YAC: src/mci/instance.h File Reference

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#include <mpi.h>
#include "component.h"
#include "couple_config.h"

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Macros
#define	YAC_INSTANCE_CONFIG_OUTPUT_REF_COMP "comp"

#define	YAC_INSTANCE_CONFIG_OUTPUT_REF_SYNC "sync"

#define	YAC_INSTANCE_CONFIG_OUTPUT_REF_ENDDEF "enddef"

Functions
struct yac_instance *	yac_instance_new (MPI_Comm comm)

void	yac_instance_dummy_new (MPI_Comm comm)

void	yac_instance_delete (struct yac_instance *instance)

MPI_Comm	yac_instance_get_comm (struct yac_instance *instance)

void	yac_instance_def_datetime (struct yac_instance instance, const char start_datetime, const char *end_datetime)

char *	yac_instance_get_start_datetime (struct yac_instance *instance)

char *	yac_instance_get_end_datetime (struct yac_instance *instance)

struct yac_couple_config *	yac_instance_get_couple_config (struct yac_instance *instance)

void	yac_instance_set_couple_config (struct yac_instance instance, struct yac_couple_config couple_config)

void	yac_instance_def_components (struct yac_instance instance, char const *comp_names, size_t num_comps)

int	yac_instance_components_are_defined (struct yac_instance *instance)

struct coupling_field *	yac_instance_add_field (struct yac_instance instance, char const field_name, char const comp_name, struct yac_basic_grid grid, struct yac_interp_field interp_fields, size_t num_interp_fields, int collection_size, char const timestep)

void	yac_instance_def_couple (struct yac_instance instance, char const src_comp_name, char const src_grid_name, char const src_field_name, char const tgt_comp_name, char const tgt_grid_name, char const tgt_field_name, char const coupling_period, int time_reduction, struct yac_interp_stack_config interp_stack_config, int src_lag, int tgt_lag, const char weight_file_name, int weight_file_on_existing, int mapping_on_source, double scale_factor, double scale_summand, size_t num_src_mask_names, char const const src_mask_names, char const tgt_mask_name, char const yaxt_exchanger_name, struct yac_collection_selection const *collection_selection, int use_raw_exchange)

void	yac_instance_sync_def (struct yac_instance *instance)

void	yac_instance_sync_def_comps (struct yac_instance instance, char const *comp_names, size_t num_comp_names)

void	yac_instance_setup (struct yac_instance instance, struct yac_basic_grid *grids, size_t num_grids)

char *	yac_instance_setup_and_emit_config (struct yac_instance instance, struct yac_basic_grid *grids, size_t num_grids, int emit_flags)

MPI_Comm	yac_instance_get_comps_comm (struct yac_instance instance, char const *comp_names, size_t num_comp_names)

int	yac_instance_get_nbr_comps (struct yac_instance *instance)

int	yac_instance_get_comp_size (struct yac_instance instance, const char comp_name)

int	yac_instance_get_comp_rank (struct yac_instance instance, const char comp_name)

struct coupling_field *	yac_instance_get_field (struct yac_instance instance, const char comp_name, const char grid_name, const char field_name)

Macro Definition Documentation

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_COMP

#define YAC_INSTANCE_CONFIG_OUTPUT_REF_COMP "comp"

Definition at line 13 of file instance.h.

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_ENDDEF

#define YAC_INSTANCE_CONFIG_OUTPUT_REF_ENDDEF "enddef"

Definition at line 15 of file instance.h.

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_SYNC

#define YAC_INSTANCE_CONFIG_OUTPUT_REF_SYNC "sync"

Definition at line 14 of file instance.h.

Function Documentation

◆ yac_instance_add_field()

struct coupling_field * yac_instance_add_field	(	struct yac_instance *	instance,
		char const *	field_name,
		char const *	comp_name,
		struct yac_basic_grid *	grid,
		struct yac_interp_field *	interp_fields,
		size_t	num_interp_fields,
		int	collection_size,
		char const *	timestep )

Adds a coupling field to a YAC instance

Parameters

[in]	instance	YAC instance
[in]	field_name	name of the coupling field
[in]	comp_name	component name
[in]	grid	grid
[in]	interp_fields	interpolation fields
[in]	num_interp_fields	number of entries in interp_fields
[in]	collection_size	collection size of field
[in]	timestep	timestep at which put/get is called for this field in ISO 8601 format

Returns: pointer to coupling field

Definition at line 1513 of file instance.c.

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◆ yac_instance_components_are_defined()

int yac_instance_components_are_defined ( struct yac_instance * instance )

Returns true if the components for this instance have already been defined

Parameters

[in] instance YAC instance

Definition at line 1508 of file instance.c.

