	update_approximation (const Variables &vars, const IntResponsePair &response_pr) override

void	update_approximation (const RealMatrix &samples, const IntResponseMap &resp_map) override

void	update_approximation (const VariablesArray &vars_array, const IntResponseMap &resp_map) override

void	append_approximation (const Variables &vars, const IntResponsePair &response_pr) override

void	append_approximation (const RealMatrix &samples, const IntResponseMap &resp_map) override

void	append_approximation (const VariablesArray &vars_array, const IntResponseMap &resp_map) override

void	append_approximation (const IntVariablesMap &vars_map, const IntResponseMap &resp_map) override

void	replace_approximation (const IntResponsePair &response_pr) override
	replace the response for a single point within an existing approximation

void	replace_approximation (const IntResponseMap &resp_map) override
	replace responses for multiple points within an existing approximation

void	track_evaluation_ids (bool track) override
	assigns trackEvalIds to activate tracking of evaluation ids within surrogate data, enabling id-based lookups for data replacement

void	build_approximation (const RealVector &c_l_bnds, const RealVector &c_u_bnds, const IntVector &di_l_bnds, const IntVector &di_u_bnds, const RealVector &dr_l_bnds, const RealVector &dr_u_bnds) override

void	export_approximation () override

void	rebuild_approximation (const BitArray &rebuild_fns) override

void	pop_approximation (bool save_data) override

void	push_approximation () override

bool	push_available () override
	queries the approximation for the ability to retrieve a previous increment

void	finalize_approximation () override
	finalizes the approximation by applying all trial increments

void	combine_approximation () override
	combine the current approximation with previously stored data sets

void	combined_to_active (bool clear_combined=true) override
	promote the combined approximation to the currently active one

void	clear_inactive () override
	clear inactive approximation data

void	clear_current_active_data () override
	clears current data from an approximation interface

void	clear_active_data () override
	clears all data from an approximation interface

SharedApproxData &	shared_approximation () override
	retrieve the SharedApproxData within an ApproximationInterface

const SizetSet &	approximation_fn_indices () const

std::vector< Approximation > &	approximations () override
	retrieve the Approximations within an ApproximationInterface

const Pecos::SurrogateData &	approximation_data (size_t fn_index) override
	retrieve the approximation data from a particular Approximation within an ApproximationInterface

const RealVectorArray &	approximation_coefficients (bool normalized=false) override
	retrieve the approximation coefficients from each Approximation within an ApproximationInterface

void	approximation_coefficients (const RealVectorArray &approx_coeffs, bool normalized=false) override
	set the approximation coefficients within each Approximation within an ApproximationInterface

const RealVector &	approximation_variances (const Variables &vars) override
	retrieve the approximation variances from each Approximation within an ApproximationInterface

void	discrepancy_emulation_mode (short mode) override
	set discrepancy emulation mode used for approximating response differences

bool	formulation_updated () const override
	query for change in approximation formulation

void	formulation_updated (bool update) override
	assign an updated status for approximation formulation to force rebuild

bool	advancement_available () override
	query for available advancements in approximation resolution controls

Real2DArray	cv_diagnostics (const StringArray &metrics, unsigned num_folds) override
	approximation cross-validation quality metrics per response function

Real2DArray	challenge_diagnostics (const StringArray &metric_types, const RealMatrix &challenge_pts, const RealVector &challenge_resps)

const IntResponseMap &	synchronize () override
	recovers data from a series of asynchronous evaluations (blocking)

const IntResponseMap &	synchronize_nowait () override
	recovers data from a series of asynchronous evaluations (nonblocking)

Protected Member Functions inherited from Interface
	Interface (const ProblemDescDB &problem_db)
	constructor initializes the base class configuration More...

	Interface (size_t num_fns, short output_level)
	constructor initializes the base class configuration for on the fly instantiations without a DB)

void	init_algebraic_mappings (const Variables &vars, const Response &response)
	Define algebraicACVIndices, algebraicACVIds, and algebraicFnIndices.

void	asv_mapping (const ActiveSet &total_set, ActiveSet &algebraic_set, ActiveSet &core_set)
	define the evaluation requirements for algebraic_mappings() (algebraic_set) and the core Application/Approximation mapping (core_set) from the total Interface evaluation requirements (total_set)

void	asv_mapping (const ActiveSet &algebraic_set, ActiveSet &total_set)
	map an algebraic ASV back to original total ordering for asynch recovery

void	algebraic_mappings (const Variables &vars, const ActiveSet &algebraic_set, Response &algebraic_response)
	evaluate the algebraic_response using the AMPL solver library and the data extracted from the algebraic_mappings file

void	response_mapping (const Response &algebraic_response, const Response &core_response, Response &total_response)
	combine the response from algebraic_mappings() with the response from derived_map() to create the total response More...

virtual String	final_eval_id_tag (int fn_eval_id)
	form and return the final evaluation ID tag, appending iface ID if needed

Protected Attributes
int	numFields

int	numScalars

int	numSurfaces

int	activeSurface

int	activeComponent

std::map< int, int >	fn2SurfaceIdMap

std::map< int, int >	fn2SurfaceComponentMap

std::vector< std::vector< int > >	fieldFnIndices

Protected Attributes inherited from ApproximationInterface
std::vector< Approximation >	functionSurfaces
	list of approximations, one per response function More...

Protected Attributes inherited from Interface
unsigned short	interfaceType
	the interface type: enum for system, fork, direct, grid, or approximation

String	interfaceId
	the interface specification identifier string from the DAKOTA input file

bool	algebraicMappings
	flag for the presence of algebraic_mappings that define the subset of an Interface's parameter to response mapping that is explicit and algebraic.

bool	coreMappings
	flag for the presence of non-algebraic mappings that define the core of an Interface's parameter to response mapping (using analysis_drivers for ApplicationInterface or functionSurfaces for ApproximationInterface).

short	outputLevel
	output verbosity level: {SILENT,QUIET,NORMAL,VERBOSE,DEBUG}_OUTPUT

int	currEvalId
	identifier for the current evaluation, which may differ from the evaluation counters in the case of evaluation scheduling; used on iterator scheduler as well as server processors. Currently, this is set prior to all invocations of derived_map() for all processors.

bool	fineGrainEvalCounters
	controls use of fn val/grad/hess counters for detailed evaluation report

int	evalIdCntr
	total interface evaluation counter

int	newEvalIdCntr
	new (non-duplicate) interface evaluation counter

int	evalIdRefPt
	iteration reference point for evalIdCntr

int	newEvalIdRefPt
	iteration reference point for newEvalIdCntr

IntArray	fnValCounter
	number of value evaluations by resp fn

IntArray	fnGradCounter
	number of gradient evaluations by resp fn

IntArray	fnHessCounter
	number of Hessian evaluations by resp fn

IntArray	newFnValCounter
	number of new value evaluations by resp fn

IntArray	newFnGradCounter
	number of new gradient evaluations by resp fn

IntArray	newFnHessCounter
	number of new Hessian evaluations by resp fn

IntArray	fnValRefPt
	iteration reference point for fnValCounter

IntArray	fnGradRefPt
	iteration reference point for fnGradCounter

IntArray	fnHessRefPt
	iteration reference point for fnHessCounter

IntArray	newFnValRefPt
	iteration reference point for newFnValCounter

IntArray	newFnGradRefPt
	iteration reference point for newFnGradCounter

IntArray	newFnHessRefPt
	iteration reference point for newFnHessCounter

IntResponseMap	rawResponseMap
	Set of responses returned by either a blocking or nonblocking schedule. More...

IntResponseMap	cachedResponseMap
	Set of available asynchronous responses completed within a blocking or nonblocking scheduler that cannot be processed in a higher level context and need to be stored for later.

StringArray	fnLabels
	response function descriptors (used in print_evaluation_summary() and derived direct interface classes); initialized in map() functions due to potential updates after construction

bool	multiProcEvalFlag
	flag for multiprocessor evaluation partitions (evalComm)

bool	ieDedSchedFlag
	flag for dedicated scheduler partitioning at the iterator level

String	evalTagPrefix
	set of period-delimited evaluation ID tags to use in evaluation tagging

bool	appendIfaceId
	whether to append the interface ID to the prefix during map (default true)

String2DArray	analysisComponents
	Analysis components for interface types that support them.

Detailed Description

Derived class within the interface class hierarchy for supporting field-based approximations to simulation-based results.

Constructor & Destructor Documentation

◆ ~ApproximationFieldInterface()

~ApproximationFieldInterface ( )

inline

alternate constructor for instantiations on the fly

destructor

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

ApproximationFieldInterface.hpp
ApproximationFieldInterface.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ ~ApproximationFieldInterface()