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◆ yac_instance_def_components()

void yac_instance_def_components	(	struct yac_instance *	instance,
		char const **	comp_names,
		size_t	num_comps )

Defines the components for a YAC instance

Parameters

[in]	instance	YAC instance
[in]	comp_names	names of components
[in]	num_comps	number of entries in comp_names

Definition at line 1484 of file instance.c.

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◆ yac_instance_def_couple()

void yac_instance_def_couple	(	struct yac_instance *	instance,
		char const *	src_comp_name,
		char const *	src_grid_name,
		char const *	src_field_name,
		char const *	tgt_comp_name,
		char const *	tgt_grid_name,
		char const *	tgt_field_name,
		char const *	coupling_period,
		int	time_reduction,
		struct yac_interp_stack_config *	interp_stack_config,
		int	src_lag,
		int	tgt_lag,
		const char *	weight_file_name,
		int	weight_file_on_existing,
		int	mapping_on_source,
		double	scale_factor,
		double	scale_summand,
		size_t	num_src_mask_names,
		char const const	src_mask_names,
		char const *	tgt_mask_name,
		char const *	yaxt_exchanger_name,
		struct yac_collection_selection const *	collection_selection,
		int	use_raw_exchange )

Defines a couple for a YAC instance

Parameters

[in]	instance	YAC instance
[in]	src_comp_name	component name of the source component
[in]	src_grid_name	grid name of the source grid
[in]	src_field_name	field name of the source field
[in]	tgt_comp_name	component name of the target component
[in]	tgt_grid_name	grid name of the target grid
[in]	tgt_field_name	field name of the target field
[in]	coupling_period	time step for the coupling
[in]	time_reduction	type for reducing multiple timesteps (

See also: YAC_REDUCTION_TIME_NONE etc.)

Parameters

[in]	interp_stack_config	interpolation stack config to be used
[in]	src_lag	lag for this couple on the source component
[in]	tgt_lag	lag for this couple on the target component
[in]	weight_file_name	file name for the weights file. `NULL` to disable this feature
[in]	weight_file_on_existing	specifies how YAC is supposed to handle the case of an already existing file with the same name
[in]	mapping_on_source	side where the mapping is computed. Currently only source = 1 and target = 0 are allowed
[in]	scale_factor	scale factor
[in]	scale_summand	scale summand
[in]	num_src_mask_names	number of source field mask names ("0" if no source field mask names are provided)
[in]	src_mask_names	array of source field mask names ("NULL" if num_src_mask_names == 0)
[in]	tgt_mask_name	target field mask name ("NULL" if no target field mask name is provided)
[in]	yaxt_exchanger_name	yaxt exchanger method to be used for the interpoolation
[in]	collection_selection	collection selection for this couple
[in]	use_raw_exchange	enables the use of raw exchange (YAC only transfers data required for interpolation to target process, afterwards user has to apply the interpolation himself)

Definition at line 1572 of file instance.c.

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◆ yac_instance_def_datetime()

void yac_instance_def_datetime	(	struct yac_instance *	instance,
		const char *	start_datetime,
		const char *	end_datetime )

Definition of job start and end datetime

Parameters

[in]	instance	YAC instance
[in]	start_datetime	calendar job start datetime
[in]	end_datetime	calendar job end datetime

Definition at line 1466 of file instance.c.

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◆ yac_instance_delete()

void yac_instance_delete ( struct yac_instance * instance )

Destructor for a YAC instance

Parameters

[in] instance YAC instance to be deleted

Definition at line 1427 of file instance.c.

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◆ yac_instance_dummy_new()

void yac_instance_dummy_new ( MPI_Comm comm )

Dummy constructor, which can be called instead of yac_instance_new.

Parameters

[in] comm

Definition at line 1421 of file instance.c.

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◆ yac_instance_get_comm()

MPI_Comm yac_instance_get_comm ( struct yac_instance * instance )

Query routine for the MPI communicator associated with the instance.

Parameters

[in] instance YAC instance

Returns: MPI communicator of the YAC instance

Definition at line 1444 of file instance.c.

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◆ yac_instance_get_comp_rank()

int yac_instance_get_comp_rank	(	struct yac_instance *	instance,
		const char *	comp_name )

Definition at line 1393 of file instance.c.

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◆ yac_instance_get_comp_size()

int yac_instance_get_comp_size	(	struct yac_instance *	instance,
		const char *	comp_name )

Definition at line 1384 of file instance.c.

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◆ yac_instance_get_comps_comm()

MPI_Comm yac_instance_get_comps_comm	(	struct yac_instance *	instance,
		char const **	comp_names,
		size_t	num_comp_names )

returns a communicator containing all processes of the provided components

Parameters

[in]	instance	YAC instance
[in]	comp_names	component names
[in]	num_comp_names

Definition at line 1368 of file instance.c.

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◆ yac_instance_get_couple_config()

struct yac_couple_config * yac_instance_get_couple_config ( struct yac_instance * instance )

Get the coupling configuration data from a YAC instance

Parameters

[in] instance YAC instance

Returns: coupling configuration data

Definition at line 1451 of file instance.c.

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◆ yac_instance_get_end_datetime()

char * yac_instance_get_end_datetime ( struct yac_instance * instance )

query routine for the end datetime of the job

Parameters

[in] instance YAC instance

Returns: end datetime

Definition at line 1479 of file instance.c.

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◆ yac_instance_get_field()

struct coupling_field * yac_instance_get_field	(	struct yac_instance *	instance,
		const char *	comp_name,
		const char *	grid_name,
		const char *	field_name )

Definition at line 1598 of file instance.c.

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◆ yac_instance_get_nbr_comps()

int yac_instance_get_nbr_comps ( struct yac_instance * instance )

Definition at line 1377 of file instance.c.

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◆ yac_instance_get_start_datetime()

char * yac_instance_get_start_datetime ( struct yac_instance * instance )

query routine for the start datetime of the job

Parameters

[in] instance YAC instance

Returns: start datetime

Definition at line 1474 of file instance.c.

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◆ yac_instance_new()

struct yac_instance * yac_instance_new ( MPI_Comm comm )

Constructor for a YAC instance.

Parameters

[in] comm MPI communicator that contains the processes of all components that will be registered with this YAC instance

Returns: YAC instance

Remarks: This is collectiv for all processes in comm.

Definition at line 1402 of file instance.c.

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◆ yac_instance_set_couple_config()

void yac_instance_set_couple_config	(	struct yac_instance *	instance,
		struct yac_couple_config *	couple_config )

Sets the coupling configuration data for a YAC instance

Parameters

[in]	instance	YAC instance
[in]	couple_config	coupling configuration data

Definition at line 1457 of file instance.c.

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◆ yac_instance_setup()

void yac_instance_setup	(	struct yac_instance *	instance,
		struct yac_basic_grid **	grids,
		size_t	num_grids )

initiates the generation of all data structures required for interpolation

Parameters

[in]	instance	YAC instance
[in]	grids	all locally available basic grids
[in]	num_grids	number of locally available basic grids

Definition at line 1332 of file instance.c.

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◆ yac_instance_setup_and_emit_config()

char * yac_instance_setup_and_emit_config	(	struct yac_instance *	instance,
		struct yac_basic_grid **	grids,
		size_t	num_grids,
		int	emit_flags )

initiates the generation of all data structures required for interpolation

Parameters

[in]	instance	YAC instance
[in]	grids	all locally available basic grids
[in]	num_grids	number of locally available basic grids
[in]	emit_flags	flags for configuring the generated coupling configuration output (YAC_YAML_EMITTER_DEFAULT or YAC_YAML_EMITTER_JSON)

Returns: string containing coupling configuration

Definition at line 1356 of file instance.c.

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◆ yac_instance_sync_def()

void yac_instance_sync_def ( struct yac_instance * instance )

synchronizes the grid and field definitions

Parameters

[in] instance YAC instance

Definition at line 1298 of file instance.c.

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◆ yac_instance_sync_def_comps()

void yac_instance_sync_def_comps	(	struct yac_instance *	instance,
		char const **	comp_names,
		size_t	num_comp_names )

synchronizes the grid and field definitions for provided components

Parameters

[in]	instance	YAC instance
[in]	comp_names	component names
[in]	num_comp_names	number of entries in comp_names

Remarks: The local process should have defined at least one of the components listed in comp_names.; This operation operation is collective for all processes in the provided instance that defined at least one component in comp_names.

Definition at line 1308 of file instance.c.

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Macros

Functions

Macro Definition Documentation

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_COMP

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_ENDDEF

◆ YAC_INSTANCE_CONFIG_OUTPUT_REF_SYNC

Function Documentation

◆ yac_instance_add_field()

◆ yac_instance_components_are_defined()

◆ yac_instance_def_components()

◆ yac_instance_def_couple()

◆ yac_instance_def_datetime()

◆ yac_instance_delete()

◆ yac_instance_dummy_new()

◆ yac_instance_get_comm()

◆ yac_instance_get_comp_rank()

◆ yac_instance_get_comp_size()

◆ yac_instance_get_comps_comm()

◆ yac_instance_get_couple_config()

◆ yac_instance_get_end_datetime()

◆ yac_instance_get_field()

◆ yac_instance_get_nbr_comps()

◆ yac_instance_get_start_datetime()

◆ yac_instance_new()

◆ yac_instance_set_couple_config()

◆ yac_instance_setup()

◆ yac_instance_setup_and_emit_config()

◆ yac_instance_sync_def()

◆ yac_instance_sync_def_comps()